diff --git a/.rubocop.yml b/.rubocop.yml
index d41f61ee6..a2a787cc2 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -146,4 +146,7 @@ RSpec/NamedSubject:
 
 RSpec/NestedGroups:
   Enabled: true
-  Max: 4
\ No newline at end of file
+  Max: 4
+
+RSpec/NotToNot:
+  Enabled: true
\ No newline at end of file
diff --git a/spec/controllers/admin/api/stats_controller_spec.rb b/spec/controllers/admin/api/stats_controller_spec.rb
index 99e1be4f9..97ad5d0be 100644
--- a/spec/controllers/admin/api/stats_controller_spec.rb
+++ b/spec/controllers/admin/api/stats_controller_spec.rb
@@ -10,7 +10,7 @@ describe Admin::Api::StatsController do
         sign_in user
         get :show
 
-        expect(response).to_not be_ok
+        expect(response).not_to be_ok
         expect(response.status).to eq 400
       end
     end
diff --git a/spec/controllers/comments_controller_spec.rb b/spec/controllers/comments_controller_spec.rb
index 946ef68dc..047e76e85 100644
--- a/spec/controllers/comments_controller_spec.rb
+++ b/spec/controllers/comments_controller_spec.rb
@@ -24,7 +24,7 @@ describe CommentsController do
 
       expect do
         xhr :post, :create, comment: {commentable_id: @question.id, commentable_type: "Legislation::Question", body: "a comment"}
-      end.to_not change { @question.reload.comments_count }
+      end.not_to change { @question.reload.comments_count }
     end
 
     it 'does not create a comment for unverified users when the commentable requires it' do
@@ -32,7 +32,7 @@ describe CommentsController do
 
       expect do
         xhr :post, :create, comment: {commentable_id: @question.id, commentable_type: "Legislation::Question", body: "a comment"}
-      end.to_not change { @question.reload.comments_count }
+      end.not_to change { @question.reload.comments_count }
     end
   end
 end
diff --git a/spec/controllers/debates_controller_spec.rb b/spec/controllers/debates_controller_spec.rb
index a48f09396..64d1fa597 100644
--- a/spec/controllers/debates_controller_spec.rb
+++ b/spec/controllers/debates_controller_spec.rb
@@ -43,7 +43,7 @@ describe DebatesController do
 
       expect do
         xhr :post, :vote, id: debate.id, value: 'yes'
-      end.to_not change { debate.reload.votes_for.size }
+      end.not_to change { debate.reload.votes_for.size }
     end
   end
 end
diff --git a/spec/controllers/legislation/annotations_controller_spec.rb b/spec/controllers/legislation/annotations_controller_spec.rb
index c95833076..80335a209 100644
--- a/spec/controllers/legislation/annotations_controller_spec.rb
+++ b/spec/controllers/legislation/annotations_controller_spec.rb
@@ -64,7 +64,7 @@ describe Legislation::AnnotationsController do
                         "ranges" => [{"start" => "/p[1]", "startOffset" => 6, "end" => "/p[1]", "endOffset" => 11}],
                         "text": "una anotacion"
                       }
-      end.to_not change { @draft_version.annotations.count }
+      end.not_to change { @draft_version.annotations.count }
     end
 
     it 'creates an annotation by parsing parameters in JSON' do
@@ -95,7 +95,7 @@ describe Legislation::AnnotationsController do
                         "ranges" => [{"start" => "/p[1]", "startOffset" => 6, "end" => "/p[1]", "endOffset" => 11}],
                         "text": "una anotacion"
                       }
-      end.to_not change { @draft_version.annotations.count }
+      end.not_to change { @draft_version.annotations.count }
 
       expect(annotation.reload.comments_count).to eq(2)
       expect(annotation.comments.last.body).to eq("una anotacion")
diff --git a/spec/controllers/legislation/answers_controller_spec.rb b/spec/controllers/legislation/answers_controller_spec.rb
index aab57fbbe..466a90eb8 100644
--- a/spec/controllers/legislation/answers_controller_spec.rb
+++ b/spec/controllers/legislation/answers_controller_spec.rb
@@ -35,7 +35,7 @@ describe Legislation::AnswersController do
       expect do
         xhr :post, :create, process_id: @process.id, question_id: @question.id,
                             legislation_answer: { legislation_question_option_id: @question_option.id }
-      end.to_not change { @question.reload.answers_count }
+      end.not_to change { @question.reload.answers_count }
     end
   end
 end
diff --git a/spec/features/account_spec.rb b/spec/features/account_spec.rb
index 67dfd6e5f..469ec6b70 100644
--- a/spec/features/account_spec.rb
+++ b/spec/features/account_spec.rb
@@ -24,7 +24,7 @@ feature 'Account' do
     visit account_path
 
     expect(page).to have_selector("input[value='Manuela Corp']")
-    expect(page).to_not have_selector("input[value='Manuela Colau']")
+    expect(page).not_to have_selector("input[value='Manuela Colau']")
 
     expect(page).to have_selector(avatar('Manuela Corp'), count: 1)
   end
@@ -46,8 +46,8 @@ feature 'Account' do
     expect(page).to have_selector("input[value='Larry Bird']")
     expect(find("#account_email_on_comment")).to be_checked
     expect(find("#account_email_on_comment_reply")).to be_checked
-    expect(find("#account_email_digest")).to_not be_checked
-    expect(find("#account_email_on_direct_message")).to_not be_checked
+    expect(find("#account_email_digest")).not_to be_checked
+    expect(find("#account_email_on_direct_message")).not_to be_checked
   end
 
   scenario 'Edit Organization' do
@@ -92,12 +92,12 @@ feature 'Account' do
       login_as(official_user2)
       visit account_path
 
-      expect(page).to_not have_css '#account_official_position_badge'
+      expect(page).not_to have_css '#account_official_position_badge'
 
       login_as(official_user3)
       visit account_path
 
-      expect(page).to_not have_css '#account_official_position_badge'
+      expect(page).not_to have_css '#account_official_position_badge'
     end
 
   end
diff --git a/spec/features/admin/activity_spec.rb b/spec/features/admin/activity_spec.rb
index 9a1f8aaf8..3020d2520 100644
--- a/spec/features/admin/activity_spec.rb
+++ b/spec/features/admin/activity_spec.rb
@@ -46,7 +46,7 @@ feature 'Admin activity' do
       visit admin_activity_path
 
       expect(page).to have_content(proposal1.title)
-      expect(page).to_not have_content(proposal2.title)
+      expect(page).not_to have_content(proposal2.title)
       expect(page).to have_content(proposal3.title)
     end
 
@@ -108,7 +108,7 @@ feature 'Admin activity' do
       visit admin_activity_path
 
       expect(page).to have_content(debate1.title)
-      expect(page).to_not have_content(debate2.title)
+      expect(page).not_to have_content(debate2.title)
       expect(page).to have_content(debate3.title)
     end
 
@@ -171,7 +171,7 @@ feature 'Admin activity' do
       visit admin_activity_path
 
       expect(page).to have_content(comment1.body)
-      expect(page).to_not have_content(comment2.body)
+      expect(page).not_to have_content(comment2.body)
       expect(page).to have_content(comment3.body)
     end
 
@@ -256,7 +256,7 @@ feature 'Admin activity' do
       expect(page).to have_content(proposal1.author.email)
       expect(page).to have_content(proposal3.author.username)
       expect(page).to have_content(proposal3.author.email)
-      expect(page).to_not have_content(proposal2.author.username)
+      expect(page).not_to have_content(proposal2.author.username)
     end
 
     scenario "Shows moderation activity from debates moderation screen" do
@@ -282,7 +282,7 @@ feature 'Admin activity' do
       expect(page).to have_content(debate1.author.email)
       expect(page).to have_content(debate3.author.username)
       expect(page).to have_content(debate3.author.email)
-      expect(page).to_not have_content(debate2.author.username)
+      expect(page).not_to have_content(debate2.author.username)
     end
 
     scenario "Shows moderation activity from comments moderation screen" do
@@ -308,7 +308,7 @@ feature 'Admin activity' do
       expect(page).to have_content(comment1.author.email)
       expect(page).to have_content(comment3.author.username)
       expect(page).to have_content(comment3.author.email)
-      expect(page).to_not have_content(comment2.author.username)
+      expect(page).not_to have_content(comment2.author.username)
     end
 
     scenario "Shows admin restores" do
diff --git a/spec/features/admin/administrators_spec.rb b/spec/features/admin/administrators_spec.rb
index c39d5ade5..d775aaa74 100644
--- a/spec/features/admin/administrators_spec.rb
+++ b/spec/features/admin/administrators_spec.rb
@@ -12,7 +12,7 @@ feature 'Admin administrators' do
   scenario 'Index' do
     expect(page).to have_content @administrator.name
     expect(page).to have_content @administrator.email
-    expect(page).to_not have_content @user.name
+    expect(page).not_to have_content @user.name
   end
 
   scenario 'Create Administrator', :js do
@@ -30,7 +30,7 @@ feature 'Admin administrators' do
     find(:xpath, "//tr[contains(.,'#{@administrator.name}')]/td/a", text: 'Delete').click
 
     within("#administrators") do
-      expect(page).to_not have_content @administrator.name
+      expect(page).not_to have_content @administrator.name
     end
   end
 
@@ -61,8 +61,8 @@ feature 'Admin administrators' do
 
       expect(page).to have_content('Administrators: User search')
       expect(page).to have_content('No results found')
-      expect(page).to_not have_content(@administrator1.name)
-      expect(page).to_not have_content(@administrator2.name)
+      expect(page).not_to have_content(@administrator1.name)
+      expect(page).not_to have_content(@administrator2.name)
     end
 
     scenario 'search by name' do
@@ -74,7 +74,7 @@ feature 'Admin administrators' do
 
       expect(page).to have_content('Administrators: User search')
       expect(page).to have_content(@administrator1.name)
-      expect(page).to_not have_content(@administrator2.name)
+      expect(page).not_to have_content(@administrator2.name)
     end
 
     scenario 'search by email' do
@@ -86,7 +86,7 @@ feature 'Admin administrators' do
 
       expect(page).to have_content('Administrators: User search')
       expect(page).to have_content(@administrator2.email)
-      expect(page).to_not have_content(@administrator1.email)
+      expect(page).not_to have_content(@administrator1.email)
     end
   end
 
diff --git a/spec/features/admin/banners_spec.rb b/spec/features/admin/banners_spec.rb
index 28a105bed..70e1469d3 100644
--- a/spec/features/admin/banners_spec.rb
+++ b/spec/features/admin/banners_spec.rb
@@ -136,8 +136,8 @@ feature 'Admin banners magement' do
     expect(page).to have_content 'Modified title'
     expect(page).to have_content 'Edited text'
 
-    expect(page).to_not have_content 'Hello'
-    expect(page).to_not have_content 'Wrong text'
+    expect(page).not_to have_content 'Hello'
+    expect(page).not_to have_content 'Wrong text'
   end
 
   scenario 'Delete a banner' do
@@ -160,7 +160,7 @@ feature 'Admin banners magement' do
     click_link "Delete banner"
 
     visit admin_root_path
-    expect(page).to_not have_content 'Ugly banner'
+    expect(page).not_to have_content 'Ugly banner'
   end
 
 end
diff --git a/spec/features/admin/budget_investment_milestones_spec.rb b/spec/features/admin/budget_investment_milestones_spec.rb
index f3de2157e..4221d5647 100644
--- a/spec/features/admin/budget_investment_milestones_spec.rb
+++ b/spec/features/admin/budget_investment_milestones_spec.rb
@@ -98,7 +98,7 @@ feature 'Admin budget investment milestones' do
 
       click_link "Delete milestone"
 
-      expect(page).to_not have_content 'Title will it remove'
+      expect(page).not_to have_content 'Title will it remove'
     end
   end
 
diff --git a/spec/features/admin/budget_investments_spec.rb b/spec/features/admin/budget_investments_spec.rb
index 1ad89e6aa..6556cec7c 100644
--- a/spec/features/admin/budget_investments_spec.rb
+++ b/spec/features/admin/budget_investments_spec.rb
@@ -88,8 +88,8 @@ feature 'Admin budget investments' do
 
       select "Parks: Central Park", from: "heading_id"
 
-      expect(page).to_not have_link("Realocate visitors")
-      expect(page).to_not have_link("Change name")
+      expect(page).not_to have_link("Realocate visitors")
+      expect(page).not_to have_link("Change name")
       expect(page).to have_link("Plant trees")
 
       select "All headings", from: "heading_id"
@@ -101,14 +101,14 @@ feature 'Admin budget investments' do
       select "Streets: Main Avenue", from: "heading_id"
 
       expect(page).to have_link("Realocate visitors")
-      expect(page).to_not have_link("Change name")
-      expect(page).to_not have_link("Plant trees")
+      expect(page).not_to have_link("Change name")
+      expect(page).not_to have_link("Plant trees")
 
       select "Streets: Mercy Street", from: "heading_id"
 
-      expect(page).to_not have_link("Realocate visitors")
+      expect(page).not_to have_link("Realocate visitors")
       expect(page).to have_link("Change name")
-      expect(page).to_not have_link("Plant trees")
+      expect(page).not_to have_link("Plant trees")
     end
 
     scenario "Filtering by admin", :js do
@@ -125,7 +125,7 @@ feature 'Admin budget investments' do
       select "Admin 1", from: "administrator_id"
 
       expect(page).to have_content('There is 1 investment')
-      expect(page).to_not have_link("Destroy the city")
+      expect(page).not_to have_link("Destroy the city")
       expect(page).to have_link("Realocate visitors")
 
       select "All administrators", from: "administrator_id"
@@ -136,7 +136,7 @@ feature 'Admin budget investments' do
 
       select "Admin 1", from: "administrator_id"
       expect(page).to have_content('There is 1 investment')
-      expect(page).to_not have_link("Destroy the city")
+      expect(page).not_to have_link("Destroy the city")
       expect(page).to have_link("Realocate visitors")
     end
 
@@ -156,7 +156,7 @@ feature 'Admin budget investments' do
       select "Valuator 1", from: "valuator_id"
 
       expect(page).to have_content('There is 1 investment')
-      expect(page).to_not have_link("Destroy the city")
+      expect(page).not_to have_link("Destroy the city")
       expect(page).to have_link("Realocate visitors")
 
       select "All valuators", from: "valuator_id"
@@ -167,7 +167,7 @@ feature 'Admin budget investments' do
 
       select "Valuator 1", from: "valuator_id"
       expect(page).to have_content('There is 1 investment')
-      expect(page).to_not have_link("Destroy the city")
+      expect(page).not_to have_link("Destroy the city")
       expect(page).to have_link("Realocate visitors")
     end
 
@@ -181,13 +181,13 @@ feature 'Admin budget investments' do
 
       visit admin_budget_budget_investments_path(budget_id: @budget.id)
 
-      expect(page).to_not have_link(filters_links.values.first)
+      expect(page).not_to have_link(filters_links.values.first)
       filters_links.keys.drop(1).each { |filter| expect(page).to have_link(filters_links[filter]) }
 
       filters_links.each_pair do |current_filter, link|
         visit admin_budget_budget_investments_path(budget_id: @budget.id, filter: current_filter)
 
-        expect(page).to_not have_link(link)
+        expect(page).not_to have_link(link)
 
         (filters_links.keys - [current_filter]).each do |filter|
           expect(page).to have_link(filters_links[filter])
@@ -208,12 +208,12 @@ feature 'Admin budget investments' do
       visit admin_budget_budget_investments_path(budget_id: @budget.id, filter: 'without_admin')
 
       expect(page).to have_content("Evaluating...")
-      expect(page).to_not have_content("Assigned idea")
+      expect(page).not_to have_content("Assigned idea")
 
       visit admin_budget_budget_investments_path(budget_id: @budget.id, filter: 'managed')
 
       expect(page).to have_content("Assigned idea")
-      expect(page).to_not have_content("Evaluating...")
+      expect(page).not_to have_content("Evaluating...")
     end
 
     scenario "Filtering by valuation status" do
@@ -225,16 +225,16 @@ feature 'Admin budget investments' do
       visit admin_budget_budget_investments_path(budget_id: @budget.id, filter: 'valuation_open')
 
       expect(page).to have_content("Ongoing valuation")
-      expect(page).to_not have_content("Old idea")
+      expect(page).not_to have_content("Old idea")
 
       visit admin_budget_budget_investments_path(budget_id: @budget.id, filter: 'valuating')
 
       expect(page).to have_content("Ongoing valuation")
-      expect(page).to_not have_content("Old idea")
+      expect(page).not_to have_content("Old idea")
 
       visit admin_budget_budget_investments_path(budget_id: @budget.id, filter: 'valuation_finished')
 
-      expect(page).to_not have_content("Ongoing valuation")
+      expect(page).not_to have_content("Ongoing valuation")
       expect(page).to have_content("Old idea")
 
       visit admin_budget_budget_investments_path(budget_id: @budget.id, filter: 'all')
@@ -256,7 +256,7 @@ feature 'Admin budget investments' do
 
       visit admin_budget_budget_investments_path(budget_id: @budget.id, tag_name: 'Education')
 
-      expect(page).to_not have_content("More hospitals")
+      expect(page).not_to have_content("More hospitals")
       expect(page).to have_css(".budget_investment", count: 2)
       expect(page).to have_content("Educate the children")
       expect(page).to have_content("More schools")
@@ -378,8 +378,8 @@ feature 'Admin budget investments' do
       within('#assigned_valuators') do
         expect(page).to have_content('Valentina (v1@valuators.org)')
         expect(page).to have_content('Val (v3@valuators.org)')
-        expect(page).to_not have_content('Undefined')
-        expect(page).to_not have_content('Valerian (v2@valuators.org)')
+        expect(page).not_to have_content('Undefined')
+        expect(page).not_to have_content('Valerian (v2@valuators.org)')
       end
     end
 
@@ -400,7 +400,7 @@ feature 'Admin budget investments' do
 
       within "#tags" do
         expect(page).to have_content 'Education'
-        expect(page).to_not have_content 'Health'
+        expect(page).not_to have_content 'Health'
       end
     end
 
@@ -429,7 +429,7 @@ feature 'Admin budget investments' do
       visit admin_budget_budget_investment_path(budget_investment.budget, budget_investment)
 
       within("#user-tags") do
-        expect(page).to_not have_content "Education"
+        expect(page).not_to have_content "Education"
         expect(page).to have_content "Park"
       end
 
@@ -442,15 +442,15 @@ feature 'Admin budget investments' do
       visit admin_budget_budget_investment_path(budget_investment.budget, budget_investment)
 
       within("#user-tags") do
-        expect(page).to_not have_content "Education"
-        expect(page).to_not have_content "Environment"
+        expect(page).not_to have_content "Education"
+        expect(page).not_to have_content "Environment"
         expect(page).to have_content "Park, Trees"
       end
 
       within("#tags") do
         expect(page).to have_content "Education, Environment"
-        expect(page).to_not have_content "Park"
-        expect(page).to_not have_content "Trees"
+        expect(page).not_to have_content "Park"
+        expect(page).not_to have_content "Trees"
       end
     end
 
@@ -468,7 +468,7 @@ feature 'Admin budget investments' do
 
       visit budget_investment_path(budget_investment.budget, budget_investment)
       expect(page).to have_content "Park"
-      expect(page).to_not have_content "Refugees, Solidarity"
+      expect(page).not_to have_content "Refugees, Solidarity"
     end
 
     scenario "Errors on update" do
@@ -498,31 +498,31 @@ feature 'Admin budget investments' do
       visit admin_budget_budget_investments_path(@budget)
 
       within('#filter-subnav') { click_link 'Valuation finished' }
-      expect(page).to_not have_content(unfeasible_bi.title)
-      expect(page).to_not have_content(feasible_bi.title)
+      expect(page).not_to have_content(unfeasible_bi.title)
+      expect(page).not_to have_content(feasible_bi.title)
       expect(page).to have_content(feasible_vf_bi.title)
       expect(page).to have_content(selected_bi.title)
       expect(page).to have_content(winner_bi.title)
 
       within('#filter-subnav') { click_link 'Val. fin. Feasible' }
-      expect(page).to_not have_content(unfeasible_bi.title)
-      expect(page).to_not have_content(feasible_bi.title)
+      expect(page).not_to have_content(unfeasible_bi.title)
+      expect(page).not_to have_content(feasible_bi.title)
       expect(page).to have_content(feasible_vf_bi.title)
       expect(page).to have_content(selected_bi.title)
       expect(page).to have_content(winner_bi.title)
 
       within('#filter-subnav') { click_link 'Selected' }
-      expect(page).to_not have_content(unfeasible_bi.title)
-      expect(page).to_not have_content(feasible_bi.title)
-      expect(page).to_not have_content(feasible_vf_bi.title)
+      expect(page).not_to have_content(unfeasible_bi.title)
+      expect(page).not_to have_content(feasible_bi.title)
+      expect(page).not_to have_content(feasible_vf_bi.title)
       expect(page).to have_content(selected_bi.title)
       expect(page).to have_content(winner_bi.title)
 
       within('#filter-subnav') { click_link 'Winners' }
-      expect(page).to_not have_content(unfeasible_bi.title)
-      expect(page).to_not have_content(feasible_bi.title)
-      expect(page).to_not have_content(feasible_vf_bi.title)
-      expect(page).to_not have_content(selected_bi.title)
+      expect(page).not_to have_content(unfeasible_bi.title)
+      expect(page).not_to have_content(feasible_bi.title)
+      expect(page).not_to have_content(feasible_vf_bi.title)
+      expect(page).not_to have_content(selected_bi.title)
       expect(page).to have_content(winner_bi.title)
     end
 
@@ -531,22 +531,22 @@ feature 'Admin budget investments' do
       within('#filter-subnav') { click_link 'All' }
 
       within("#budget_investment_#{unfeasible_bi.id}") do
-        expect(page).to_not have_link('Select')
-        expect(page).to_not have_link('Selected')
+        expect(page).not_to have_link('Select')
+        expect(page).not_to have_link('Selected')
       end
 
       within("#budget_investment_#{feasible_bi.id}") do
-        expect(page).to_not have_link('Select')
-        expect(page).to_not have_link('Selected')
+        expect(page).not_to have_link('Select')
+        expect(page).not_to have_link('Selected')
       end
 
       within("#budget_investment_#{feasible_vf_bi.id}") do
         expect(page).to have_link('Select')
-        expect(page).to_not have_link('Selected')
+        expect(page).not_to have_link('Selected')
       end
 
       within("#budget_investment_#{selected_bi.id}") do
-        expect(page).to_not have_link('Select')
+        expect(page).not_to have_link('Select')
         expect(page).to have_link('Selected')
       end
     end
@@ -563,7 +563,7 @@ feature 'Admin budget investments' do
       within('#filter-subnav') { click_link 'Selected' }
 
       within("#budget_investment_#{feasible_vf_bi.id}") do
-        expect(page).to_not have_link('Select')
+        expect(page).not_to have_link('Select')
         expect(page).to have_link('Selected')
       end
     end
@@ -578,14 +578,14 @@ feature 'Admin budget investments' do
         click_link('Selected')
       end
 
-      expect(page).to_not have_content(selected_bi.title)
+      expect(page).not_to have_content(selected_bi.title)
       expect(page).to have_content('There is 1 investment')
 
       within('#filter-subnav') { click_link 'All' }
 
       within("#budget_investment_#{selected_bi.id}") do
         expect(page).to have_link('Select')
-        expect(page).to_not have_link('Selected')
+        expect(page).not_to have_link('Selected')
       end
     end
 
diff --git a/spec/features/admin/budgets_spec.rb b/spec/features/admin/budgets_spec.rb
index d4ed2d2ac..7be11abba 100644
--- a/spec/features/admin/budgets_spec.rb
+++ b/spec/features/admin/budgets_spec.rb
@@ -45,13 +45,13 @@ feature 'Admin budgets' do
       expect(page).to have_content(budget2.name)
       expect(page).to have_content(budget3.name)
       expect(page).to have_content(budget4.name)
-      expect(page).to_not have_content(budget5.name)
+      expect(page).not_to have_content(budget5.name)
 
       click_link 'Finished'
-      expect(page).to_not have_content(budget1.name)
-      expect(page).to_not have_content(budget2.name)
-      expect(page).to_not have_content(budget3.name)
-      expect(page).to_not have_content(budget4.name)
+      expect(page).not_to have_content(budget1.name)
+      expect(page).not_to have_content(budget2.name)
+      expect(page).not_to have_content(budget3.name)
+      expect(page).not_to have_content(budget4.name)
       expect(page).to have_content(budget5.name)
 
       click_link 'Open'
@@ -59,7 +59,7 @@ feature 'Admin budgets' do
       expect(page).to have_content(budget2.name)
       expect(page).to have_content(budget3.name)
       expect(page).to have_content(budget4.name)
-      expect(page).to_not have_content(budget5.name)
+      expect(page).not_to have_content(budget5.name)
     end
 
     scenario 'Open filter is properly highlighted' do
@@ -67,13 +67,13 @@ feature 'Admin budgets' do
 
       visit admin_budgets_path
 
-      expect(page).to_not have_link(filters_links.values.first)
+      expect(page).not_to have_link(filters_links.values.first)
       filters_links.keys.drop(1).each { |filter| expect(page).to have_link(filters_links[filter]) }
 
       filters_links.each_pair do |current_filter, link|
         visit admin_budgets_path(filter: current_filter)
 
-        expect(page).to_not have_link(link)
+        expect(page).not_to have_link(link)
 
         (filters_links.keys - [current_filter]).each do |filter|
           expect(page).to have_link(filters_links[filter])
@@ -103,7 +103,7 @@ feature 'Admin budgets' do
       visit new_admin_budget_path
       click_button 'Create Participatory budget'
 
-      expect(page).to_not have_content 'New participatory budget created successfully!'
+      expect(page).not_to have_content 'New participatory budget created successfully!'
       expect(page).to have_css("label.error", text: "Name")
     end
 
@@ -158,7 +158,7 @@ feature 'Admin budgets' do
       expect(page).to have_content '1 Group of budget headings'
       expect(page).to have_content 'Health'
       expect(page).to have_content 'Yearly participatory budget'
-      expect(page).to_not have_content 'No groups created yet.'
+      expect(page).not_to have_content 'No groups created yet.'
 
       visit admin_budgets_path
       within("#budget_#{budget.id}") do
@@ -168,7 +168,7 @@ feature 'Admin budgets' do
       expect(page).to have_content '1 Group of budget headings'
       expect(page).to have_content 'Health'
       expect(page).to have_content 'Yearly participatory budget'
-      expect(page).to_not have_content 'No groups created yet.'
+      expect(page).not_to have_content 'No groups created yet.'
     end
 
     scenario 'Create heading', :js do
@@ -187,11 +187,11 @@ feature 'Admin budgets' do
         click_button 'Save heading'
       end
 
-      expect(page).to_not have_content 'This group has no assigned heading.'
+      expect(page).not_to have_content 'This group has no assigned heading.'
 
       visit admin_budget_path(budget)
       within("#budget_group_#{group.id}") do
-        expect(page).to_not have_content 'This group has no assigned heading.'
+        expect(page).not_to have_content 'This group has no assigned heading.'
 
         expect(page).to have_content 'District 9 reconstruction'
         expect(page).to have_content '6785'
diff --git a/spec/features/admin/comments_spec.rb b/spec/features/admin/comments_spec.rb
index 3de3395d0..e6e603378 100644
--- a/spec/features/admin/comments_spec.rb
+++ b/spec/features/admin/comments_spec.rb
@@ -22,7 +22,7 @@ feature 'Admin comments' do
     end
 
     visit admin_comments_path
-    expect(page).to_not have_content("SPAM from SPAMMER")
+    expect(page).not_to have_content("SPAM from SPAMMER")
     expect(page).not_to have_content("Good Proposal!")
   end
 
@@ -32,9 +32,9 @@ feature 'Admin comments' do
 
     click_link 'Restore'
 
-    expect(page).to_not have_content(comment.body)
+    expect(page).not_to have_content(comment.body)
 
-    expect(comment.reload).to_not be_hidden
+    expect(comment.reload).not_to be_hidden
     expect(comment).to be_ignored_flag
   end
 
@@ -44,7 +44,7 @@ feature 'Admin comments' do
 
     click_link 'Confirm'
 
-    expect(page).to_not have_content(comment.body)
+    expect(page).not_to have_content(comment.body)
     click_link('Confirmed')
     expect(page).to have_content(comment.body)
 
@@ -53,24 +53,24 @@ feature 'Admin comments' do
 
   scenario "Current filter is properly highlighted" do
     visit admin_comments_path
-    expect(page).to_not have_link('Pending')
+    expect(page).not_to have_link('Pending')
     expect(page).to have_link('All')
     expect(page).to have_link('Confirmed')
 
     visit admin_comments_path(filter: 'Pending')
-    expect(page).to_not have_link('Pending')
+    expect(page).not_to have_link('Pending')
     expect(page).to have_link('All')
     expect(page).to have_link('Confirmed')
 
     visit admin_comments_path(filter: 'all')
     expect(page).to have_link('Pending')
-    expect(page).to_not have_link('All')
+    expect(page).not_to have_link('All')
     expect(page).to have_link('Confirmed')
 
     visit admin_comments_path(filter: 'with_confirmed_hide')
     expect(page).to have_link('Pending')
     expect(page).to have_link('All')
-    expect(page).to_not have_link('Confirmed')
+    expect(page).not_to have_link('Confirmed')
   end
 
   scenario "Filtering comments" do
@@ -82,7 +82,7 @@ feature 'Admin comments' do
     expect(page).to have_content('Confirmed comment')
 
     visit admin_comments_path(filter: 'with_confirmed_hide')
-    expect(page).to_not have_content('Unconfirmed comment')
+    expect(page).not_to have_content('Unconfirmed comment')
     expect(page).to have_content('Confirmed comment')
   end
 
diff --git a/spec/features/admin/debates_spec.rb b/spec/features/admin/debates_spec.rb
index cb23ee788..45d2040c6 100644
--- a/spec/features/admin/debates_spec.rb
+++ b/spec/features/admin/debates_spec.rb
@@ -23,9 +23,9 @@ feature 'Admin debates' do
 
     click_link 'Restore'
 
-    expect(page).to_not have_content(debate.title)
+    expect(page).not_to have_content(debate.title)
 
-    expect(debate.reload).to_not be_hidden
+    expect(debate.reload).not_to be_hidden
     expect(debate).to be_ignored_flag
   end
 
@@ -35,7 +35,7 @@ feature 'Admin debates' do
 
     click_link 'Confirm'
 
-    expect(page).to_not have_content(debate.title)
+    expect(page).not_to have_content(debate.title)
     click_link('Confirmed')
     expect(page).to have_content(debate.title)
 
@@ -44,24 +44,24 @@ feature 'Admin debates' do
 
   scenario "Current filter is properly highlighted" do
     visit admin_debates_path
-    expect(page).to_not have_link('Pending')
+    expect(page).not_to have_link('Pending')
     expect(page).to have_link('All')
     expect(page).to have_link('Confirmed')
 
     visit admin_debates_path(filter: 'Pending')
-    expect(page).to_not have_link('Pending')
+    expect(page).not_to have_link('Pending')
     expect(page).to have_link('All')
     expect(page).to have_link('Confirmed')
 
     visit admin_debates_path(filter: 'all')
     expect(page).to have_link('Pending')
-    expect(page).to_not have_link('All')
+    expect(page).not_to have_link('All')
     expect(page).to have_link('Confirmed')
 
     visit admin_debates_path(filter: 'with_confirmed_hide')
     expect(page).to have_link('All')
     expect(page).to have_link('Pending')
-    expect(page).to_not have_link('Confirmed')
+    expect(page).not_to have_link('Confirmed')
   end
 
   scenario "Filtering debates" do
@@ -70,14 +70,14 @@ feature 'Admin debates' do
 
     visit admin_debates_path(filter: 'pending')
     expect(page).to have_content('Unconfirmed debate')
-    expect(page).to_not have_content('Confirmed debate')
+    expect(page).not_to have_content('Confirmed debate')
 
     visit admin_debates_path(filter: 'all')
     expect(page).to have_content('Unconfirmed debate')
     expect(page).to have_content('Confirmed debate')
 
     visit admin_debates_path(filter: 'with_confirmed_hide')
-    expect(page).to_not have_content('Unconfirmed debate')
+    expect(page).not_to have_content('Unconfirmed debate')
     expect(page).to have_content('Confirmed debate')
   end
 
diff --git a/spec/features/admin/feature_flags_spec.rb b/spec/features/admin/feature_flags_spec.rb
index 99c460477..89d20d052 100644
--- a/spec/features/admin/feature_flags_spec.rb
+++ b/spec/features/admin/feature_flags_spec.rb
@@ -29,7 +29,7 @@ feature 'Admin feature flags' do
 
     within("#edit_setting_#{setting_id}") do
       expect(page).to have_button "Disable"
-      expect(page).to_not have_button "Enable"
+      expect(page).not_to have_button "Enable"
       click_button 'Disable'
     end
 
@@ -59,7 +59,7 @@ feature 'Admin feature flags' do
 
     within("#edit_setting_#{setting_id}") do
       expect(page).to have_button "Enable"
-      expect(page).to_not have_button "Disable"
+      expect(page).not_to have_button "Disable"
       click_button 'Enable'
     end
 
diff --git a/spec/features/admin/hidden_users_spec.rb b/spec/features/admin/hidden_users_spec.rb
index f229bd833..0f41e3573 100644
--- a/spec/features/admin/hidden_users_spec.rb
+++ b/spec/features/admin/hidden_users_spec.rb
@@ -29,9 +29,9 @@ feature 'Admin hidden users' do
 
     click_link 'Restore'
 
-    expect(page).to_not have_content(user.username)
+    expect(page).not_to have_content(user.username)
 
-    expect(user.reload).to_not be_hidden
+    expect(user.reload).not_to be_hidden
   end
 
   scenario 'Confirm hide' do
@@ -40,7 +40,7 @@ feature 'Admin hidden users' do
 
     click_link 'Confirm'
 
-    expect(page).to_not have_content(user.username)
+    expect(page).not_to have_content(user.username)
     click_link('Confirmed')
     expect(page).to have_content(user.username)
 
@@ -49,24 +49,24 @@ feature 'Admin hidden users' do
 
   scenario "Current filter is properly highlighted" do
     visit admin_hidden_users_path
-    expect(page).to_not have_link('Pending')
+    expect(page).not_to have_link('Pending')
     expect(page).to have_link('All')
     expect(page).to have_link('Confirmed')
 
     visit admin_hidden_users_path(filter: 'Pending')
-    expect(page).to_not have_link('Pending')
+    expect(page).not_to have_link('Pending')
     expect(page).to have_link('All')
     expect(page).to have_link('Confirmed')
 
     visit admin_hidden_users_path(filter: 'all')
     expect(page).to have_link('Pending')
-    expect(page).to_not have_link('All')
+    expect(page).not_to have_link('All')
     expect(page).to have_link('Confirmed')
 
     visit admin_hidden_users_path(filter: 'with_confirmed_hide')
     expect(page).to have_link('All')
     expect(page).to have_link('Pending')
-    expect(page).to_not have_link('Confirmed')
+    expect(page).not_to have_link('Confirmed')
   end
 
   scenario "Filtering users" do
@@ -78,7 +78,7 @@ feature 'Admin hidden users' do
     expect(page).to have_content('Confirmed user')
 
     visit admin_hidden_users_path(filter: 'with_confirmed_hide')
-    expect(page).to_not have_content('Unconfirmed')
+    expect(page).not_to have_content('Unconfirmed')
     expect(page).to have_content('Confirmed user')
   end
 
diff --git a/spec/features/admin/legislation/processes_spec.rb b/spec/features/admin/legislation/processes_spec.rb
index 8ad2fa456..d968d3e8f 100644
--- a/spec/features/admin/legislation/processes_spec.rb
+++ b/spec/features/admin/legislation/processes_spec.rb
@@ -34,7 +34,7 @@ feature 'Admin legislation processes' do
         click_link "Collaborative Legislation"
       end
 
-      expect(page).to_not have_content 'An example legislation process'
+      expect(page).not_to have_content 'An example legislation process'
 
       click_link "New process"
 
diff --git a/spec/features/admin/legislation/questions_spec.rb b/spec/features/admin/legislation/questions_spec.rb
index ffbca09b1..d79429e30 100644
--- a/spec/features/admin/legislation/questions_spec.rb
+++ b/spec/features/admin/legislation/questions_spec.rb
@@ -108,7 +108,7 @@ feature 'Admin legislation questions' do
 
       expect(page).to have_content 'Questions'
       expect(page).to have_content 'Question 1'
-      expect(page).to_not have_content 'Question 2'
+      expect(page).not_to have_content 'Question 2'
     end
   end
 end
diff --git a/spec/features/admin/managers_spec.rb b/spec/features/admin/managers_spec.rb
index e59b1da4c..24baafca6 100644
--- a/spec/features/admin/managers_spec.rb
+++ b/spec/features/admin/managers_spec.rb
@@ -12,7 +12,7 @@ feature 'Admin managers' do
   scenario 'Index' do
     expect(page).to have_content @manager.name
     expect(page).to have_content @manager.email
-    expect(page).to_not have_content @user.name
+    expect(page).not_to have_content @user.name
   end
 
   scenario 'Create Manager', :js do
@@ -30,7 +30,7 @@ feature 'Admin managers' do
     click_link 'Delete'
 
     within("#managers") do
-      expect(page).to_not have_content @manager.name
+      expect(page).not_to have_content @manager.name
     end
   end
 
@@ -53,8 +53,8 @@ feature 'Admin managers' do
 
       expect(page).to have_content('Managers: User search')
       expect(page).to have_content('No results found')
-      expect(page).to_not have_content(@manager1.name)
-      expect(page).to_not have_content(@manager2.name)
+      expect(page).not_to have_content(@manager1.name)
+      expect(page).not_to have_content(@manager2.name)
     end
 
     scenario 'search by name' do
@@ -66,7 +66,7 @@ feature 'Admin managers' do
 
       expect(page).to have_content('Managers: User search')
       expect(page).to have_content(@manager1.name)
-      expect(page).to_not have_content(@manager2.name)
+      expect(page).not_to have_content(@manager2.name)
     end
 
     scenario 'search by email' do
@@ -78,7 +78,7 @@ feature 'Admin managers' do
 
       expect(page).to have_content('Managers: User search')
       expect(page).to have_content(@manager2.email)
-      expect(page).to_not have_content(@manager1.email)
+      expect(page).not_to have_content(@manager1.email)
     end
   end
 
diff --git a/spec/features/admin/moderators_spec.rb b/spec/features/admin/moderators_spec.rb
index 8a32762f1..aa45f7011 100644
--- a/spec/features/admin/moderators_spec.rb
+++ b/spec/features/admin/moderators_spec.rb
@@ -12,7 +12,7 @@ feature 'Admin moderators' do
   scenario 'Index' do
     expect(page).to have_content @moderator.name
     expect(page).to have_content @moderator.email
-    expect(page).to_not have_content @user.name
+    expect(page).not_to have_content @user.name
   end
 
   scenario 'Create Moderator', :js do
@@ -30,7 +30,7 @@ feature 'Admin moderators' do
     click_link 'Delete'
 
     within("#moderators") do
-      expect(page).to_not have_content @moderator.name
+      expect(page).not_to have_content @moderator.name
     end
   end
 
@@ -53,8 +53,8 @@ feature 'Admin moderators' do
 
       expect(page).to have_content('Moderators: User search')
       expect(page).to have_content('No results found')
-      expect(page).to_not have_content(@moderator1.name)
-      expect(page).to_not have_content(@moderator2.name)
+      expect(page).not_to have_content(@moderator1.name)
+      expect(page).not_to have_content(@moderator2.name)
     end
 
     scenario 'search by name' do
@@ -66,7 +66,7 @@ feature 'Admin moderators' do
 
       expect(page).to have_content('Moderators: User search')
       expect(page).to have_content(@moderator1.name)
-      expect(page).to_not have_content(@moderator2.name)
+      expect(page).not_to have_content(@moderator2.name)
     end
 
     scenario 'search by email' do
@@ -78,7 +78,7 @@ feature 'Admin moderators' do
 
       expect(page).to have_content('Moderators: User search')
       expect(page).to have_content(@moderator2.email)
-      expect(page).to_not have_content(@moderator1.email)
+      expect(page).not_to have_content(@moderator1.email)
     end
   end
 
diff --git a/spec/features/admin/officials_spec.rb b/spec/features/admin/officials_spec.rb
index 78f807445..5b5a5c32f 100644
--- a/spec/features/admin/officials_spec.rb
+++ b/spec/features/admin/officials_spec.rb
@@ -13,7 +13,7 @@ feature 'Admin officials' do
     visit admin_officials_path
 
     expect(page).to have_content @official.name
-    expect(page).to_not have_content @citizen.name
+    expect(page).not_to have_content @citizen.name
     expect(page).to have_content @official.official_position
     expect(page).to have_content @official.official_level
   end
@@ -24,7 +24,7 @@ feature 'Admin officials' do
 
     expect(page).to have_current_path(edit_admin_official_path(@official))
 
-    expect(page).to_not have_content @citizen.name
+    expect(page).not_to have_content @citizen.name
     expect(page).to have_content @official.name
     expect(page).to have_content @official.email
 
@@ -47,7 +47,7 @@ feature 'Admin officials' do
     click_button 'Search'
 
     expect(page).to have_current_path(search_admin_officials_path, only_path: true)
-    expect(page).to_not have_content @official.name
+    expect(page).not_to have_content @official.name
 
     click_link @citizen.name
 
@@ -72,7 +72,7 @@ feature 'Admin officials' do
 
     expect(page).to have_content 'Details saved: the user is no longer an official'
     expect(page).to have_current_path(admin_officials_path, only_path: true)
-    expect(page).to_not have_content @citizen.name
-    expect(page).to_not have_content @official.name
+    expect(page).not_to have_content @citizen.name
+    expect(page).not_to have_content @official.name
   end
 end
diff --git a/spec/features/admin/organizations_spec.rb b/spec/features/admin/organizations_spec.rb
index 9979d564d..baf978ffc 100644
--- a/spec/features/admin/organizations_spec.rb
+++ b/spec/features/admin/organizations_spec.rb
@@ -20,8 +20,8 @@ feature 'Admin::Organizations' do
 
       expect(page).to have_content("Human Rights")
       expect(page).to have_content(org.user.email)
-      expect(page).to_not have_content("Greentroll")
-      expect(page).to_not have_content("trol@troller.com")
+      expect(page).not_to have_content("Greentroll")
+      expect(page).not_to have_content("trol@troller.com")
       expect(page).to have_content("There is also one organisation with no users or with a hidden user")
     end
   end
@@ -42,13 +42,13 @@ feature 'Admin::Organizations' do
 
       expect(page).to have_current_path(search_admin_organizations_path, only_path: true)
       within("#search-results") do
-        expect(page).to_not have_content("Get up, Stand up")
+        expect(page).not_to have_content("Get up, Stand up")
       end
     end
 
     scenario "finds by name" do
       visit search_admin_organizations_path
-      expect(page).to_not have_content("Get up, Stand up")
+      expect(page).not_to have_content("Get up, Stand up")
 
       fill_in "term", with: "Up, sta"
       click_button "Search"
@@ -60,7 +60,7 @@ feature 'Admin::Organizations' do
 
     scenario "finds by users email" do
       visit search_admin_organizations_path
-      expect(page).to_not have_content("Get up, Stand up")
+      expect(page).not_to have_content("Get up, Stand up")
 
       fill_in "term", with: @user.email
       click_button "Search"
@@ -72,7 +72,7 @@ feature 'Admin::Organizations' do
 
     scenario "finds by users phone number" do
       visit search_admin_organizations_path
-      expect(page).to_not have_content("Get up, Stand up")
+      expect(page).not_to have_content("Get up, Stand up")
 
       fill_in "term", with: @user.phone_number
       click_button "Search"
@@ -109,13 +109,13 @@ feature 'Admin::Organizations' do
 
     within("#organization_#{organization.id}") do
       expect(page).to have_content 'Verified'
-      expect(page).to_not have_link('Verify')
+      expect(page).not_to have_link('Verify')
       expect(page).to have_link('Reject')
 
       click_on 'Reject'
     end
     expect(page).to have_current_path(admin_organizations_path, only_path: true)
-    expect(page).to_not have_content organization.name
+    expect(page).not_to have_content organization.name
 
     click_on 'Rejected'
     expect(page).to have_content 'Rejected'
@@ -132,12 +132,12 @@ feature 'Admin::Organizations' do
 
     within("#organization_#{organization.id}") do
       expect(page).to have_link('Verify')
-      expect(page).to_not have_link('Reject', exact: true)
+      expect(page).not_to have_link('Reject', exact: true)
 
       click_on 'Verify'
     end
     expect(page).to have_current_path(admin_organizations_path, only_path: true)
-    expect(page).to_not have_content organization.name
+    expect(page).not_to have_content organization.name
     click_on('Verified')
 
     expect(page).to have_content organization.name
@@ -147,34 +147,34 @@ feature 'Admin::Organizations' do
 
   scenario "Current filter is properly highlighted" do
     visit admin_organizations_path
-    expect(page).to_not have_link('Pending')
+    expect(page).not_to have_link('Pending')
     expect(page).to have_link('All')
     expect(page).to have_link('Verified')
     expect(page).to have_link('Rejected')
 
     visit admin_organizations_path(filter: 'all')
-    expect(page).to_not have_link('All')
+    expect(page).not_to have_link('All')
     expect(page).to have_link('Pending')
     expect(page).to have_link('Verified')
     expect(page).to have_link('Rejected')
 
     visit admin_organizations_path(filter: 'pending')
     expect(page).to have_link('All')
-    expect(page).to_not have_link('Pending')
+    expect(page).not_to have_link('Pending')
     expect(page).to have_link('Verified')
     expect(page).to have_link('Rejected')
 
     visit admin_organizations_path(filter: 'verified')
     expect(page).to have_link('All')
     expect(page).to have_link('Pending')
-    expect(page).to_not have_link('Verified')
+    expect(page).not_to have_link('Verified')
     expect(page).to have_link('Rejected')
 
     visit admin_organizations_path(filter: 'rejected')
     expect(page).to have_link('All')
     expect(page).to have_link('Pending')
     expect(page).to have_link('Verified')
-    expect(page).to_not have_link('Rejected')
+    expect(page).not_to have_link('Rejected')
   end
 
   scenario "Filtering organizations" do
@@ -189,18 +189,18 @@ feature 'Admin::Organizations' do
 
     visit admin_organizations_path(filter: 'pending')
     expect(page).to have_content('Pending Organization')
-    expect(page).to_not have_content('Rejected Organization')
-    expect(page).to_not have_content('Verified Organization')
+    expect(page).not_to have_content('Rejected Organization')
+    expect(page).not_to have_content('Verified Organization')
 
     visit admin_organizations_path(filter: 'verified')
-    expect(page).to_not have_content('Pending Organization')
-    expect(page).to_not have_content('Rejected Organization')
+    expect(page).not_to have_content('Pending Organization')
+    expect(page).not_to have_content('Rejected Organization')
     expect(page).to have_content('Verified Organization')
 
     visit admin_organizations_path(filter: 'rejected')
-    expect(page).to_not have_content('Pending Organization')
+    expect(page).not_to have_content('Pending Organization')
     expect(page).to have_content('Rejected Organization')
-    expect(page).to_not have_content('Verified Organization')
+    expect(page).not_to have_content('Verified Organization')
   end
 
   scenario "Verifying organization links remember the pagination setting and the filter" do
diff --git a/spec/features/admin/poll/booth_assigments_spec.rb b/spec/features/admin/poll/booth_assigments_spec.rb
index 016bccb7f..9d3f4180b 100644
--- a/spec/features/admin/poll/booth_assigments_spec.rb
+++ b/spec/features/admin/poll/booth_assigments_spec.rb
@@ -38,7 +38,7 @@ feature 'Admin booths assignments' do
       end
 
       expect(page).to have_content 'There are no booths assigned to this poll.'
-      expect(page).to_not have_content booth.name
+      expect(page).not_to have_content booth.name
 
       fill_in 'search-booths', with: booth.name
       click_button 'Search'
@@ -64,7 +64,7 @@ feature 'Admin booths assignments' do
         click_link 'Booths (1)'
       end
 
-      expect(page).to_not have_content 'There are no booths assigned to this poll.'
+      expect(page).not_to have_content 'There are no booths assigned to this poll.'
       expect(page).to have_content booth.name
     end
 
@@ -163,7 +163,7 @@ feature 'Admin booths assignments' do
       click_link 'Officers'
       within('#officers_list') do
         expect(page).to have_content officer.name
-        expect(page).to_not have_content officer_2.name
+        expect(page).not_to have_content officer_2.name
       end
     end
 
diff --git a/spec/features/admin/poll/booths_spec.rb b/spec/features/admin/poll/booths_spec.rb
index b706e23ce..ba7ca5cfb 100644
--- a/spec/features/admin/poll/booths_spec.rb
+++ b/spec/features/admin/poll/booths_spec.rb
@@ -33,7 +33,7 @@ feature 'Admin booths' do
         expect(page).to have_content booth.location
       end
     end
-    expect(page).to_not have_content "There are no booths"
+    expect(page).not_to have_content "There are no booths"
   end
 
   scenario "Available" do
@@ -59,8 +59,8 @@ feature 'Admin booths' do
 
     expect(page).to have_content booth_for_current_poll.name
     expect(page).to have_content booth_for_incoming_poll.name
-    expect(page).to_not have_content booth_for_expired_poll.name
-    expect(page).to_not have_link "Edit booth"
+    expect(page).not_to have_content booth_for_expired_poll.name
+    expect(page).not_to have_link "Edit booth"
   end
 
   scenario 'Show' do
@@ -95,7 +95,7 @@ feature 'Admin booths' do
     visit admin_booths_path
 
     within("#booth_#{booth.id}") do
-      expect(page).to_not have_link "Manage shifts"
+      expect(page).not_to have_link "Manage shifts"
       click_link "Edit booth"
     end
 
diff --git a/spec/features/admin/poll/officer_assignments_spec.rb b/spec/features/admin/poll/officer_assignments_spec.rb
index 48d10ad39..d95fc8aa5 100644
--- a/spec/features/admin/poll/officer_assignments_spec.rb
+++ b/spec/features/admin/poll/officer_assignments_spec.rb
@@ -28,7 +28,7 @@ feature 'Officer Assignments' do
     within('#officer_assignments') do
       expect(page).to have_content officer1.name
       expect(page).to have_content officer2.name
-      expect(page).to_not have_content officer3.name
+      expect(page).not_to have_content officer3.name
     end
   end
 
@@ -60,7 +60,7 @@ feature 'Officer Assignments' do
     within('#search-officers-results') do
       expect(page).to have_content officer1.name
       expect(page).to have_content officer2.name
-      expect(page).to_not have_content officer3.name
+      expect(page).not_to have_content officer3.name
     end
   end
 
diff --git a/spec/features/admin/poll/officers_spec.rb b/spec/features/admin/poll/officers_spec.rb
index d9ea89638..cfa0ff1ae 100644
--- a/spec/features/admin/poll/officers_spec.rb
+++ b/spec/features/admin/poll/officers_spec.rb
@@ -13,7 +13,7 @@ feature 'Admin poll officers' do
   scenario 'Index' do
     expect(page).to have_content @officer.name
     expect(page).to have_content @officer.email
-    expect(page).to_not have_content @user.name
+    expect(page).not_to have_content @user.name
   end
 
   scenario 'Create', :js do
@@ -30,7 +30,7 @@ feature 'Admin poll officers' do
   scenario 'Delete' do
     click_link 'Delete position'
 
-    expect(page).to_not have_css '#officers'
+    expect(page).not_to have_css '#officers'
   end
 
 end
\ No newline at end of file
diff --git a/spec/features/admin/poll/polls_spec.rb b/spec/features/admin/poll/polls_spec.rb
index de1399cac..482d461cc 100644
--- a/spec/features/admin/poll/polls_spec.rb
+++ b/spec/features/admin/poll/polls_spec.rb
@@ -36,7 +36,7 @@ feature 'Admin polls' do
         expect(page).to have_content poll.name
       end
     end
-    expect(page).to_not have_content "There are no polls"
+    expect(page).not_to have_content "There are no polls"
   end
 
   scenario 'Show' do
@@ -61,8 +61,8 @@ feature 'Admin polls' do
     fill_in 'poll_summary', with: "Upcoming poll's summary. This poll..."
     fill_in 'poll_description', with: "Upcomming poll's description. This poll..."
 
-    expect(page).to_not have_css("#poll_results_enabled")
-    expect(page).to_not have_css("#poll_stats_enabled")
+    expect(page).not_to have_css("#poll_results_enabled")
+    expect(page).not_to have_css("#poll_stats_enabled")
 
     click_button "Create poll"
 
@@ -142,7 +142,7 @@ feature 'Admin polls' do
             expect(page).to have_content ba.booth.location
           end
         end
-        expect(page).to_not have_content "There are no booths assigned to this poll."
+        expect(page).not_to have_content "There are no booths assigned to this poll."
       end
     end
   end
@@ -180,7 +180,7 @@ feature 'Admin polls' do
             expect(page).to have_content officer.email
           end
         end
-        expect(page).to_not have_content "There are no officers assigned to this poll"
+        expect(page).not_to have_content "There are no officers assigned to this poll"
       end
     end
   end
@@ -198,8 +198,8 @@ feature 'Admin polls' do
 
         expect(page).to have_content "Questions (1)"
         expect(page).to have_content question.title
-        expect(page).to_not have_content other_question.title
-        expect(page).to_not have_content "There are no questions assigned to this poll"
+        expect(page).not_to have_content other_question.title
+        expect(page).not_to have_content "There are no questions assigned to this poll"
       end
 
     end
diff --git a/spec/features/admin/poll/questions/answers/answers_spec.rb b/spec/features/admin/poll/questions/answers/answers_spec.rb
index e8af5ff79..288f514a4 100644
--- a/spec/features/admin/poll/questions/answers/answers_spec.rb
+++ b/spec/features/admin/poll/questions/answers/answers_spec.rb
@@ -63,7 +63,7 @@ feature 'Answers' do
     visit admin_question_path(question)
 
     expect(page).to have_content(new_title)
-    expect(page).to_not have_content(old_title)
+    expect(page).not_to have_content(old_title)
 
     expect(page.body.index(new_title)).to be < page.body.index(answer2.title)
   end
diff --git a/spec/features/admin/poll/questions_spec.rb b/spec/features/admin/poll/questions_spec.rb
index 910bda2f1..8b251a440 100644
--- a/spec/features/admin/poll/questions_spec.rb
+++ b/spec/features/admin/poll/questions_spec.rb
@@ -92,7 +92,7 @@ feature 'Admin poll questions' do
     visit admin_questions_path
 
     expect(page).to have_content(new_title)
-    expect(page).to_not have_content(old_title)
+    expect(page).not_to have_content(old_title)
   end
 
   scenario 'Destroy' do
@@ -105,7 +105,7 @@ feature 'Admin poll questions' do
       click_link "Delete"
     end
 
-    expect(page).to_not have_content(question1.title)
+    expect(page).not_to have_content(question1.title)
     expect(page).to have_content(question2.title)
   end
 
diff --git a/spec/features/admin/proposals_spec.rb b/spec/features/admin/proposals_spec.rb
index df70572a4..0c65aa899 100644
--- a/spec/features/admin/proposals_spec.rb
+++ b/spec/features/admin/proposals_spec.rb
@@ -35,9 +35,9 @@ feature 'Admin proposals' do
 
     click_link 'Restore'
 
-    expect(page).to_not have_content(proposal.title)
+    expect(page).not_to have_content(proposal.title)
 
-    expect(proposal.reload).to_not be_hidden
+    expect(proposal.reload).not_to be_hidden
     expect(proposal).to be_ignored_flag
   end
 
@@ -47,7 +47,7 @@ feature 'Admin proposals' do
 
     click_link 'Confirm'
 
-    expect(page).to_not have_content(proposal.title)
+    expect(page).not_to have_content(proposal.title)
     click_link('Confirmed')
     expect(page).to have_content(proposal.title)
 
@@ -56,24 +56,24 @@ feature 'Admin proposals' do
 
   scenario "Current filter is properly highlighted" do
     visit admin_proposals_path
-    expect(page).to_not have_link('Pending')
+    expect(page).not_to have_link('Pending')
     expect(page).to have_link('All')
     expect(page).to have_link('Confirmed')
 
     visit admin_proposals_path(filter: 'Pending')
-    expect(page).to_not have_link('Pending')
+    expect(page).not_to have_link('Pending')
     expect(page).to have_link('All')
     expect(page).to have_link('Confirmed')
 
     visit admin_proposals_path(filter: 'all')
     expect(page).to have_link('Pending')
-    expect(page).to_not have_link('All')
+    expect(page).not_to have_link('All')
     expect(page).to have_link('Confirmed')
 
     visit admin_proposals_path(filter: 'with_confirmed_hide')
     expect(page).to have_link('All')
     expect(page).to have_link('Pending')
-    expect(page).to_not have_link('Confirmed')
+    expect(page).not_to have_link('Confirmed')
   end
 
   scenario "Filtering proposals" do
@@ -82,14 +82,14 @@ feature 'Admin proposals' do
 
     visit admin_proposals_path(filter: 'pending')
     expect(page).to have_content('Unconfirmed proposal')
-    expect(page).to_not have_content('Confirmed proposal')
+    expect(page).not_to have_content('Confirmed proposal')
 
     visit admin_proposals_path(filter: 'all')
     expect(page).to have_content('Unconfirmed proposal')
     expect(page).to have_content('Confirmed proposal')
 
     visit admin_proposals_path(filter: 'with_confirmed_hide')
-    expect(page).to_not have_content('Unconfirmed proposal')
+    expect(page).not_to have_content('Unconfirmed proposal')
     expect(page).to have_content('Confirmed proposal')
   end
 
diff --git a/spec/features/admin/site_customization/content_blocks_spec.rb b/spec/features/admin/site_customization/content_blocks_spec.rb
index de2155737..eb6098ed4 100644
--- a/spec/features/admin/site_customization/content_blocks_spec.rb
+++ b/spec/features/admin/site_customization/content_blocks_spec.rb
@@ -23,7 +23,7 @@ feature "Admin custom content blocks" do
         click_link "Custom content blocks"
       end
 
-      expect(page).to_not have_content "footer (es)"
+      expect(page).not_to have_content "footer (es)"
 
       click_link "Create new content block"
 
@@ -90,8 +90,8 @@ feature "Admin custom content blocks" do
 
       click_button "Delete block"
 
-      expect(page).to_not have_content("#{block.name} (#{block.locale})")
-      expect(page).to_not have_content(block.body)
+      expect(page).not_to have_content("#{block.name} (#{block.locale})")
+      expect(page).not_to have_content(block.body)
     end
 
     scenario "From edit page" do
@@ -100,8 +100,8 @@ feature "Admin custom content blocks" do
 
       click_button "Delete block"
 
-      expect(page).to_not have_content("#{block.name} (#{block.locale})")
-      expect(page).to_not have_content(block.body)
+      expect(page).not_to have_content("#{block.name} (#{block.locale})")
+      expect(page).not_to have_content(block.body)
     end
   end
 end
diff --git a/spec/features/admin/site_customization/images_spec.rb b/spec/features/admin/site_customization/images_spec.rb
index fc81bf246..cd8c0c065 100644
--- a/spec/features/admin/site_customization/images_spec.rb
+++ b/spec/features/admin/site_customization/images_spec.rb
@@ -57,6 +57,6 @@ feature "Admin custom images" do
       click_link "Delete"
     end
 
-    expect(page).to_not have_css("img[src*='social_media_icon.png']")
+    expect(page).not_to have_css("img[src*='social_media_icon.png']")
   end
 end
diff --git a/spec/features/admin/site_customization/pages_spec.rb b/spec/features/admin/site_customization/pages_spec.rb
index 1b09a8f01..d4873be9d 100644
--- a/spec/features/admin/site_customization/pages_spec.rb
+++ b/spec/features/admin/site_customization/pages_spec.rb
@@ -22,7 +22,7 @@ feature "Admin custom pages" do
         click_link "Custom Pages"
       end
 
-      expect(page).to_not have_content "An example custom page"
+      expect(page).not_to have_content "An example custom page"
 
       click_link "Create new page"
 
@@ -65,6 +65,6 @@ feature "Admin custom pages" do
 
     click_button "Delete page"
 
-    expect(page).to_not have_content("An example custom page")
+    expect(page).not_to have_content("An example custom page")
   end
 end
diff --git a/spec/features/admin/tags_spec.rb b/spec/features/admin/tags_spec.rb
index 8ff205852..e22637675 100644
--- a/spec/features/admin/tags_spec.rb
+++ b/spec/features/admin/tags_spec.rb
@@ -19,7 +19,7 @@ feature 'Admin tags' do
   scenario 'Create' do
     visit admin_tags_path
 
-    expect(page).to_not have_content 'important issues'
+    expect(page).not_to have_content 'important issues'
 
     within("form.new_tag") do
       fill_in "tag_name", with: 'important issues'
@@ -45,7 +45,7 @@ feature 'Admin tags' do
 
     visit admin_tags_path
     expect(page).to have_content @tag1.name
-    expect(page).to_not have_content tag2.name
+    expect(page).not_to have_content tag2.name
   end
 
   scenario 'Delete tag with hidden taggables' do
@@ -64,7 +64,7 @@ feature 'Admin tags' do
 
     visit admin_tags_path
     expect(page).to have_content @tag1.name
-    expect(page).to_not have_content tag2.name
+    expect(page).not_to have_content tag2.name
   end
 
   context "Manage only tags of kind category" do
@@ -73,7 +73,7 @@ feature 'Admin tags' do
       visit admin_tags_path
 
       expect(page).to have_content @tag1.name
-      expect(page).to_not have_content "Not a category"
+      expect(page).not_to have_content "Not a category"
     end
 
     scenario "Create instanciates tags of correct kind" do
diff --git a/spec/features/admin/users_spec.rb b/spec/features/admin/users_spec.rb
index 4a62a75d0..98058701e 100644
--- a/spec/features/admin/users_spec.rb
+++ b/spec/features/admin/users_spec.rb
@@ -21,8 +21,8 @@ feature 'Admin users' do
 
     expect(page).to have_content @user.name
     expect(page).to have_content @user.email
-    expect(page).to_not have_content @admin.name
-    expect(page).to_not have_content @admin.email
+    expect(page).not_to have_content @admin.name
+    expect(page).not_to have_content @admin.email
   end
 end
 
diff --git a/spec/features/admin/valuators_spec.rb b/spec/features/admin/valuators_spec.rb
index f1dfa68b3..25ae57a12 100644
--- a/spec/features/admin/valuators_spec.rb
+++ b/spec/features/admin/valuators_spec.rb
@@ -12,7 +12,7 @@ feature 'Admin valuators' do
   scenario 'Index' do
     expect(page).to have_content(@valuator.name)
     expect(page).to have_content(@valuator.email)
-    expect(page).to_not have_content(@user.name)
+    expect(page).not_to have_content(@user.name)
   end
 
   scenario 'Create Valuator', :js do
@@ -33,7 +33,7 @@ feature 'Admin valuators' do
     click_link 'Delete'
 
     within('#valuators') do
-      expect(page).to_not have_content(@valuator.name)
+      expect(page).not_to have_content(@valuator.name)
     end
   end
 
@@ -56,8 +56,8 @@ feature 'Admin valuators' do
 
       expect(page).to have_content('Valuators: User search')
       expect(page).to have_content('No results found')
-      expect(page).to_not have_content(@valuator1.name)
-      expect(page).to_not have_content(@valuator2.name)
+      expect(page).not_to have_content(@valuator1.name)
+      expect(page).not_to have_content(@valuator2.name)
     end
 
     scenario 'search by name' do
@@ -69,7 +69,7 @@ feature 'Admin valuators' do
 
       expect(page).to have_content('Valuators: User search')
       expect(page).to have_content(@valuator1.name)
-      expect(page).to_not have_content(@valuator2.name)
+      expect(page).not_to have_content(@valuator2.name)
     end
 
     scenario 'search by email' do
@@ -81,7 +81,7 @@ feature 'Admin valuators' do
 
       expect(page).to have_content('Valuators: User search')
       expect(page).to have_content(@valuator2.email)
-      expect(page).to_not have_content(@valuator1.email)
+      expect(page).not_to have_content(@valuator1.email)
     end
   end
 
diff --git a/spec/features/admin/verifications_spec.rb b/spec/features/admin/verifications_spec.rb
index ce455fe87..94218426d 100644
--- a/spec/features/admin/verifications_spec.rb
+++ b/spec/features/admin/verifications_spec.rb
@@ -17,8 +17,8 @@ feature 'Incomplete verifications' do
 
     expect(page).to have_content(incompletely_verified_user1.username)
     expect(page).to have_content(incompletely_verified_user2.username)
-    expect(page).to_not have_content(never_tried_to_verify_user.username)
-    expect(page).to_not have_content(verified_user.username)
+    expect(page).not_to have_content(never_tried_to_verify_user.username)
+    expect(page).not_to have_content(verified_user.username)
   end
 
   scenario 'Search' do
@@ -32,8 +32,8 @@ feature 'Incomplete verifications' do
     click_button "Search"
 
     expect(page).to have_content("Juan_anonymous")
-    expect(page).to_not have_content("Juan Carlos")
-    expect(page).to_not have_content("Isabel_anonymous")
+    expect(page).not_to have_content("Juan Carlos")
+    expect(page).not_to have_content("Isabel_anonymous")
   end
 
   scenario "Residence unverified" do
diff --git a/spec/features/admin_spec.rb b/spec/features/admin_spec.rb
index 006f70863..82130cda4 100644
--- a/spec/features/admin_spec.rb
+++ b/spec/features/admin_spec.rb
@@ -61,7 +61,7 @@ feature 'Admin' do
     visit admin_root_path
 
     expect(page).to have_current_path(admin_root_path)
-    expect(page).to_not have_content "You do not have permission to access this page"
+    expect(page).not_to have_content "You do not have permission to access this page"
   end
 
   scenario "Admin access links" do
@@ -86,8 +86,8 @@ feature 'Admin' do
 
     expect(page).to have_current_path(admin_root_path)
     expect(page).to have_css('#admin_menu')
-    expect(page).to_not have_css('#moderation_menu')
-    expect(page).to_not have_css('#valuation_menu')
+    expect(page).not_to have_css('#moderation_menu')
+    expect(page).not_to have_css('#valuation_menu')
   end
 
 end
diff --git a/spec/features/budgets/ballots_spec.rb b/spec/features/budgets/ballots_spec.rb
index 3a710fcb4..8fd3cfcf0 100644
--- a/spec/features/budgets/ballots_spec.rb
+++ b/spec/features/budgets/ballots_spec.rb
@@ -156,8 +156,8 @@ feature 'Ballots' do
         expect(page).to have_css("#amount-available", text: "€1,000,000")
 
         within("#sidebar") do
-          expect(page).to_not have_content investment.title
-          expect(page).to_not have_content "€10,000"
+          expect(page).not_to have_content investment.title
+          expect(page).not_to have_content "€10,000"
         end
       end
 
@@ -204,8 +204,8 @@ feature 'Ballots' do
           expect(page).to have_content investment2.title
           expect(page).to have_content "€20,000"
 
-          expect(page).to_not have_content investment1.title
-          expect(page).to_not have_content "€10,000"
+          expect(page).not_to have_content investment1.title
+          expect(page).not_to have_content "€10,000"
         end
 
         visit budget_path(budget)
@@ -218,8 +218,8 @@ feature 'Ballots' do
           expect(page).to have_content investment1.title
           expect(page).to have_content "€10,000"
 
-          expect(page).to_not have_content investment2.title
-          expect(page).to_not have_content "€20,000"
+          expect(page).not_to have_content investment2.title
+          expect(page).not_to have_content "€20,000"
         end
 
         visit budget_path(budget)
@@ -284,7 +284,7 @@ feature 'Ballots' do
       visit budget_path(budget)
       click_link "States"
       expect(page).to have_css("#budget_heading_#{new_york.id}.active")
-      expect(page).to_not have_css("#budget_heading_#{california.id}.active")
+      expect(page).not_to have_css("#budget_heading_#{california.id}.active")
     end
 
     scenario 'View another heading' do
@@ -295,7 +295,7 @@ feature 'Ballots' do
 
       visit budget_investments_path(budget, heading_id: new_york.id)
 
-      expect(page).to_not have_css "#progressbar"
+      expect(page).not_to have_css "#progressbar"
       expect(page).to have_content "You have active votes in another heading:"
       expect(page).to have_link california.name, href: budget_investments_path(budget, heading_id: california.id)
     end
@@ -411,8 +411,8 @@ feature 'Ballots' do
     expect(page).to have_css("#amount-available", text: "€980,000")
 
     within("#sidebar") do
-      expect(page).to_not have_content investment1.title
-      expect(page).to_not have_content "€10,000"
+      expect(page).not_to have_content investment1.title
+      expect(page).not_to have_content "€10,000"
 
       expect(page).to have_content investment2.title
       expect(page).to have_content "€20,000"
@@ -490,7 +490,7 @@ feature 'Ballots' do
       click_link states.name
       click_link new_york.name
 
-      expect(page).to_not have_css("#budget_investment_#{investment.id}")
+      expect(page).not_to have_css("#budget_investment_#{investment.id}")
     end
 
     scenario 'Investments with feasibility undecided are not shown' do
@@ -502,8 +502,8 @@ feature 'Ballots' do
       click_link new_york.name
 
       within("#budget-investments") do
-        expect(page).to_not have_css("div.ballot")
-        expect(page).to_not have_css("#budget_investment_#{investment.id}")
+        expect(page).not_to have_css("div.ballot")
+        expect(page).not_to have_css("#budget_investment_#{investment.id}")
       end
     end
 
@@ -550,7 +550,7 @@ feature 'Ballots' do
 
       within("#budget_investment_#{bi1.id}") do
         find("div.ballot").hover
-        expect(page).to_not have_content('You have already assigned the available budget')
+        expect(page).not_to have_content('You have already assigned the available budget')
         expect(page).to have_selector('.in-favor a', visible: true)
       end
 
@@ -587,7 +587,7 @@ feature 'Ballots' do
 
       within("#budget_investment_#{bi2.id}") do
         find("div.ballot").hover
-        expect(page).to_not have_content('You have already assigned the available budget')
+        expect(page).not_to have_content('You have already assigned the available budget')
         expect(page).to have_selector('.in-favor a', visible: true)
       end
     end
@@ -612,11 +612,11 @@ feature 'Ballots' do
         find('.remove-investment-project').trigger('click')
       end
 
-      expect(page).to_not have_css "#budget_investment_#{bi1.id}_sidebar"
+      expect(page).not_to have_css "#budget_investment_#{bi1.id}_sidebar"
 
       within("#budget_investment_#{bi2.id}") do
         find("div.ballot").hover
-        expect(page).to_not have_content('You have already assigned the available budget')
+        expect(page).not_to have_content('You have already assigned the available budget')
         expect(page).to have_selector('.in-favor a', visible: true)
       end
     end
@@ -636,7 +636,7 @@ feature 'Ballots' do
         find('.add a').trigger('click')
 
         expect(page.status_code).to eq(200)
-        expect(page).to_not have_content "Remove"
+        expect(page).not_to have_content "Remove"
         expect(page).to have_selector('.participation-not-allowed', visible: false)
         find("div.ballot").hover
         expect(page).to have_selector('.participation-not-allowed', visible: true)
@@ -653,7 +653,7 @@ feature 'Ballots' do
 
       visit budget_investments_path(budget, heading_id: california.id)
       within("#budget_investment_#{bi1.id}") do
-        expect(page).to_not have_css("div.ballot")
+        expect(page).not_to have_css("div.ballot")
       end
     end
   end
diff --git a/spec/features/budgets/budgets_spec.rb b/spec/features/budgets/budgets_spec.rb
index 81530a43d..f7d194524 100644
--- a/spec/features/budgets/budgets_spec.rb
+++ b/spec/features/budgets/budgets_spec.rb
@@ -26,13 +26,13 @@ feature 'Budgets' do
 
       visit budget_path(budget)
 
-      expect(page).to_not have_link "See unfeasible investments"
-      expect(page).to_not have_link "See investments not selected for balloting phase"
+      expect(page).not_to have_link "See unfeasible investments"
+      expect(page).not_to have_link "See investments not selected for balloting phase"
 
       click_link group.name
 
-      expect(page).to_not have_link "See unfeasible investments"
-      expect(page).to_not have_link "See investments not selected for balloting phase"
+      expect(page).not_to have_link "See unfeasible investments"
+      expect(page).not_to have_link "See investments not selected for balloting phase"
 
       budget.update(phase: :balloting)
 
diff --git a/spec/features/budgets/investments_spec.rb b/spec/features/budgets/investments_spec.rb
index a967a27f4..62fbeb725 100644
--- a/spec/features/budgets/investments_spec.rb
+++ b/spec/features/budgets/investments_spec.rb
@@ -37,7 +37,7 @@ feature 'Budget Investments' do
       within('#budget-investments') do
         expect(page).to have_content investment.title
         expect(page).to have_css("a[href='#{budget_investment_path(budget_id: budget.id, id: investment.id)}']", text: investment.title)
-        expect(page).to_not have_content(unfeasible_investment.title)
+        expect(page).not_to have_content(unfeasible_investment.title)
       end
     end
   end
@@ -50,7 +50,7 @@ feature 'Budget Investments' do
     visit budget_investments_path(budget, heading_id: heading.id)
 
     within("#budget_investment_#{investment.id}") do
-      expect(page).to_not have_css("div.with-image")
+      expect(page).not_to have_css("div.with-image")
     end
     within("#budget_investment_#{investment_with_image.id}") do
       expect(page).to have_css("img[alt='#{investment_with_image.image.title}']")
@@ -76,7 +76,7 @@ feature 'Budget Investments' do
 
         expect(page).to have_content(investment1.title)
         expect(page).to have_content(investment2.title)
-        expect(page).to_not have_content(investment3.title)
+        expect(page).not_to have_content(investment3.title)
       end
     end
 
@@ -96,9 +96,9 @@ feature 'Budget Investments' do
         expect(page).to have_css('.budget-investment', count: 1)
 
         expect(page).to have_content(investment1.title)
-        expect(page).to_not have_content(investment2.title)
-        expect(page).to_not have_content(investment3.title)
-        expect(page).to_not have_content(investment4.title)
+        expect(page).not_to have_content(investment2.title)
+        expect(page).not_to have_content(investment3.title)
+        expect(page).not_to have_content(investment4.title)
       end
     end
 
@@ -147,7 +147,7 @@ feature 'Budget Investments' do
       visit budget_investments_path(budget, heading_id: heading.id)
       new_order = eq(all(".budget-investment h3").collect {|i| i.text })
 
-      expect(order).to_not eq(new_order)
+      expect(order).not_to eq(new_order)
     end
 
     scenario "Random order after another order" do
@@ -163,7 +163,7 @@ feature 'Budget Investments' do
       visit budget_investments_path(budget, heading_id: heading.id)
       new_order = eq(all(".budget-investment h3").collect {|i| i.text })
 
-      expect(order).to_not eq(new_order)
+      expect(order).not_to eq(new_order)
     end
 
     scenario 'Random order maintained with pagination', :js do
@@ -370,7 +370,7 @@ feature 'Budget Investments' do
         fill_in "budget_investment_title", with: "item"
 
         within('div#js-suggest') do
-          expect(page).to_not have_content 'You are seeing'
+          expect(page).not_to have_content 'You are seeing'
         end
       end
 
@@ -385,7 +385,7 @@ feature 'Budget Investments' do
         fill_in "budget_investment_title", with: "search"
 
         within('div#js-suggest') do
-          expect(page).to_not have_content 'You are seeing'
+          expect(page).not_to have_content 'You are seeing'
         end
       end
     end
@@ -395,10 +395,10 @@ feature 'Budget Investments' do
 
       visit budget_investments_path(budget, heading_id: heading.id)
 
-      expect(page).to_not have_link('Check my ballot')
-      expect(page).to_not have_css('#progress_bar')
+      expect(page).not_to have_link('Check my ballot')
+      expect(page).not_to have_css('#progress_bar')
       within('#sidebar') do
-        expect(page).to_not have_content('My ballot')
+        expect(page).not_to have_content('My ballot')
       end
     end
   end
@@ -474,9 +474,9 @@ feature 'Budget Investments' do
       budget.update(phase: "selecting")
       visit budget_investment_path(budget_id: budget.id, id: investment.id)
 
-      expect(page).to_not have_content("Unfeasibility explanation")
-      expect(page).to_not have_content("Price explanation")
-      expect(page).to_not have_content(investment.price_explanation)
+      expect(page).not_to have_content("Unfeasibility explanation")
+      expect(page).not_to have_content("Price explanation")
+      expect(page).not_to have_content(investment.price_explanation)
     end
 
     scenario "Budget in balloting phase" do
@@ -582,7 +582,7 @@ feature 'Budget Investments' do
       visit user_path(user)
 
       within("#budget_investment_#{investment.id}") do
-        expect(page).to_not have_link "Delete"
+        expect(page).not_to have_link "Delete"
       end
     end
 
@@ -637,7 +637,7 @@ feature 'Budget Investments' do
         visit budget_investments_path(budget, heading_id: carabanchel.id)
 
         within("#budget_investment_#{carabanchel_investment.id}") do
-          expect(page).to_not have_css(".in-favor a[data-confirm]")
+          expect(page).not_to have_css(".in-favor a[data-confirm]")
         end
       end
 
@@ -830,8 +830,8 @@ feature 'Budget Investments' do
         expect(page).to have_content sp2.title
         expect(page).to have_content sp2.price
 
-        expect(page).to_not have_content sp3.title
-        expect(page).to_not have_content sp3.price
+        expect(page).not_to have_content sp3.title
+        expect(page).not_to have_content sp3.price
       end
 
       within("#budget_group_#{group.id}") do
@@ -841,8 +841,8 @@ feature 'Budget Investments' do
         expect(page).to have_content sp5.title
         expect(page).to have_content "€10,000"
 
-        expect(page).to_not have_content sp6.title
-        expect(page).to_not have_content "€100,000"
+        expect(page).not_to have_content sp6.title
+        expect(page).not_to have_content "€100,000"
       end
     end
 
@@ -870,9 +870,9 @@ feature 'Budget Investments' do
         expect(page).to have_css('.budget-investment', count: 1)
 
         expect(page).to have_content(investment1.title)
-        expect(page).to_not have_content(investment2.title)
-        expect(page).to_not have_content(investment3.title)
-        expect(page).to_not have_content(investment4.title)
+        expect(page).not_to have_content(investment2.title)
+        expect(page).not_to have_content(investment3.title)
+        expect(page).not_to have_content(investment4.title)
       end
     end
 
@@ -911,7 +911,7 @@ feature 'Budget Investments' do
       visit budget_investments_path(budget_id: budget.id, heading_id: heading.id, filter: "unselected")
 
       expect(page).to have_content investment.title
-      expect(page).to_not have_link("Vote")
+      expect(page).not_to have_link("Vote")
     end
 
     scenario "Do not display vote button for unselected investments in show" do
@@ -920,7 +920,7 @@ feature 'Budget Investments' do
       visit budget_investment_path(budget, investment)
 
       expect(page).to have_content investment.title
-      expect(page).to_not have_link("Vote")
+      expect(page).not_to have_link("Vote")
     end
 
     feature "Reclassification" do
diff --git a/spec/features/budgets/results_spec.rb b/spec/features/budgets/results_spec.rb
index 224566f20..178f3007a 100644
--- a/spec/features/budgets/results_spec.rb
+++ b/spec/features/budgets/results_spec.rb
@@ -60,7 +60,7 @@ feature 'Results' do
 
     within("#budget-investments-compatible") do
       expect(page).to have_content investment1.title
-      expect(page).to_not have_content other_investment.title
+      expect(page).not_to have_content other_investment.title
     end
   end
 
diff --git a/spec/features/budgets/votes_spec.rb b/spec/features/budgets/votes_spec.rb
index 95f040bb3..b8ae564e8 100644
--- a/spec/features/budgets/votes_spec.rb
+++ b/spec/features/budgets/votes_spec.rb
@@ -30,11 +30,11 @@ feature 'Votes' do
           end
 
           within("#budget_investment_#{investment2.id}_votes") do
-            expect(page).to_not have_content "You have already supported this. Share it!"
+            expect(page).not_to have_content "You have already supported this. Share it!"
           end
 
           within("#budget_investment_#{investment3.id}_votes") do
-            expect(page).to_not have_content "You have already supported this. Share it!"
+            expect(page).not_to have_content "You have already supported this. Share it!"
           end
         end
       end
@@ -70,7 +70,7 @@ feature 'Votes' do
           find('.in-favor a').click
           expect(page).to have_content "1 support"
 
-          expect(page).to_not have_selector ".in-favor a"
+          expect(page).not_to have_selector ".in-favor a"
         end
       end
 
@@ -94,13 +94,13 @@ feature 'Votes' do
       visit budget_investments_path(budget, heading_id: heading.id)
 
       within("#budget_investment_#{investment.id}") do
-        expect(page).to_not have_css("budget_investment_#{investment.id}_votes")
+        expect(page).not_to have_css("budget_investment_#{investment.id}_votes")
       end
 
       visit budget_investment_path(budget, investment)
 
       within("#budget_investment_#{investment.id}") do
-        expect(page).to_not have_css("budget_investment_#{investment.id}_votes")
+        expect(page).not_to have_css("budget_investment_#{investment.id}_votes")
       end
     end
   end
diff --git a/spec/features/campaigns_spec.rb b/spec/features/campaigns_spec.rb
index 6e9897a6f..9a8935fc1 100644
--- a/spec/features/campaigns_spec.rb
+++ b/spec/features/campaigns_spec.rb
@@ -27,7 +27,7 @@ feature 'Email campaigns' do
     visit admin_stats_path
 
     expect(page).to have_content "#{@campaign1.name} (1)"
-    expect(page).to_not have_content @campaign2.name.to_s
+    expect(page).not_to have_content @campaign2.name.to_s
   end
 
 end
\ No newline at end of file
diff --git a/spec/features/comments/budget_investments_spec.rb b/spec/features/comments/budget_investments_spec.rb
index ae8fc935a..4afb1e680 100644
--- a/spec/features/comments/budget_investments_spec.rb
+++ b/spec/features/comments/budget_investments_spec.rb
@@ -51,7 +51,7 @@ feature 'Commenting Budget::Investments' do
     find("#comment_#{child_comment.id}_children_arrow").trigger('click')
 
     expect(page).to have_css('.comment', count: 2)
-    expect(page).to_not have_content grandchild_comment.body
+    expect(page).not_to have_content grandchild_comment.body
 
     find("#comment_#{child_comment.id}_children_arrow").trigger('click')
 
@@ -61,8 +61,8 @@ feature 'Commenting Budget::Investments' do
     find("#comment_#{parent_comment.id}_children_arrow").trigger('click')
 
     expect(page).to have_css('.comment', count: 1)
-    expect(page).to_not have_content child_comment.body
-    expect(page).to_not have_content grandchild_comment.body
+    expect(page).not_to have_content child_comment.body
+    expect(page).not_to have_content grandchild_comment.body
   end
 
   scenario 'Comment order' do
@@ -147,7 +147,7 @@ feature 'Commenting Budget::Investments' do
     within("ul.pagination") do
       expect(page).to have_content("1")
       expect(page).to have_content("2")
-      expect(page).to_not have_content("3")
+      expect(page).not_to have_content("3")
       click_link "Next", exact: false
     end
 
@@ -161,8 +161,8 @@ feature 'Commenting Budget::Investments' do
 
       expect(page).to have_content 'You must Sign in or Sign up to leave a comment'
       within('#comments') do
-        expect(page).to_not have_content 'Write a comment'
-        expect(page).to_not have_content 'Reply'
+        expect(page).not_to have_content 'Write a comment'
+        expect(page).not_to have_content 'Reply'
       end
     end
   end
@@ -211,7 +211,7 @@ feature 'Commenting Budget::Investments' do
       expect(page).to have_content 'It will be done next week.'
     end
 
-    expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+    expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
   end
 
   scenario 'Errors on reply', :js do
@@ -271,7 +271,7 @@ feature 'Commenting Budget::Investments' do
       expect(page).to have_css("#flag-expand-comment-#{comment.id}")
     end
 
-    expect(Flag.flagged?(user, comment)).to_not be
+    expect(Flag.flagged?(user, comment)).not_to be
   end
 
   scenario "Flagging turbolinks sanity check", :js do
@@ -343,7 +343,7 @@ feature 'Commenting Budget::Investments' do
         expect(page).to have_css "img.moderator-avatar"
       end
 
-      expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+      expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
     end
 
     scenario "can not comment as an administrator" do
@@ -352,7 +352,7 @@ feature 'Commenting Budget::Investments' do
       login_as(moderator.user)
       visit budget_investment_path(investment.budget, investment)
 
-      expect(page).to_not have_content "Comment as administrator"
+      expect(page).not_to have_content "Comment as administrator"
     end
   end
 
@@ -399,7 +399,7 @@ feature 'Commenting Budget::Investments' do
         expect(page).to have_css "img.admin-avatar"
       end
 
-      expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+      expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
     end
 
     scenario "can not comment as a moderator" do
@@ -408,7 +408,7 @@ feature 'Commenting Budget::Investments' do
       login_as(admin.user)
       visit budget_investment_path(investment.budget, investment)
 
-      expect(page).to_not have_content "Comment as moderator"
+      expect(page).not_to have_content "Comment as moderator"
     end
   end
 
diff --git a/spec/features/comments/debates_spec.rb b/spec/features/comments/debates_spec.rb
index 77cab01d9..22a719526 100644
--- a/spec/features/comments/debates_spec.rb
+++ b/spec/features/comments/debates_spec.rb
@@ -51,7 +51,7 @@ feature 'Commenting debates' do
     find("#comment_#{child_comment.id}_children_arrow").trigger('click')
 
     expect(page).to have_css('.comment', count: 2)
-    expect(page).to_not have_content grandchild_comment.body
+    expect(page).not_to have_content grandchild_comment.body
 
     find("#comment_#{child_comment.id}_children_arrow").trigger('click')
 
@@ -61,8 +61,8 @@ feature 'Commenting debates' do
     find("#comment_#{parent_comment.id}_children_arrow").trigger('click')
 
     expect(page).to have_css('.comment', count: 1)
-    expect(page).to_not have_content child_comment.body
-    expect(page).to_not have_content grandchild_comment.body
+    expect(page).not_to have_content child_comment.body
+    expect(page).not_to have_content grandchild_comment.body
   end
 
   scenario 'Comment order' do
@@ -147,7 +147,7 @@ feature 'Commenting debates' do
     within("ul.pagination") do
       expect(page).to have_content("1")
       expect(page).to have_content("2")
-      expect(page).to_not have_content("3")
+      expect(page).not_to have_content("3")
       click_link "Next", exact: false
     end
 
@@ -161,8 +161,8 @@ feature 'Commenting debates' do
 
       expect(page).to have_content 'You must Sign in or Sign up to leave a comment'
       within('#comments') do
-        expect(page).to_not have_content 'Write a comment'
-        expect(page).to_not have_content 'Reply'
+        expect(page).not_to have_content 'Write a comment'
+        expect(page).not_to have_content 'Reply'
       end
     end
   end
@@ -208,7 +208,7 @@ feature 'Commenting debates' do
       expect(page).to have_content 'It will be done next week.'
     end
 
-    expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+    expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
   end
 
   scenario 'Errors on reply', :js do
@@ -268,7 +268,7 @@ feature 'Commenting debates' do
       expect(page).to have_css("#flag-expand-comment-#{comment.id}")
     end
 
-    expect(Flag.flagged?(user, comment)).to_not be
+    expect(Flag.flagged?(user, comment)).not_to be
   end
 
   scenario "Flagging turbolinks sanity check", :js do
@@ -307,7 +307,7 @@ feature 'Commenting debates' do
 
     # The button's text should now be "..."
     # This should be checked before the Ajax request is finished
-    expect(page).to_not have_button 'Publish comment'
+    expect(page).not_to have_button 'Publish comment'
 
     expect(page).to have_content('Testing submit button!')
   end
@@ -355,7 +355,7 @@ feature 'Commenting debates' do
         expect(page).to have_css "img.moderator-avatar"
       end
 
-      expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+      expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
     end
 
     scenario "can not comment as an administrator" do
@@ -364,7 +364,7 @@ feature 'Commenting debates' do
       login_as(moderator.user)
       visit debate_path(debate)
 
-      expect(page).to_not have_content "Comment as administrator"
+      expect(page).not_to have_content "Comment as administrator"
     end
   end
 
@@ -411,7 +411,7 @@ feature 'Commenting debates' do
         expect(page).to have_css "img.admin-avatar"
       end
 
-      expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+      expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
     end
 
     scenario "can not comment as a moderator" do
@@ -420,7 +420,7 @@ feature 'Commenting debates' do
       login_as(admin.user)
       visit debate_path(debate)
 
-      expect(page).to_not have_content "Comment as moderator"
+      expect(page).not_to have_content "Comment as moderator"
     end
   end
 
@@ -501,7 +501,7 @@ feature 'Commenting debates' do
 
         find('.in_favor a').click
         within('.in_favor') do
-          expect(page).to_not have_content "2"
+          expect(page).not_to have_content "2"
           expect(page).to have_content "1"
         end
 
diff --git a/spec/features/comments/legislation_annotations_spec.rb b/spec/features/comments/legislation_annotations_spec.rb
index aad2b90b2..96161c377 100644
--- a/spec/features/comments/legislation_annotations_spec.rb
+++ b/spec/features/comments/legislation_annotations_spec.rb
@@ -58,7 +58,7 @@ feature 'Commenting legislation questions' do
     find("#comment_#{child_comment.id}_children_arrow").trigger('click')
 
     expect(page).to have_css('.comment', count: 2)
-    expect(page).to_not have_content grandchild_comment.body
+    expect(page).not_to have_content grandchild_comment.body
 
     find("#comment_#{child_comment.id}_children_arrow").trigger('click')
 
@@ -68,8 +68,8 @@ feature 'Commenting legislation questions' do
     find("#comment_#{parent_comment.id}_children_arrow").trigger('click')
 
     expect(page).to have_css('.comment', count: 1)
-    expect(page).to_not have_content child_comment.body
-    expect(page).to_not have_content grandchild_comment.body
+    expect(page).not_to have_content child_comment.body
+    expect(page).not_to have_content grandchild_comment.body
   end
 
   scenario 'Comment order' do
@@ -178,7 +178,7 @@ feature 'Commenting legislation questions' do
     within("ul.pagination") do
       expect(page).to have_content("1")
       expect(page).to have_content("2")
-      expect(page).to_not have_content("3")
+      expect(page).not_to have_content("3")
       click_link "Next", exact: false
     end
 
@@ -194,8 +194,8 @@ feature 'Commenting legislation questions' do
 
       expect(page).to have_content 'You must Sign in or Sign up to leave a comment'
       within('#comments') do
-        expect(page).to_not have_content 'Write a comment'
-        expect(page).to_not have_content 'Reply'
+        expect(page).not_to have_content 'Write a comment'
+        expect(page).not_to have_content 'Reply'
       end
     end
   end
@@ -248,7 +248,7 @@ feature 'Commenting legislation questions' do
       expect(page).to have_content 'It will be done next week.'
     end
 
-    expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+    expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
   end
 
   scenario 'Errors on reply', :js do
@@ -317,7 +317,7 @@ feature 'Commenting legislation questions' do
       expect(page).to have_css("#flag-expand-comment-#{comment.id}")
     end
 
-    expect(Flag.flagged?(user, comment)).to_not be
+    expect(Flag.flagged?(user, comment)).not_to be
   end
 
   scenario "Flagging turbolinks sanity check", :js do
@@ -363,7 +363,7 @@ feature 'Commenting legislation questions' do
 
     # The button's text should now be "..."
     # This should be checked before the Ajax request is finished
-    expect(page).to_not have_button 'Publish comment'
+    expect(page).not_to have_button 'Publish comment'
 
     expect(page).to have_content('Testing submit button!')
   end
@@ -416,7 +416,7 @@ feature 'Commenting legislation questions' do
         expect(page).to have_css "img.moderator-avatar"
       end
 
-      expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+      expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
     end
 
     scenario "can not comment as an administrator" do
@@ -427,7 +427,7 @@ feature 'Commenting legislation questions' do
                                                               legislation_annotation.draft_version,
                                                               legislation_annotation)
 
-      expect(page).to_not have_content "Comment as administrator"
+      expect(page).not_to have_content "Comment as administrator"
     end
   end
 
@@ -479,7 +479,7 @@ feature 'Commenting legislation questions' do
         expect(page).to have_css "img.admin-avatar"
       end
 
-      expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+      expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
     end
 
     scenario "can not comment as a moderator" do
@@ -490,7 +490,7 @@ feature 'Commenting legislation questions' do
                                                               legislation_annotation.draft_version,
                                                               legislation_annotation)
 
-      expect(page).to_not have_content "Comment as moderator"
+      expect(page).not_to have_content "Comment as moderator"
     end
   end
 
@@ -579,7 +579,7 @@ feature 'Commenting legislation questions' do
 
         find('.in_favor a').click
         within('.in_favor') do
-          expect(page).to_not have_content "2"
+          expect(page).not_to have_content "2"
           expect(page).to have_content "1"
         end
 
diff --git a/spec/features/comments/legislation_questions_spec.rb b/spec/features/comments/legislation_questions_spec.rb
index b41a9bf47..d0e341498 100644
--- a/spec/features/comments/legislation_questions_spec.rb
+++ b/spec/features/comments/legislation_questions_spec.rb
@@ -58,7 +58,7 @@ feature 'Commenting legislation questions' do
     find("#comment_#{child_comment.id}_children_arrow").trigger('click')
 
     expect(page).to have_css('.comment', count: 2)
-    expect(page).to_not have_content grandchild_comment.body
+    expect(page).not_to have_content grandchild_comment.body
 
     find("#comment_#{child_comment.id}_children_arrow").trigger('click')
 
@@ -68,8 +68,8 @@ feature 'Commenting legislation questions' do
     find("#comment_#{parent_comment.id}_children_arrow").trigger('click')
 
     expect(page).to have_css('.comment', count: 1)
-    expect(page).to_not have_content child_comment.body
-    expect(page).to_not have_content grandchild_comment.body
+    expect(page).not_to have_content child_comment.body
+    expect(page).not_to have_content grandchild_comment.body
   end
 
   scenario 'Comment order' do
@@ -154,7 +154,7 @@ feature 'Commenting legislation questions' do
     within("ul.pagination") do
       expect(page).to have_content("1")
       expect(page).to have_content("2")
-      expect(page).to_not have_content("3")
+      expect(page).not_to have_content("3")
       click_link "Next", exact: false
     end
 
@@ -168,8 +168,8 @@ feature 'Commenting legislation questions' do
 
       expect(page).to have_content 'You must Sign in or Sign up to leave a comment'
       within('#comments') do
-        expect(page).to_not have_content 'Write a comment'
-        expect(page).to_not have_content 'Reply'
+        expect(page).not_to have_content 'Write a comment'
+        expect(page).not_to have_content 'Reply'
       end
     end
   end
@@ -233,7 +233,7 @@ feature 'Commenting legislation questions' do
       expect(page).to have_content 'It will be done next week.'
     end
 
-    expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+    expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
   end
 
   scenario 'Errors on reply', :js do
@@ -293,7 +293,7 @@ feature 'Commenting legislation questions' do
       expect(page).to have_css("#flag-expand-comment-#{comment.id}")
     end
 
-    expect(Flag.flagged?(user, comment)).to_not be
+    expect(Flag.flagged?(user, comment)).not_to be
   end
 
   scenario "Flagging turbolinks sanity check", :js do
@@ -330,7 +330,7 @@ feature 'Commenting legislation questions' do
 
     # The button's text should now be "..."
     # This should be checked before the Ajax request is finished
-    expect(page).to_not have_button 'Publish answer'
+    expect(page).not_to have_button 'Publish answer'
 
     expect(page).to have_content('Testing submit button!')
   end
@@ -378,7 +378,7 @@ feature 'Commenting legislation questions' do
         expect(page).to have_css "img.moderator-avatar"
       end
 
-      expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+      expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
     end
 
     scenario "can not comment as an administrator" do
@@ -387,7 +387,7 @@ feature 'Commenting legislation questions' do
       login_as(moderator.user)
       visit legislation_process_question_path(legislation_question.process, legislation_question)
 
-      expect(page).to_not have_content "Comment as administrator"
+      expect(page).not_to have_content "Comment as administrator"
     end
   end
 
@@ -434,7 +434,7 @@ feature 'Commenting legislation questions' do
         expect(page).to have_css "img.admin-avatar"
       end
 
-      expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+      expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
     end
 
     scenario "can not comment as a moderator" do
@@ -443,7 +443,7 @@ feature 'Commenting legislation questions' do
       login_as(admin.user)
       visit legislation_process_question_path(legislation_question.process, legislation_question)
 
-      expect(page).to_not have_content "Comment as moderator"
+      expect(page).not_to have_content "Comment as moderator"
     end
   end
 
@@ -524,7 +524,7 @@ feature 'Commenting legislation questions' do
 
         find('.in_favor a').click
         within('.in_favor') do
-          expect(page).to_not have_content "2"
+          expect(page).not_to have_content "2"
           expect(page).to have_content "1"
         end
 
diff --git a/spec/features/comments/polls_spec.rb b/spec/features/comments/polls_spec.rb
index 05df65ad0..1a371e9cc 100644
--- a/spec/features/comments/polls_spec.rb
+++ b/spec/features/comments/polls_spec.rb
@@ -52,7 +52,7 @@ feature 'Commenting polls' do
     find("#comment_#{child_comment.id}_children_arrow").trigger('click')
 
     expect(page).to have_css('.comment', count: 2)
-    expect(page).to_not have_content grandchild_comment.body
+    expect(page).not_to have_content grandchild_comment.body
 
     find("#comment_#{child_comment.id}_children_arrow").trigger('click')
 
@@ -62,8 +62,8 @@ feature 'Commenting polls' do
     find("#comment_#{parent_comment.id}_children_arrow").trigger('click')
 
     expect(page).to have_css('.comment', count: 1)
-    expect(page).to_not have_content child_comment.body
-    expect(page).to_not have_content grandchild_comment.body
+    expect(page).not_to have_content child_comment.body
+    expect(page).not_to have_content grandchild_comment.body
   end
 
   scenario 'Comment order' do
@@ -148,7 +148,7 @@ feature 'Commenting polls' do
     within("ul.pagination") do
       expect(page).to have_content("1")
       expect(page).to have_content("2")
-      expect(page).to_not have_content("3")
+      expect(page).not_to have_content("3")
       click_link "Next", exact: false
     end
 
@@ -162,8 +162,8 @@ feature 'Commenting polls' do
 
       expect(page).to have_content 'You must Sign in or Sign up to leave a comment'
       within('#comments') do
-        expect(page).to_not have_content 'Write a comment'
-        expect(page).to_not have_content 'Reply'
+        expect(page).not_to have_content 'Write a comment'
+        expect(page).not_to have_content 'Reply'
       end
     end
   end
@@ -212,7 +212,7 @@ feature 'Commenting polls' do
       expect(page).to have_content 'It will be done next week.'
     end
 
-    expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+    expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
   end
 
   scenario 'Errors on reply', :js do
@@ -276,7 +276,7 @@ feature 'Commenting polls' do
       expect(page).to have_css("#flag-expand-comment-#{comment.id}")
     end
 
-    expect(Flag.flagged?(user, comment)).to_not be
+    expect(Flag.flagged?(user, comment)).not_to be
   end
 
   scenario "Flagging turbolinks sanity check", :js do
@@ -355,7 +355,7 @@ feature 'Commenting polls' do
         expect(page).to have_css "img.moderator-avatar"
       end
 
-      expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+      expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
     end
 
     scenario "can not comment as an administrator" do
@@ -366,7 +366,7 @@ feature 'Commenting polls' do
       login_as(moderator.user)
       visit poll_path(poll)
 
-      expect(page).to_not have_content "Comment as administrator"
+      expect(page).not_to have_content "Comment as administrator"
     end
   end
 
@@ -417,7 +417,7 @@ feature 'Commenting polls' do
         expect(page).to have_css "img.admin-avatar"
       end
 
-      expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+      expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
     end
 
     scenario "can not comment as a moderator" do
@@ -428,7 +428,7 @@ feature 'Commenting polls' do
       login_as(admin.user)
       visit poll_path(poll)
 
-      expect(page).to_not have_content "Comment as moderator"
+      expect(page).not_to have_content "Comment as moderator"
     end
   end
 
diff --git a/spec/features/comments/proposals_spec.rb b/spec/features/comments/proposals_spec.rb
index acba0bec9..959b4b65b 100644
--- a/spec/features/comments/proposals_spec.rb
+++ b/spec/features/comments/proposals_spec.rb
@@ -50,7 +50,7 @@ feature 'Commenting proposals' do
     find("#comment_#{child_comment.id}_children_arrow").trigger('click')
 
     expect(page).to have_css('.comment', count: 2)
-    expect(page).to_not have_content grandchild_comment.body
+    expect(page).not_to have_content grandchild_comment.body
 
     find("#comment_#{child_comment.id}_children_arrow").trigger('click')
 
@@ -60,8 +60,8 @@ feature 'Commenting proposals' do
     find("#comment_#{parent_comment.id}_children_arrow").trigger('click')
 
     expect(page).to have_css('.comment', count: 1)
-    expect(page).to_not have_content child_comment.body
-    expect(page).to_not have_content grandchild_comment.body
+    expect(page).not_to have_content child_comment.body
+    expect(page).not_to have_content grandchild_comment.body
   end
 
   scenario 'Comment order' do
@@ -146,7 +146,7 @@ feature 'Commenting proposals' do
     within("ul.pagination") do
       expect(page).to have_content("1")
       expect(page).to have_content("2")
-      expect(page).to_not have_content("3")
+      expect(page).not_to have_content("3")
       click_link "Next", exact: false
     end
 
@@ -160,8 +160,8 @@ feature 'Commenting proposals' do
 
       expect(page).to have_content 'You must Sign in or Sign up to leave a comment'
       within('#comments') do
-        expect(page).to_not have_content 'Write a comment'
-        expect(page).to_not have_content 'Reply'
+        expect(page).not_to have_content 'Write a comment'
+        expect(page).not_to have_content 'Reply'
       end
     end
   end
@@ -210,7 +210,7 @@ feature 'Commenting proposals' do
       expect(page).to have_content 'It will be done next week.'
     end
 
-    expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+    expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
   end
 
   scenario 'Errors on reply', :js do
@@ -270,7 +270,7 @@ feature 'Commenting proposals' do
       expect(page).to have_css("#flag-expand-comment-#{comment.id}")
     end
 
-    expect(Flag.flagged?(user, comment)).to_not be
+    expect(Flag.flagged?(user, comment)).not_to be
   end
 
   scenario "Flagging turbolinks sanity check", :js do
@@ -342,7 +342,7 @@ feature 'Commenting proposals' do
         expect(page).to have_css "img.moderator-avatar"
       end
 
-      expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+      expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
     end
 
     scenario "can not comment as an administrator" do
@@ -351,7 +351,7 @@ feature 'Commenting proposals' do
       login_as(moderator.user)
       visit proposal_path(proposal)
 
-      expect(page).to_not have_content "Comment as administrator"
+      expect(page).not_to have_content "Comment as administrator"
     end
   end
 
@@ -398,7 +398,7 @@ feature 'Commenting proposals' do
         expect(page).to have_css "img.admin-avatar"
       end
 
-      expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+      expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
     end
 
     scenario "can not comment as a moderator" do
@@ -407,7 +407,7 @@ feature 'Commenting proposals' do
       login_as(admin.user)
       visit proposal_path(proposal)
 
-      expect(page).to_not have_content "Comment as moderator"
+      expect(page).not_to have_content "Comment as moderator"
     end
   end
 
diff --git a/spec/features/comments/topics_spec.rb b/spec/features/comments/topics_spec.rb
index 38971fcff..2d09b5ff4 100644
--- a/spec/features/comments/topics_spec.rb
+++ b/spec/features/comments/topics_spec.rb
@@ -54,7 +54,7 @@ feature 'Commenting topics from proposals' do
     find("#comment_#{child_comment.id}_children_arrow").trigger('click')
 
     expect(page).to have_css('.comment', count: 2)
-    expect(page).to_not have_content grandchild_comment.body
+    expect(page).not_to have_content grandchild_comment.body
 
     find("#comment_#{child_comment.id}_children_arrow").trigger('click')
 
@@ -64,8 +64,8 @@ feature 'Commenting topics from proposals' do
     find("#comment_#{parent_comment.id}_children_arrow").trigger('click')
 
     expect(page).to have_css('.comment', count: 1)
-    expect(page).to_not have_content child_comment.body
-    expect(page).to_not have_content grandchild_comment.body
+    expect(page).not_to have_content child_comment.body
+    expect(page).not_to have_content grandchild_comment.body
   end
 
   scenario 'Comment order' do
@@ -160,7 +160,7 @@ feature 'Commenting topics from proposals' do
     within("ul.pagination") do
       expect(page).to have_content("1")
       expect(page).to have_content("2")
-      expect(page).to_not have_content("3")
+      expect(page).not_to have_content("3")
       click_link "Next", exact: false
     end
 
@@ -177,8 +177,8 @@ feature 'Commenting topics from proposals' do
 
       expect(page).to have_content 'You must Sign in or Sign up to leave a comment'
       within('#comments') do
-        expect(page).to_not have_content 'Write a comment'
-        expect(page).to_not have_content 'Reply'
+        expect(page).not_to have_content 'Write a comment'
+        expect(page).not_to have_content 'Reply'
       end
     end
   end
@@ -233,7 +233,7 @@ feature 'Commenting topics from proposals' do
       expect(page).to have_content 'It will be done next week.'
     end
 
-    expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+    expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
   end
 
   scenario 'Errors on reply', :js do
@@ -301,7 +301,7 @@ feature 'Commenting topics from proposals' do
       expect(page).to have_css("#flag-expand-comment-#{comment.id}")
     end
 
-    expect(Flag.flagged?(user, comment)).to_not be
+    expect(Flag.flagged?(user, comment)).not_to be
   end
 
   scenario "Flagging turbolinks sanity check", :js do
@@ -384,7 +384,7 @@ feature 'Commenting topics from proposals' do
         expect(page).to have_css "img.moderator-avatar"
       end
 
-      expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+      expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
     end
 
     scenario "can not comment as an administrator" do
@@ -395,7 +395,7 @@ feature 'Commenting topics from proposals' do
       login_as(moderator.user)
       visit community_topic_path(community, topic)
 
-      expect(page).to_not have_content "Comment as administrator"
+      expect(page).not_to have_content "Comment as administrator"
     end
   end
 
@@ -446,7 +446,7 @@ feature 'Commenting topics from proposals' do
         expect(page).to have_css "img.admin-avatar"
       end
 
-      expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+      expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
     end
 
     scenario "can not comment as a moderator" do
@@ -457,7 +457,7 @@ feature 'Commenting topics from proposals' do
       login_as(admin.user)
       visit community_topic_path(community, topic)
 
-      expect(page).to_not have_content "Comment as moderator"
+      expect(page).not_to have_content "Comment as moderator"
     end
   end
 
@@ -604,7 +604,7 @@ feature 'Commenting topics from budget investments' do
     find("#comment_#{child_comment.id}_children_arrow").trigger('click')
 
     expect(page).to have_css('.comment', count: 2)
-    expect(page).to_not have_content grandchild_comment.body
+    expect(page).not_to have_content grandchild_comment.body
 
     find("#comment_#{child_comment.id}_children_arrow").trigger('click')
 
@@ -614,8 +614,8 @@ feature 'Commenting topics from budget investments' do
     find("#comment_#{parent_comment.id}_children_arrow").trigger('click')
 
     expect(page).to have_css('.comment', count: 1)
-    expect(page).to_not have_content child_comment.body
-    expect(page).to_not have_content grandchild_comment.body
+    expect(page).not_to have_content child_comment.body
+    expect(page).not_to have_content grandchild_comment.body
   end
 
   scenario 'Comment order' do
@@ -710,7 +710,7 @@ feature 'Commenting topics from budget investments' do
     within("ul.pagination") do
       expect(page).to have_content("1")
       expect(page).to have_content("2")
-      expect(page).to_not have_content("3")
+      expect(page).not_to have_content("3")
       click_link "Next", exact: false
     end
 
@@ -727,8 +727,8 @@ feature 'Commenting topics from budget investments' do
 
       expect(page).to have_content 'You must Sign in or Sign up to leave a comment'
       within('#comments') do
-        expect(page).to_not have_content 'Write a comment'
-        expect(page).to_not have_content 'Reply'
+        expect(page).not_to have_content 'Write a comment'
+        expect(page).not_to have_content 'Reply'
       end
     end
   end
@@ -783,7 +783,7 @@ feature 'Commenting topics from budget investments' do
       expect(page).to have_content 'It will be done next week.'
     end
 
-    expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+    expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
   end
 
   scenario 'Errors on reply', :js do
@@ -851,7 +851,7 @@ feature 'Commenting topics from budget investments' do
       expect(page).to have_css("#flag-expand-comment-#{comment.id}")
     end
 
-    expect(Flag.flagged?(user, comment)).to_not be
+    expect(Flag.flagged?(user, comment)).not_to be
   end
 
   scenario "Flagging turbolinks sanity check", :js do
@@ -934,7 +934,7 @@ feature 'Commenting topics from budget investments' do
         expect(page).to have_css "img.moderator-avatar"
       end
 
-      expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+      expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
     end
 
     scenario "can not comment as an administrator" do
@@ -945,7 +945,7 @@ feature 'Commenting topics from budget investments' do
       login_as(moderator.user)
       visit community_topic_path(community, topic)
 
-      expect(page).to_not have_content "Comment as administrator"
+      expect(page).not_to have_content "Comment as administrator"
     end
   end
 
@@ -996,7 +996,7 @@ feature 'Commenting topics from budget investments' do
         expect(page).to have_css "img.admin-avatar"
       end
 
-      expect(page).to_not have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
+      expect(page).not_to have_selector("#js-comment-form-comment_#{comment.id}", visible: true)
     end
 
     scenario "can not comment as a moderator" do
@@ -1007,7 +1007,7 @@ feature 'Commenting topics from budget investments' do
       login_as(admin.user)
       visit community_topic_path(community, topic)
 
-      expect(page).to_not have_content "Comment as moderator"
+      expect(page).not_to have_content "Comment as moderator"
     end
   end
 
diff --git a/spec/features/debates_spec.rb b/spec/features/debates_spec.rb
index 0d5e4b048..d05fc12e5 100644
--- a/spec/features/debates_spec.rb
+++ b/spec/features/debates_spec.rb
@@ -40,7 +40,7 @@ feature 'Debates' do
     within("ul.pagination") do
       expect(page).to have_content("1")
       expect(page).to have_content("2")
-      expect(page).to_not have_content("3")
+      expect(page).not_to have_content("3")
       click_link "Next", exact: false
     end
 
@@ -172,8 +172,8 @@ feature 'Debates' do
     expect(page).to have_content 'Debate created successfully.'
     expect(page).to have_content 'Testing an attack'
     expect(page.html).to include '<p>This is alert("an attack");</p>'
-    expect(page.html).to_not include '<script>alert("an attack");</script>'
-    expect(page.html).to_not include '&lt;p&gt;This is'
+    expect(page.html).not_to include '<script>alert("an attack");</script>'
+    expect(page.html).not_to include '&lt;p&gt;This is'
   end
 
   scenario 'Autolinking is applied to description' do
@@ -208,13 +208,13 @@ feature 'Debates' do
     expect(page).to have_content 'Testing auto link'
     expect(page).to have_link('http://example.org', href: 'http://example.org')
     expect(page).not_to have_link('click me')
-    expect(page.html).to_not include "<script>alert('hey')</script>"
+    expect(page.html).not_to include "<script>alert('hey')</script>"
 
     click_link 'Edit'
 
     expect(page).to have_current_path(edit_debate_path(Debate.last))
     expect(page).not_to have_link('click me')
-    expect(page.html).to_not include "<script>alert('hey')</script>"
+    expect(page.html).not_to include "<script>alert('hey')</script>"
   end
 
   scenario 'Update should not be posible if logged user is not the author' do
@@ -233,7 +233,7 @@ feature 'Debates' do
     Setting["max_votes_for_debate_edit"] = 2
     3.times { create(:vote, votable: debate) }
 
-    expect(debate).to_not be_editable
+    expect(debate).not_to be_editable
     login_as(debate.author)
 
     visit edit_debate_path(debate)
@@ -303,7 +303,7 @@ feature 'Debates' do
       expect(page).to have_css("#flag-expand-debate-#{debate.id}")
     end
 
-    expect(Flag.flagged?(user, debate)).to_not be
+    expect(Flag.flagged?(user, debate)).not_to be
   end
 
   feature 'Debate index order filters' do
@@ -449,7 +449,7 @@ feature 'Debates' do
 
           expect(page).to have_content(debate1.title)
           expect(page).to have_content(debate2.title)
-          expect(page).to_not have_content(debate3.title)
+          expect(page).not_to have_content(debate3.title)
         end
       end
 
@@ -484,7 +484,7 @@ feature 'Debates' do
         within("#debates") do
           expect(page).to have_content(debate1.title)
           expect(page).to have_content(debate2.title)
-          expect(page).to_not have_content(debate3.title)
+          expect(page).not_to have_content(debate3.title)
         end
       end
 
@@ -509,7 +509,7 @@ feature 'Debates' do
           within("#debates") do
             expect(page).to have_content(debate1.title)
             expect(page).to have_content(debate2.title)
-            expect(page).to_not have_content(debate3.title)
+            expect(page).not_to have_content(debate3.title)
           end
         end
 
@@ -532,7 +532,7 @@ feature 'Debates' do
           within("#debates") do
             expect(page).to have_content(debate1.title)
             expect(page).to have_content(debate2.title)
-            expect(page).to_not have_content(debate3.title)
+            expect(page).not_to have_content(debate3.title)
           end
         end
 
@@ -555,7 +555,7 @@ feature 'Debates' do
           within("#debates") do
             expect(page).to have_content(debate1.title)
             expect(page).to have_content(debate2.title)
-            expect(page).to_not have_content(debate3.title)
+            expect(page).not_to have_content(debate3.title)
           end
         end
 
@@ -578,7 +578,7 @@ feature 'Debates' do
           within("#debates") do
             expect(page).to have_content(debate1.title)
             expect(page).to have_content(debate2.title)
-            expect(page).to_not have_content(debate3.title)
+            expect(page).not_to have_content(debate3.title)
           end
         end
 
@@ -601,7 +601,7 @@ feature 'Debates' do
           within("#debates") do
             expect(page).to have_content(debate1.title)
             expect(page).to have_content(debate2.title)
-            expect(page).to_not have_content(debate3.title)
+            expect(page).not_to have_content(debate3.title)
           end
         end
 
@@ -627,7 +627,7 @@ feature 'Debates' do
 
               expect(page).to have_content(debate1.title)
               expect(page).to have_content(debate2.title)
-              expect(page).to_not have_content(debate3.title)
+              expect(page).not_to have_content(debate3.title)
             end
           end
 
@@ -647,7 +647,7 @@ feature 'Debates' do
 
               expect(page).to have_content(debate1.title)
               expect(page).to have_content(debate2.title)
-              expect(page).to_not have_content(debate3.title)
+              expect(page).not_to have_content(debate3.title)
             end
           end
 
@@ -667,7 +667,7 @@ feature 'Debates' do
 
               expect(page).to have_content(debate1.title)
               expect(page).to have_content(debate2.title)
-              expect(page).to_not have_content(debate3.title)
+              expect(page).not_to have_content(debate3.title)
             end
           end
 
@@ -687,7 +687,7 @@ feature 'Debates' do
 
               expect(page).to have_content(debate1.title)
               expect(page).to have_content(debate2.title)
-              expect(page).to_not have_content(debate3.title)
+              expect(page).not_to have_content(debate3.title)
             end
           end
 
@@ -711,7 +711,7 @@ feature 'Debates' do
 
             expect(page).to have_content(debate1.title)
             expect(page).to have_content(debate2.title)
-            expect(page).to_not have_content(debate3.title)
+            expect(page).not_to have_content(debate3.title)
           end
         end
 
@@ -830,7 +830,7 @@ feature 'Debates' do
         expect(all(".debate")[0].text).to match "Show you got"
         expect(all(".debate")[1].text).to match "Show you got"
         expect(all(".debate")[2].text).to match "Show what you got"
-        expect(page).to_not have_content "Do not display"
+        expect(page).not_to have_content "Do not display"
       end
     end
 
@@ -854,8 +854,8 @@ feature 'Debates' do
       within("#debates") do
         expect(all(".debate")[0].text).to match "Show you got"
         expect(all(".debate")[1].text).to match "Show what you got"
-        expect(page).to_not have_content "Do not display with same tag"
-        expect(page).to_not have_content "Do not display"
+        expect(page).not_to have_content "Do not display with same tag"
+        expect(page).not_to have_content "Do not display"
       end
       Setting['feature.user.recommendations'] = nil
     end
@@ -870,8 +870,8 @@ feature 'Debates' do
         click_button "Search"
       end
 
-      expect(page).to_not have_selector('#debates .debate-featured')
-      expect(page).to_not have_selector('#featured-debates')
+      expect(page).not_to have_selector('#debates .debate-featured')
+      expect(page).not_to have_selector('#featured-debates')
     end
 
   end
@@ -884,7 +884,7 @@ feature 'Debates' do
     expect(page).to have_content "This debate has been flagged as inappropriate by several users."
 
     visit debate_path(good_debate)
-    expect(page).to_not have_content "This debate has been flagged as inappropriate by several users."
+    expect(page).not_to have_content "This debate has been flagged as inappropriate by several users."
   end
 
   scenario 'Erased author' do
@@ -925,7 +925,7 @@ feature 'Debates' do
           expect(page).to have_css('.debate', count: 2)
           expect(page).to have_content(@debate1.title)
           expect(page).to have_content(@debate2.title)
-          expect(page).to_not have_content(@debate3.title)
+          expect(page).not_to have_content(@debate3.title)
         end
       end
 
@@ -940,7 +940,7 @@ feature 'Debates' do
           expect(page).to have_css('.debate', count: 2)
           expect(page).to have_content(@debate1.title)
           expect(page).to have_content(@debate2.title)
-          expect(page).to_not have_content(@debate3.title)
+          expect(page).not_to have_content(@debate3.title)
         end
       end
 
@@ -955,7 +955,7 @@ feature 'Debates' do
           expect(page).to have_css('.debate', count: 2)
           expect(page).to have_content(@debate1.title)
           expect(page).to have_content(@debate2.title)
-          expect(page).to_not have_content(@debate3.title)
+          expect(page).not_to have_content(@debate3.title)
         end
       end
 
@@ -996,7 +996,7 @@ feature 'Debates' do
       check "debate_terms_of_service"
 
       within('div#js-suggest') do
-        expect(page).to_not have_content 'You are seeing'
+        expect(page).not_to have_content 'You are seeing'
       end
     end
   end
@@ -1009,7 +1009,7 @@ feature 'Debates' do
 
     visit debates_path
     within('#debates') do
-      expect(page).to_not have_content 'Featured'
+      expect(page).not_to have_content 'Featured'
     end
 
     click_link debate.title
@@ -1030,7 +1030,7 @@ feature 'Debates' do
     click_link 'Unmark featured'
 
     within('#debates') do
-      expect(page).to_not have_content 'Featured'
+      expect(page).not_to have_content 'Featured'
     end
   end
 
@@ -1056,7 +1056,7 @@ feature 'Debates' do
 
     visit debates_path
     within('#debates') do
-      expect(page).to_not have_content("Featured")
+      expect(page).not_to have_content("Featured")
     end
   end
 
diff --git a/spec/features/direct_messages_spec.rb b/spec/features/direct_messages_spec.rb
index 3c822de5c..d2ebccd87 100644
--- a/spec/features/direct_messages_spec.rb
+++ b/spec/features/direct_messages_spec.rb
@@ -34,7 +34,7 @@ feature 'Direct messages' do
       login_as(sender)
       visit user_path(sender)
 
-      expect(page).to_not have_link "Send private message"
+      expect(page).not_to have_link "Send private message"
     end
 
     scenario "Do not display link if direct message for user not allowed" do
@@ -45,7 +45,7 @@ feature 'Direct messages' do
       visit user_path(receiver)
 
       expect(page).to have_content "This user doesn't accept private messages."
-      expect(page).to_not have_link "Send private message"
+      expect(page).not_to have_link "Send private message"
     end
 
     scenario "Unverified user" do
@@ -56,7 +56,7 @@ feature 'Direct messages' do
       visit new_user_direct_message_path(receiver)
 
       expect(page).to have_content "To send a private message verify your account"
-      expect(page).to_not have_link "Send private message"
+      expect(page).not_to have_link "Send private message"
     end
 
     scenario "User not logged in" do
@@ -66,7 +66,7 @@ feature 'Direct messages' do
       visit new_user_direct_message_path(receiver)
 
       expect(page).to have_content "You must sign in or sign up to continue."
-      expect(page).to_not have_link "Send private message"
+      expect(page).not_to have_link "Send private message"
     end
 
     scenario "Accessing form directly" do
@@ -77,7 +77,7 @@ feature 'Direct messages' do
       visit new_user_direct_message_path(receiver)
 
       expect(page).to have_content("This user has decided not to receive direct messages")
-      expect(page).to_not have_css("#direct_message_title")
+      expect(page).not_to have_css("#direct_message_title")
     end
 
   end
@@ -114,7 +114,7 @@ feature 'Direct messages' do
       click_button "Send message"
 
       expect(page).to have_content "You have reached the maximum number of private messages per day"
-      expect(page).to_not have_content "You message has been sent successfully."
+      expect(page).not_to have_content "You message has been sent successfully."
     end
 
   end
diff --git a/spec/features/emails_spec.rb b/spec/features/emails_spec.rb
index 1792f1058..4c73c74e3 100644
--- a/spec/features/emails_spec.rb
+++ b/spec/features/emails_spec.rb
@@ -189,7 +189,7 @@ feature 'Emails' do
       email = open_last_email
       expect(email).to have_subject('Someone has responded to your comment')
       expect(email).to deliver_to(user)
-      expect(email).to_not have_body_text(debate_path(Comment.first.commentable))
+      expect(email).not_to have_body_text(debate_path(Comment.first.commentable))
       expect(email).to have_body_text(comment_path(Comment.last))
       expect(email).to have_body_text(I18n.t("mailers.config.manage_email_subscriptions"))
       expect(email).to have_body_text(account_path)
@@ -327,7 +327,7 @@ feature 'Emails' do
       expect(email).to have_body_text(/#{proposal_path(proposal2, anchor: 'social-share')}/)
       expect(email).to have_body_text(proposal2.author.name)
 
-      expect(email).to_not have_body_text(proposal3.title)
+      expect(email).not_to have_body_text(proposal3.title)
       expect(email).to have_body_text(/#{account_path}/)
 
       notification1.reload
@@ -434,7 +434,7 @@ feature 'Emails' do
 
       expect(find_email(investment1.author.email)).to be
       expect(find_email(investment2.author.email)).to be
-      expect(find_email(investment3.author.email)).to_not be
+      expect(find_email(investment3.author.email)).not_to be
 
       email = open_last_email
       investment = investment2
@@ -457,7 +457,7 @@ feature 'Emails' do
 
       expect(find_email(investment1.author.email)).to be
       expect(find_email(investment2.author.email)).to be
-      expect(find_email(investment3.author.email)).to_not be
+      expect(find_email(investment3.author.email)).not_to be
 
       email = open_last_email
       investment = investment2
@@ -493,7 +493,7 @@ feature 'Emails' do
       email = open_last_email
       expect(email).to have_subject('Someone has responded to your comment')
       expect(email).to deliver_to(user1)
-      expect(email).to_not have_body_text(poll_path(poll))
+      expect(email).not_to have_body_text(poll_path(poll))
       expect(email).to have_body_text(comment_path(Comment.last))
       expect(email).to have_body_text(I18n.t("mailers.config.manage_email_subscriptions"))
       expect(email).to have_body_text(account_path)
diff --git a/spec/features/legislation/draft_versions_spec.rb b/spec/features/legislation/draft_versions_spec.rb
index dcc3705f2..2effaa5d0 100644
--- a/spec/features/legislation/draft_versions_spec.rb
+++ b/spec/features/legislation/draft_versions_spec.rb
@@ -26,7 +26,7 @@ feature 'Legislation Draft Versions' do
       within('select#draft_version_id') do
         expect(page).to have_content("Version 1")
         expect(page).to have_content("Version 2")
-        expect(page).to_not have_content("Version 3")
+        expect(page).not_to have_content("Version 3")
       end
     end
 
@@ -51,7 +51,7 @@ feature 'Legislation Draft Versions' do
       select("Version 2")
       click_button "see"
 
-      expect(page).to_not have_content("Body of the first version")
+      expect(page).not_to have_content("Body of the first version")
       expect(page).to have_content("Body of the second version")
     end
 
@@ -61,7 +61,7 @@ feature 'Legislation Draft Versions' do
 
       select("Version 2")
 
-      expect(page).to_not have_content("Body of the first version")
+      expect(page).not_to have_content("Body of the first version")
       expect(page).to have_content("Body of the second version")
     end
 
@@ -73,8 +73,8 @@ feature 'Legislation Draft Versions' do
         visit legislation_process_draft_version_path(@process, final_version)
 
         expect(page).to have_content("Final body")
-        expect(page).to_not have_content("See all comments")
-        expect(page).to_not have_content("Comments")
+        expect(page).not_to have_content("See all comments")
+        expect(page).not_to have_content("Comments")
       end
     end
   end
@@ -98,7 +98,7 @@ feature 'Legislation Draft Versions' do
       within('select#draft_version_id') do
         expect(page).to have_content("Version 1")
         expect(page).to have_content("Version 2")
-        expect(page).to_not have_content("Version 3")
+        expect(page).not_to have_content("Version 3")
       end
     end
 
@@ -123,7 +123,7 @@ feature 'Legislation Draft Versions' do
       select("Version 2")
       click_button "see"
 
-      expect(page).to_not have_content("Changes for first version")
+      expect(page).not_to have_content("Changes for first version")
       expect(page).to have_content("Changes for second version")
     end
 
@@ -133,7 +133,7 @@ feature 'Legislation Draft Versions' do
 
       select("Version 2")
 
-      expect(page).to_not have_content("Changes for first version")
+      expect(page).not_to have_content("Changes for first version")
       expect(page).to have_content("Changes for second version")
     end
   end
@@ -151,7 +151,7 @@ feature 'Legislation Draft Versions' do
 
       page.find(:css, ".legislation-annotatable").double_click
       page.find(:css, ".annotator-adder button").click
-      expect(page).to_not have_css('#legislation_annotation_text')
+      expect(page).not_to have_css('#legislation_annotation_text')
       expect(page).to have_content "You must Sign in or Sign up to leave a comment."
     end
 
@@ -279,7 +279,7 @@ feature 'Legislation Draft Versions' do
         select("Version 2")
         click_button "see"
 
-        expect(page).to_not have_content("quote for version 1")
+        expect(page).not_to have_content("quote for version 1")
         expect(page).to have_content("quote for version 2")
       end
 
@@ -289,7 +289,7 @@ feature 'Legislation Draft Versions' do
 
         select("Version 2")
 
-        expect(page).to_not have_content("quote for version 1")
+        expect(page).not_to have_content("quote for version 1")
         expect(page).to have_content("quote for version 2")
       end
     end
@@ -307,8 +307,8 @@ feature 'Legislation Draft Versions' do
     scenario "See one annotation with replies for a draft version" do
       visit legislation_process_draft_version_annotation_path(@draft_version.process, @draft_version, @annotation)
 
-      expect(page).to_not have_content "ipsum"
-      expect(page).to_not have_content "my annotation"
+      expect(page).not_to have_content "ipsum"
+      expect(page).not_to have_content "my annotation"
 
       expect(page).to have_content "audiam"
       expect(page).to have_content "my other annotation"
diff --git a/spec/features/legislation/processes_spec.rb b/spec/features/legislation/processes_spec.rb
index 4206657a9..79565d110 100644
--- a/spec/features/legislation/processes_spec.rb
+++ b/spec/features/legislation/processes_spec.rb
@@ -13,7 +13,7 @@ feature 'Legislation' do
       visit send(path, not_published_process)
 
       expect(page).to have_content not_permission_message
-      expect(page).to_not have_content("Process not published")
+      expect(page).not_to have_content("Process not published")
     end
 
     it "is available for an administrator user" do
@@ -54,17 +54,17 @@ feature 'Legislation' do
 
       visit legislation_processes_path
       expect(page).to have_content('Process open')
-      expect(page).to_not have_content('Process next')
-      expect(page).to_not have_content('Process past')
+      expect(page).not_to have_content('Process next')
+      expect(page).not_to have_content('Process past')
 
       visit legislation_processes_path(filter: 'next')
-      expect(page).to_not have_content('Process open')
+      expect(page).not_to have_content('Process open')
       expect(page).to have_content('Process next')
-      expect(page).to_not have_content('Process past')
+      expect(page).not_to have_content('Process past')
 
       visit legislation_processes_path(filter: 'past')
-      expect(page).to_not have_content('Process open')
-      expect(page).to_not have_content('Process next')
+      expect(page).not_to have_content('Process open')
+      expect(page).not_to have_content('Process next')
       expect(page).to have_content('Process past')
     end
 
@@ -80,34 +80,34 @@ feature 'Legislation' do
 
       it "aren't listed" do
         visit legislation_processes_path
-        expect(page).to_not have_content('not published')
+        expect(page).not_to have_content('not published')
         expect(page).to have_content('published')
 
         login_as(administrator)
         visit legislation_processes_path
-        expect(page).to_not have_content('not published')
+        expect(page).not_to have_content('not published')
         expect(page).to have_content('published')
       end
 
       it "aren't listed with next filter" do
         visit legislation_processes_path(filter: 'next')
-        expect(page).to_not have_content('not published')
+        expect(page).not_to have_content('not published')
         expect(page).to have_content('next published')
 
         login_as(administrator)
         visit legislation_processes_path(filter: 'next')
-        expect(page).to_not have_content('not published')
+        expect(page).not_to have_content('not published')
         expect(page).to have_content('next published')
       end
 
       it "aren't listed with past filter" do
         visit legislation_processes_path(filter: 'past')
-        expect(page).to_not have_content('not published')
+        expect(page).not_to have_content('not published')
         expect(page).to have_content('past published')
 
         login_as(administrator)
         visit legislation_processes_path(filter: 'past')
-        expect(page).to_not have_content('not published')
+        expect(page).not_to have_content('not published')
         expect(page).to have_content('past published')
       end
     end
diff --git a/spec/features/legislation/questions_spec.rb b/spec/features/legislation/questions_spec.rb
index 2790481ea..42e731fbf 100644
--- a/spec/features/legislation/questions_spec.rb
+++ b/spec/features/legislation/questions_spec.rb
@@ -31,7 +31,7 @@ feature 'Legislation' do
       click_link "Next question"
 
       expect(page).to have_content("Question 3")
-      expect(page).to_not have_content("Next question")
+      expect(page).not_to have_content("Next question")
     end
 
     scenario 'shows question page' do
@@ -55,7 +55,7 @@ feature 'Legislation' do
       click_link "Next question"
 
       expect(page).to have_content("Question 3")
-      expect(page).to_not have_content("Next question")
+      expect(page).not_to have_content("Next question")
     end
 
     scenario 'answer question' do
@@ -79,10 +79,10 @@ feature 'Legislation' do
 
       within(:css, "label.active") do
         expect(page).to have_content("I don't know")
-        expect(page).to_not have_content("Yes")
-        expect(page).to_not have_content("No")
+        expect(page).not_to have_content("Yes")
+        expect(page).not_to have_content("No")
       end
-      expect(page).to_not have_selector(:link_or_button, "Submit answer")
+      expect(page).not_to have_selector(:link_or_button, "Submit answer")
 
       expect(question.reload.answers_count).to eq(1)
       expect(option.reload.answers_count).to eq(1)
@@ -104,7 +104,7 @@ feature 'Legislation' do
       expect(page).to have_selector(:radio_button, "No", disabled: true)
       expect(page).to have_selector(:radio_button, "I don't know", disabled: true)
 
-      expect(page).to_not have_selector(:link_or_button, "Submit answer")
+      expect(page).not_to have_selector(:link_or_button, "Submit answer")
     end
   end
 end
diff --git a/spec/features/localization_spec.rb b/spec/features/localization_spec.rb
index d9470c653..5c6098481 100644
--- a/spec/features/localization_spec.rb
+++ b/spec/features/localization_spec.rb
@@ -29,7 +29,7 @@ feature 'Localization' do
 
     select('Español', from: 'locale-switcher')
     expect(page).to have_content('Idioma')
-    expect(page).to_not have_content('Language')
+    expect(page).not_to have_content('Language')
     expect(page).to have_select('locale-switcher', selected: 'Español')
   end
 
@@ -37,7 +37,7 @@ feature 'Localization' do
     allow(I18n).to receive(:available_locales).and_return([:en])
 
     visit '/'
-    expect(page).to_not have_content('Language')
-    expect(page).to_not have_css('div.locale')
+    expect(page).not_to have_content('Language')
+    expect(page).not_to have_css('div.locale')
   end
 end
diff --git a/spec/features/management/budget_investments_spec.rb b/spec/features/management/budget_investments_spec.rb
index 714f32132..27aa25f8d 100644
--- a/spec/features/management/budget_investments_spec.rb
+++ b/spec/features/management/budget_investments_spec.rb
@@ -83,7 +83,7 @@ feature 'Budget Investments' do
       within("#budget-investments") do
         expect(page).to have_css('.budget-investment', count: 1)
         expect(page).to have_content(budget_investment1.title)
-        expect(page).to_not have_content(budget_investment2.title)
+        expect(page).not_to have_content(budget_investment2.title)
         expect(page).to have_css("a[href='#{management_budget_investment_path(@budget, budget_investment1)}']",
                                  text: budget_investment1.title)
       end
@@ -109,7 +109,7 @@ feature 'Budget Investments' do
 
       within("#budget-investments") do
         expect(page).to have_css('.budget-investment', count: 1)
-        expect(page).to_not have_content(budget_investment1.title)
+        expect(page).not_to have_content(budget_investment1.title)
         expect(page).to have_content(budget_investment2.title)
         expect(page).to have_css("a[href='#{management_budget_investment_path(@budget, budget_investment2)}']",
                                  text: budget_investment2.title)
@@ -162,12 +162,12 @@ feature 'Budget Investments' do
 
     expect(page).to have_content(accepting_budget.name)
 
-    expect(page).to_not have_content(reviewing_budget.name)
-    expect(page).to_not have_content(selecting_budget.name)
-    expect(page).to_not have_content(valuating_budget.name)
-    expect(page).to_not have_content(balloting_budget.name)
-    expect(page).to_not have_content(reviewing_ballots_budget.name)
-    expect(page).to_not have_content(finished.name)
+    expect(page).not_to have_content(reviewing_budget.name)
+    expect(page).not_to have_content(selecting_budget.name)
+    expect(page).not_to have_content(valuating_budget.name)
+    expect(page).not_to have_content(balloting_budget.name)
+    expect(page).not_to have_content(reviewing_ballots_budget.name)
+    expect(page).not_to have_content(finished.name)
   end
 
   scenario "Listing - admins can see budgets in accepting, reviewing and selecting phases" do
@@ -195,10 +195,10 @@ feature 'Budget Investments' do
     expect(page).to have_content(reviewing_budget.name)
     expect(page).to have_content(selecting_budget.name)
 
-    expect(page).to_not have_content(valuating_budget.name)
-    expect(page).to_not have_content(balloting_budget.name)
-    expect(page).to_not have_content(reviewing_ballots_budget.name)
-    expect(page).to_not have_content(finished.name)
+    expect(page).not_to have_content(valuating_budget.name)
+    expect(page).not_to have_content(balloting_budget.name)
+    expect(page).not_to have_content(reviewing_ballots_budget.name)
+    expect(page).not_to have_content(finished.name)
   end
 
   context "Supporting" do
@@ -300,7 +300,7 @@ feature 'Budget Investments' do
       click_button("Search")
 
       within '#budget-investments' do
-        expect(page).to_not have_content(unvoted_investment.title)
+        expect(page).not_to have_content(unvoted_investment.title)
         expect(top_investment.title).to appear_before(mid_investment.title)
         expect(mid_investment.title).to appear_before(low_investment.title)
       end
diff --git a/spec/features/management/email_verifications_spec.rb b/spec/features/management/email_verifications_spec.rb
index d68d9bd5f..a5bd4d40e 100644
--- a/spec/features/management/email_verifications_spec.rb
+++ b/spec/features/management/email_verifications_spec.rb
@@ -27,7 +27,7 @@ feature 'EmailVerifications' do
 
     expect(page).to have_content "You are a verified user"
 
-    expect(page).to_not have_link "Verify my account"
+    expect(page).not_to have_link "Verify my account"
     expect(page).to have_content "Account verified"
 
     expect(user.reload.document_number).to eq('12345678Z')
diff --git a/spec/features/management/localization_spec.rb b/spec/features/management/localization_spec.rb
index 4f00a23dd..dacff366e 100644
--- a/spec/features/management/localization_spec.rb
+++ b/spec/features/management/localization_spec.rb
@@ -34,7 +34,7 @@ feature 'Localization' do
 
     select('Español', from: 'locale-switcher')
     expect(page).to have_content('Idioma')
-    expect(page).to_not have_content('Language')
+    expect(page).not_to have_content('Language')
     expect(page).to have_select('locale-switcher', selected: 'Español')
   end
 
@@ -42,7 +42,7 @@ feature 'Localization' do
     allow(I18n).to receive(:available_locales).and_return([:en])
 
     visit management_root_path
-    expect(page).to_not have_content('Language')
-    expect(page).to_not have_css('div.locale')
+    expect(page).not_to have_content('Language')
+    expect(page).not_to have_css('div.locale')
   end
 end
diff --git a/spec/features/management/managed_users_spec.rb b/spec/features/management/managed_users_spec.rb
index 13c04b010..3bd429e0f 100644
--- a/spec/features/management/managed_users_spec.rb
+++ b/spec/features/management/managed_users_spec.rb
@@ -101,7 +101,7 @@ feature 'Managed User' do
       click_button 'Create user'
 
       expect(page).to have_content "We have sent an email"
-      expect(page).to_not have_content "Autogenerated password is"
+      expect(page).not_to have_content "Autogenerated password is"
 
       user = User.last
       within(".account-info") do
@@ -128,7 +128,7 @@ feature 'Managed User' do
 
       click_button 'Create user'
 
-      expect(page).to_not have_content "We have sent an email"
+      expect(page).not_to have_content "We have sent an email"
       expect(page).to have_content "Autogenerated password is"
 
       user = User.last
@@ -157,8 +157,8 @@ feature 'Managed User' do
     end
 
     expect(page).to have_content "User session signed out successfully."
-    expect(page).to_not have_content "Identified as"
-    expect(page).to_not have_content user.username.to_s
+    expect(page).not_to have_content "Identified as"
+    expect(page).not_to have_content user.username.to_s
     expect(page).to have_current_path(management_root_path)
   end
 
diff --git a/spec/features/management/proposals_spec.rb b/spec/features/management/proposals_spec.rb
index d73b14b06..02eaa18c1 100644
--- a/spec/features/management/proposals_spec.rb
+++ b/spec/features/management/proposals_spec.rb
@@ -101,7 +101,7 @@ feature 'Proposals' do
       expect(page).to have_css('.proposal', count: 1)
       expect(page).to have_content(proposal1.title)
       expect(page).to have_content(proposal1.summary)
-      expect(page).to_not have_content(proposal2.title)
+      expect(page).not_to have_content(proposal2.title)
       expect(page).to have_css("a[href='#{management_proposal_path(proposal1)}']", text: proposal1.title)
     end
   end
diff --git a/spec/features/management/users_spec.rb b/spec/features/management/users_spec.rb
index 8060f33cb..0761c3136 100644
--- a/spec/features/management/users_spec.rb
+++ b/spec/features/management/users_spec.rb
@@ -22,13 +22,13 @@ feature 'Users' do
     click_button 'Create user'
 
     expect(page).to have_content "We have sent an email"
-    expect(page).to_not have_content "Autogenerated password is"
+    expect(page).not_to have_content "Autogenerated password is"
 
     user = User.find_by(email: 'pepe@gmail.com')
 
     expect(user).to be_level_three_verified
     expect(user).to be_residence_verified
-    expect(user).to_not be_confirmed
+    expect(user).not_to be_confirmed
     expect(user.date_of_birth).to have_content Date.new(1980, 12, 31)
 
     sent_token = /.*confirmation_token=(.*)".*/.match(ActionMailer::Base.deliveries.last.body.to_s)[1]
@@ -61,7 +61,7 @@ feature 'Users' do
 
     click_button 'Create user'
 
-    expect(page).to_not have_content "We have sent an email"
+    expect(page).not_to have_content "We have sent an email"
     expect(page).to have_content "Autogenerated password is"
 
     user = User.find_by(username: 'Kelly Sue')
@@ -79,7 +79,7 @@ feature 'Users' do
     fill_in 'document_verification_document_number', with: '12345678Z'
     click_button 'Check'
 
-    expect(page).to_not have_content "This user account is already verified."
+    expect(page).not_to have_content "This user account is already verified."
     expect(page).to have_content "This user can participate in the website with the following permissions"
 
     click_link "Delete user"
diff --git a/spec/features/moderation/comments_spec.rb b/spec/features/moderation/comments_spec.rb
index 2bf89bfaa..72f1f55f9 100644
--- a/spec/features/moderation/comments_spec.rb
+++ b/spec/features/moderation/comments_spec.rb
@@ -20,8 +20,8 @@ feature 'Moderate comments' do
     visit debate_path(comment.commentable)
 
     expect(page).to have_css('.comment', count: 1)
-    expect(page).to_not have_content('This comment has been deleted')
-    expect(page).to_not have_content('SPAM')
+    expect(page).not_to have_content('This comment has been deleted')
+    expect(page).not_to have_content('SPAM')
   end
 
   scenario 'Can not hide own comment' do
@@ -32,8 +32,8 @@ feature 'Moderate comments' do
     visit debate_path(comment.commentable)
 
     within("#comment_#{comment.id}") do
-      expect(page).to_not have_link('Hide')
-      expect(page).to_not have_link('Block author')
+      expect(page).not_to have_link('Hide')
+      expect(page).not_to have_link('Block author')
     end
   end
 
@@ -57,29 +57,29 @@ feature 'Moderate comments' do
             check "comment_#{@comment.id}_check"
           end
 
-          expect(page).to_not have_css("comment_#{@comment.id}")
+          expect(page).not_to have_css("comment_#{@comment.id}")
         end
 
         scenario 'Hide the comment' do
           click_on "Hide comments"
-          expect(page).to_not have_css("comment_#{@comment.id}")
+          expect(page).not_to have_css("comment_#{@comment.id}")
           expect(@comment.reload).to be_hidden
-          expect(@comment.user).to_not be_hidden
+          expect(@comment.user).not_to be_hidden
         end
 
         scenario 'Block the user' do
           click_on "Block authors"
-          expect(page).to_not have_css("comment_#{@comment.id}")
+          expect(page).not_to have_css("comment_#{@comment.id}")
           expect(@comment.reload).to be_hidden
           expect(@comment.user).to be_hidden
         end
 
         scenario 'Ignore the comment' do
           click_on "Mark as viewed"
-          expect(page).to_not have_css("comment_#{@comment.id}")
+          expect(page).not_to have_css("comment_#{@comment.id}")
           expect(@comment.reload).to be_ignored_flag
-          expect(@comment.reload).to_not be_hidden
-          expect(@comment.user).to_not be_hidden
+          expect(@comment.reload).not_to be_hidden
+          expect(@comment.user).not_to be_hidden
         end
       end
 
@@ -95,7 +95,7 @@ feature 'Moderate comments' do
         within('.js-check') { click_on 'None' }
 
         all('input[type=checkbox]').each do |checkbox|
-          expect(checkbox).to_not be_checked
+          expect(checkbox).not_to be_checked
         end
       end
 
@@ -116,13 +116,13 @@ feature 'Moderate comments' do
 
     scenario "Current filter is properly highlighted" do
       visit moderation_comments_path
-      expect(page).to_not have_link('Pending')
+      expect(page).not_to have_link('Pending')
       expect(page).to have_link('All')
       expect(page).to have_link('Marked as viewed')
 
       visit moderation_comments_path(filter: 'all')
       within('.menu.simple') do
-        expect(page).to_not have_link('All')
+        expect(page).not_to have_link('All')
         expect(page).to have_link('Pending')
         expect(page).to have_link('Marked as viewed')
       end
@@ -130,7 +130,7 @@ feature 'Moderate comments' do
       visit moderation_comments_path(filter: 'pending_flag_review')
       within('.menu.simple') do
         expect(page).to have_link('All')
-        expect(page).to_not have_link('Pending')
+        expect(page).not_to have_link('Pending')
         expect(page).to have_link('Marked as viewed')
       end
 
@@ -138,7 +138,7 @@ feature 'Moderate comments' do
       within('.menu.simple') do
         expect(page).to have_link('All')
         expect(page).to have_link('Pending')
-        expect(page).to_not have_link('Marked as viewed')
+        expect(page).not_to have_link('Marked as viewed')
       end
     end
 
@@ -151,19 +151,19 @@ feature 'Moderate comments' do
       visit moderation_comments_path(filter: 'all')
       expect(page).to have_content('Regular comment')
       expect(page).to have_content('Pending comment')
-      expect(page).to_not have_content('Hidden comment')
+      expect(page).not_to have_content('Hidden comment')
       expect(page).to have_content('Ignored comment')
 
       visit moderation_comments_path(filter: 'pending_flag_review')
-      expect(page).to_not have_content('Regular comment')
+      expect(page).not_to have_content('Regular comment')
       expect(page).to have_content('Pending comment')
-      expect(page).to_not have_content('Hidden comment')
-      expect(page).to_not have_content('Ignored comment')
+      expect(page).not_to have_content('Hidden comment')
+      expect(page).not_to have_content('Ignored comment')
 
       visit moderation_comments_path(filter: 'with_ignored_flag')
-      expect(page).to_not have_content('Regular comment')
-      expect(page).to_not have_content('Pending comment')
-      expect(page).to_not have_content('Hidden comment')
+      expect(page).not_to have_content('Regular comment')
+      expect(page).not_to have_content('Pending comment')
+      expect(page).not_to have_content('Hidden comment')
       expect(page).to have_content('Ignored comment')
     end
 
diff --git a/spec/features/moderation/debates_spec.rb b/spec/features/moderation/debates_spec.rb
index f62ccd76b..b31d361b4 100644
--- a/spec/features/moderation/debates_spec.rb
+++ b/spec/features/moderation/debates_spec.rb
@@ -41,8 +41,8 @@ feature 'Moderate debates' do
     visit debate_path(debate)
 
     within("#debate_#{debate.id}") do
-      expect(page).to_not have_link('Hide')
-      expect(page).to_not have_link('Block author')
+      expect(page).not_to have_link('Hide')
+      expect(page).not_to have_link('Block author')
     end
   end
 
@@ -66,29 +66,29 @@ feature 'Moderate debates' do
             check "debate_#{@debate.id}_check"
           end
 
-          expect(page).to_not have_css("debate_#{@debate.id}")
+          expect(page).not_to have_css("debate_#{@debate.id}")
         end
 
         scenario 'Hide the debate' do
           click_on "Hide debates"
-          expect(page).to_not have_css("debate_#{@debate.id}")
+          expect(page).not_to have_css("debate_#{@debate.id}")
           expect(@debate.reload).to be_hidden
-          expect(@debate.author).to_not be_hidden
+          expect(@debate.author).not_to be_hidden
         end
 
         scenario 'Block the author' do
           click_on "Block authors"
-          expect(page).to_not have_css("debate_#{@debate.id}")
+          expect(page).not_to have_css("debate_#{@debate.id}")
           expect(@debate.reload).to be_hidden
           expect(@debate.author).to be_hidden
         end
 
         scenario 'Ignore the debate' do
           click_on "Mark as viewed"
-          expect(page).to_not have_css("debate_#{@debate.id}")
+          expect(page).not_to have_css("debate_#{@debate.id}")
           expect(@debate.reload).to be_ignored_flag
-          expect(@debate.reload).to_not be_hidden
-          expect(@debate.author).to_not be_hidden
+          expect(@debate.reload).not_to be_hidden
+          expect(@debate.author).not_to be_hidden
         end
       end
 
@@ -104,7 +104,7 @@ feature 'Moderate debates' do
         within('.js-check') { click_on 'None' }
 
         all('input[type=checkbox]').each do |checkbox|
-          expect(checkbox).to_not be_checked
+          expect(checkbox).not_to be_checked
         end
       end
 
@@ -125,13 +125,13 @@ feature 'Moderate debates' do
 
     scenario "Current filter is properly highlighted" do
       visit moderation_debates_path
-      expect(page).to_not have_link('Pending')
+      expect(page).not_to have_link('Pending')
       expect(page).to have_link('All')
       expect(page).to have_link('Marked as viewed')
 
       visit moderation_debates_path(filter: 'all')
       within('.menu.simple') do
-        expect(page).to_not have_link('All')
+        expect(page).not_to have_link('All')
         expect(page).to have_link('Pending')
         expect(page).to have_link('Marked as viewed')
       end
@@ -139,7 +139,7 @@ feature 'Moderate debates' do
       visit moderation_debates_path(filter: 'pending_flag_review')
       within('.menu.simple') do
         expect(page).to have_link('All')
-        expect(page).to_not have_link('Pending')
+        expect(page).not_to have_link('Pending')
         expect(page).to have_link('Marked as viewed')
       end
 
@@ -147,7 +147,7 @@ feature 'Moderate debates' do
       within('.menu.simple') do
         expect(page).to have_link('All')
         expect(page).to have_link('Pending')
-        expect(page).to_not have_link('Marked as viewed')
+        expect(page).not_to have_link('Marked as viewed')
       end
     end
 
@@ -160,19 +160,19 @@ feature 'Moderate debates' do
       visit moderation_debates_path(filter: 'all')
       expect(page).to have_content('Regular debate')
       expect(page).to have_content('Pending debate')
-      expect(page).to_not have_content('Hidden debate')
+      expect(page).not_to have_content('Hidden debate')
       expect(page).to have_content('Ignored debate')
 
       visit moderation_debates_path(filter: 'pending_flag_review')
-      expect(page).to_not have_content('Regular debate')
+      expect(page).not_to have_content('Regular debate')
       expect(page).to have_content('Pending debate')
-      expect(page).to_not have_content('Hidden debate')
-      expect(page).to_not have_content('Ignored debate')
+      expect(page).not_to have_content('Hidden debate')
+      expect(page).not_to have_content('Ignored debate')
 
       visit moderation_debates_path(filter: 'with_ignored_flag')
-      expect(page).to_not have_content('Regular debate')
-      expect(page).to_not have_content('Pending debate')
-      expect(page).to_not have_content('Hidden debate')
+      expect(page).not_to have_content('Regular debate')
+      expect(page).not_to have_content('Pending debate')
+      expect(page).not_to have_content('Hidden debate')
       expect(page).to have_content('Ignored debate')
     end
 
diff --git a/spec/features/moderation/proposals_spec.rb b/spec/features/moderation/proposals_spec.rb
index eb2e0e247..60ea01dbc 100644
--- a/spec/features/moderation/proposals_spec.rb
+++ b/spec/features/moderation/proposals_spec.rb
@@ -41,8 +41,8 @@ feature 'Moderate proposals' do
     visit proposal_path(proposal)
 
     within("#proposal_#{proposal.id}") do
-      expect(page).to_not have_link('Hide')
-      expect(page).to_not have_link('Block author')
+      expect(page).not_to have_link('Hide')
+      expect(page).not_to have_link('Block author')
     end
   end
 
@@ -66,29 +66,29 @@ feature 'Moderate proposals' do
             check "proposal_#{@proposal.id}_check"
           end
 
-          expect(page).to_not have_css("proposal_#{@proposal.id}")
+          expect(page).not_to have_css("proposal_#{@proposal.id}")
         end
 
         scenario 'Hide the proposal' do
           click_on "Hide proposals"
-          expect(page).to_not have_css("proposal_#{@proposal.id}")
+          expect(page).not_to have_css("proposal_#{@proposal.id}")
           expect(@proposal.reload).to be_hidden
-          expect(@proposal.author).to_not be_hidden
+          expect(@proposal.author).not_to be_hidden
         end
 
         scenario 'Block the author' do
           click_on "Block authors"
-          expect(page).to_not have_css("proposal_#{@proposal.id}")
+          expect(page).not_to have_css("proposal_#{@proposal.id}")
           expect(@proposal.reload).to be_hidden
           expect(@proposal.author).to be_hidden
         end
 
         scenario 'Ignore the proposal' do
           click_button "Mark as viewed"
-          expect(page).to_not have_css("proposal_#{@proposal.id}")
+          expect(page).not_to have_css("proposal_#{@proposal.id}")
           expect(@proposal.reload).to be_ignored_flag
-          expect(@proposal.reload).to_not be_hidden
-          expect(@proposal.author).to_not be_hidden
+          expect(@proposal.reload).not_to be_hidden
+          expect(@proposal.author).not_to be_hidden
         end
       end
 
@@ -104,7 +104,7 @@ feature 'Moderate proposals' do
         within('.js-check') { click_on 'None' }
 
         all('input[type=checkbox]').each do |checkbox|
-          expect(checkbox).to_not be_checked
+          expect(checkbox).not_to be_checked
         end
       end
 
@@ -125,13 +125,13 @@ feature 'Moderate proposals' do
 
     scenario "Current filter is properly highlighted" do
       visit moderation_proposals_path
-      expect(page).to_not have_link('Pending')
+      expect(page).not_to have_link('Pending')
       expect(page).to have_link('All')
       expect(page).to have_link('Mark as viewed')
 
       visit moderation_proposals_path(filter: 'all')
       within('.menu.simple') do
-        expect(page).to_not have_link('All')
+        expect(page).not_to have_link('All')
         expect(page).to have_link('Pending review')
         expect(page).to have_link('Mark as viewed')
       end
@@ -139,7 +139,7 @@ feature 'Moderate proposals' do
       visit moderation_proposals_path(filter: 'pending_flag_review')
       within('.menu.simple') do
         expect(page).to have_link('All')
-        expect(page).to_not have_link('Pending')
+        expect(page).not_to have_link('Pending')
         expect(page).to have_link('Mark as viewed')
       end
 
@@ -147,7 +147,7 @@ feature 'Moderate proposals' do
       within('.menu.simple') do
         expect(page).to have_link('All')
         expect(page).to have_link('Pending review')
-        expect(page).to_not have_link('Marked as viewed')
+        expect(page).not_to have_link('Marked as viewed')
       end
     end
 
@@ -160,19 +160,19 @@ feature 'Moderate proposals' do
       visit moderation_proposals_path(filter: 'all')
       expect(page).to have_content('Regular proposal')
       expect(page).to have_content('Pending proposal')
-      expect(page).to_not have_content('Hidden proposal')
+      expect(page).not_to have_content('Hidden proposal')
       expect(page).to have_content('Ignored proposal')
 
       visit moderation_proposals_path(filter: 'pending_flag_review')
-      expect(page).to_not have_content('Regular proposal')
+      expect(page).not_to have_content('Regular proposal')
       expect(page).to have_content('Pending proposal')
-      expect(page).to_not have_content('Hidden proposal')
-      expect(page).to_not have_content('Ignored proposal')
+      expect(page).not_to have_content('Hidden proposal')
+      expect(page).not_to have_content('Ignored proposal')
 
       visit moderation_proposals_path(filter: 'with_ignored_flag')
-      expect(page).to_not have_content('Regular proposal')
-      expect(page).to_not have_content('Pending proposal')
-      expect(page).to_not have_content('Hidden proposal')
+      expect(page).not_to have_content('Regular proposal')
+      expect(page).not_to have_content('Pending proposal')
+      expect(page).not_to have_content('Hidden proposal')
       expect(page).to have_content('Ignored proposal')
     end
 
diff --git a/spec/features/moderation/users_spec.rb b/spec/features/moderation/users_spec.rb
index 93d654d33..697b11d34 100644
--- a/spec/features/moderation/users_spec.rb
+++ b/spec/features/moderation/users_spec.rb
@@ -29,13 +29,13 @@ feature 'Moderate users' do
     end
 
     expect(page).to have_current_path(debates_path)
-    expect(page).to_not have_content(debate1.title)
-    expect(page).to_not have_content(debate2.title)
+    expect(page).not_to have_content(debate1.title)
+    expect(page).not_to have_content(debate2.title)
     expect(page).to have_content(debate3.title)
 
     visit debate_path(debate3)
 
-    expect(page).to_not have_content(comment3.body)
+    expect(page).not_to have_content(comment3.body)
 
     click_link("Sign out")
 
diff --git a/spec/features/moderation_spec.rb b/spec/features/moderation_spec.rb
index 955805e73..785c15580 100644
--- a/spec/features/moderation_spec.rb
+++ b/spec/features/moderation_spec.rb
@@ -7,7 +7,7 @@ feature 'Moderation' do
     login_as(user)
     visit root_path
 
-    expect(page).to_not have_link("Moderation")
+    expect(page).not_to have_link("Moderation")
     visit moderation_root_path
 
     expect(page).not_to have_current_path(moderation_root_path)
@@ -21,7 +21,7 @@ feature 'Moderation' do
     login_as(user)
     visit root_path
 
-    expect(page).to_not have_link("Moderation")
+    expect(page).not_to have_link("Moderation")
     visit moderation_root_path
 
     expect(page).not_to have_current_path(moderation_root_path)
@@ -35,7 +35,7 @@ feature 'Moderation' do
     login_as(user)
     visit root_path
 
-    expect(page).to_not have_link("Moderation")
+    expect(page).not_to have_link("Moderation")
     visit moderation_root_path
 
     expect(page).not_to have_current_path(moderation_root_path)
@@ -49,7 +49,7 @@ feature 'Moderation' do
     login_as(user)
     visit root_path
 
-    expect(page).to_not have_link("Moderation")
+    expect(page).not_to have_link("Moderation")
     visit moderation_root_path
 
     expect(page).not_to have_current_path(moderation_root_path)
@@ -67,7 +67,7 @@ feature 'Moderation' do
     click_on "Moderation"
 
     expect(page).to have_current_path(moderation_root_path)
-    expect(page).to_not have_content "You do not have permission to access this page"
+    expect(page).not_to have_content "You do not have permission to access this page"
   end
 
   scenario 'Access as an administrator is authorized' do
@@ -80,7 +80,7 @@ feature 'Moderation' do
     click_on "Moderation"
 
     expect(page).to have_current_path(moderation_root_path)
-    expect(page).to_not have_content "You do not have permission to access this page"
+    expect(page).not_to have_content "You do not have permission to access this page"
   end
 
   scenario "Moderation access links" do
@@ -89,8 +89,8 @@ feature 'Moderation' do
     visit root_path
 
     expect(page).to have_link('Moderation')
-    expect(page).to_not have_link('Administration')
-    expect(page).to_not have_link('Valuation')
+    expect(page).not_to have_link('Administration')
+    expect(page).not_to have_link('Valuation')
   end
 
   context 'Moderation dashboard' do
@@ -112,8 +112,8 @@ feature 'Moderation' do
       expect(page).to have_link('Go back to OrgName')
       expect(page).to have_current_path(moderation_root_path)
       expect(page).to have_css('#moderation_menu')
-      expect(page).to_not have_css('#admin_menu')
-      expect(page).to_not have_css('#valuation_menu')
+      expect(page).not_to have_css('#admin_menu')
+      expect(page).not_to have_css('#valuation_menu')
     end
   end
 end
diff --git a/spec/features/officing/results_spec.rb b/spec/features/officing/results_spec.rb
index 252d4edd6..91a194eec 100644
--- a/spec/features/officing/results_spec.rb
+++ b/spec/features/officing/results_spec.rb
@@ -34,9 +34,9 @@ feature 'Officing Results' do
       click_link 'Total recounts and results'
     end
 
-    expect(page).to_not have_content(not_allowed_poll_1.name)
-    expect(page).to_not have_content(not_allowed_poll_2.name)
-    expect(page).to_not have_content(not_allowed_poll_3.name)
+    expect(page).not_to have_content(not_allowed_poll_1.name)
+    expect(page).not_to have_content(not_allowed_poll_2.name)
+    expect(page).not_to have_content(not_allowed_poll_3.name)
     expect(page).to have_content(@poll.name)
 
     visit new_officing_poll_result_path(not_allowed_poll_1)
@@ -55,7 +55,7 @@ feature 'Officing Results' do
       click_link 'Add results'
     end
 
-    expect(page).to_not have_content('Your results')
+    expect(page).not_to have_content('Your results')
 
     booth_name = @officer_assignment.booth_assignment.booth.name
     select booth_name, from: 'officer_assignment_id'
@@ -113,7 +113,7 @@ feature 'Officing Results' do
       click_link "See results"
     end
 
-    expect(page).to_not have_content('7777')
+    expect(page).not_to have_content('7777')
     within("#white_results") { expect(page).to have_content('6') }
     within("#null_results")  { expect(page).to have_content('7') }
     within("#total_results") { expect(page).to have_content('8') }
diff --git a/spec/features/officing/voters_spec.rb b/spec/features/officing/voters_spec.rb
index 2c4b17d37..135bebdc8 100644
--- a/spec/features/officing/voters_spec.rb
+++ b/spec/features/officing/voters_spec.rb
@@ -24,11 +24,11 @@ feature 'Voters' do
     click_button "Confirm vote"
 
     expect(page).to have_content "Vote introduced!"
-    expect(page).to_not have_button "Confirm vote"
+    expect(page).not_to have_button "Confirm vote"
 
     page.evaluate_script("window.location.reload()")
     expect(page).to have_content "Has already participated in this poll"
-    expect(page).to_not have_button "Confirm vote"
+    expect(page).not_to have_button "Confirm vote"
 
     expect(Poll::Voter.last.officer_id).to eq(officer.id)
   end
@@ -45,7 +45,7 @@ feature 'Voters' do
 
     within("#poll_#{poll.id}") do
       expect(page).to have_content "Has already participated in this poll"
-      expect(page).to_not have_button "Confirm vote"
+      expect(page).not_to have_button "Confirm vote"
     end
 
     within("#poll_#{poll2.id}") do
@@ -55,7 +55,7 @@ feature 'Voters' do
 
   scenario "Had already verified his residence, but is not level 2 yet", :js do
     user = create(:user, residence_verified_at: Time.current, document_type: "1", document_number: "12345678Z")
-    expect(user).to_not be_level_two_verified
+    expect(user).not_to be_level_two_verified
 
     visit new_officing_residence_path
     officing_verify_residence
diff --git a/spec/features/officing_spec.rb b/spec/features/officing_spec.rb
index d01cd84be..f2d31c334 100644
--- a/spec/features/officing_spec.rb
+++ b/spec/features/officing_spec.rb
@@ -8,7 +8,7 @@ feature 'Poll Officing' do
     login_as(user)
     visit root_path
 
-    expect(page).to_not have_link("Polling officers")
+    expect(page).not_to have_link("Polling officers")
     visit officing_root_path
 
     expect(page).not_to have_current_path(officing_root_path)
@@ -21,7 +21,7 @@ feature 'Poll Officing' do
     login_as(user)
     visit root_path
 
-    expect(page).to_not have_link("Polling officers")
+    expect(page).not_to have_link("Polling officers")
     visit officing_root_path
 
     expect(page).not_to have_current_path(officing_root_path)
@@ -34,7 +34,7 @@ feature 'Poll Officing' do
     login_as(user)
     visit root_path
 
-    expect(page).to_not have_link("Polling officers")
+    expect(page).not_to have_link("Polling officers")
     visit officing_root_path
 
     expect(page).not_to have_current_path(officing_root_path)
@@ -47,7 +47,7 @@ feature 'Poll Officing' do
     login_as(user)
     visit root_path
 
-    expect(page).to_not have_link("Polling officers")
+    expect(page).not_to have_link("Polling officers")
     visit officing_root_path
 
     expect(page).not_to have_current_path(officing_root_path)
@@ -61,7 +61,7 @@ feature 'Poll Officing' do
     login_as(user)
     visit root_path
 
-    expect(page).to_not have_link("Polling officers")
+    expect(page).not_to have_link("Polling officers")
     visit officing_root_path
 
     expect(page).not_to have_current_path(officing_root_path)
@@ -80,7 +80,7 @@ feature 'Poll Officing' do
     click_on "Polling officers"
 
     expect(page).to have_current_path(officing_root_path)
-    expect(page).to_not have_content "You do not have permission to access this page"
+    expect(page).not_to have_content "You do not have permission to access this page"
   end
 
   scenario 'Access as an poll officer is authorized' do
@@ -93,7 +93,7 @@ feature 'Poll Officing' do
     click_on "Polling officers"
 
     expect(page).to have_current_path(officing_root_path)
-    expect(page).to_not have_content "You do not have permission to access this page"
+    expect(page).not_to have_content "You do not have permission to access this page"
   end
 
   scenario "Poll officer access links" do
@@ -102,9 +102,9 @@ feature 'Poll Officing' do
     visit root_path
 
     expect(page).to have_link("Polling officers")
-    expect(page).to_not have_link('Valuation')
-    expect(page).to_not have_link('Administration')
-    expect(page).to_not have_link('Moderation')
+    expect(page).not_to have_link('Valuation')
+    expect(page).not_to have_link('Administration')
+    expect(page).not_to have_link('Moderation')
   end
 
   scenario 'Officing dashboard' do
@@ -117,9 +117,9 @@ feature 'Poll Officing' do
 
     expect(page).to have_current_path(officing_root_path)
     expect(page).to have_css('#officing_menu')
-    expect(page).to_not have_css('#valuation_menu')
-    expect(page).to_not have_css('#admin_menu')
-    expect(page).to_not have_css('#moderation_menu')
+    expect(page).not_to have_css('#valuation_menu')
+    expect(page).not_to have_css('#admin_menu')
+    expect(page).not_to have_css('#moderation_menu')
   end
 
   scenario 'Officing dashboard available for multiple sessions', :js do
diff --git a/spec/features/organizations_spec.rb b/spec/features/organizations_spec.rb
index 5af1905bb..e2183bf25 100644
--- a/spec/features/organizations_spec.rb
+++ b/spec/features/organizations_spec.rb
@@ -4,7 +4,7 @@ feature 'Organizations' do
 
   scenario 'Organizations can be created' do
     user = User.organizations.where(email: 'green@peace.com').first
-    expect(user).to_not be
+    expect(user).not_to be
 
     visit new_organization_registration_path
 
@@ -20,7 +20,7 @@ feature 'Organizations' do
     user = User.organizations.where(email: 'green@peace.com').first
     expect(user).to be
     expect(user).to be_organization
-    expect(user.organization).to_not be_verified
+    expect(user.organization).not_to be_verified
   end
 
   scenario 'Create with invisible_captcha honeypot field' do
@@ -76,6 +76,6 @@ feature 'Organizations' do
     visit new_user_session_path
 
     expect(page).to have_link "Sign up"
-    expect(page).to_not have_link "Sign up as an organization"
+    expect(page).not_to have_link "Sign up as an organization"
   end
 end
diff --git a/spec/features/polls/polls_spec.rb b/spec/features/polls/polls_spec.rb
index 791bc3167..c2e8413cf 100644
--- a/spec/features/polls/polls_spec.rb
+++ b/spec/features/polls/polls_spec.rb
@@ -31,37 +31,37 @@ feature 'Polls' do
       visit polls_path
       expect(page).to have_content('Current poll')
       expect(page).to have_link('Participate in this poll')
-      expect(page).to_not have_content('Incoming poll')
-      expect(page).to_not have_content('Expired poll')
+      expect(page).not_to have_content('Incoming poll')
+      expect(page).not_to have_content('Expired poll')
 
       visit polls_path(filter: 'incoming')
-      expect(page).to_not have_content('Current poll')
+      expect(page).not_to have_content('Current poll')
       expect(page).to have_content('Incoming poll')
       expect(page).to have_link('More information')
-      expect(page).to_not have_content('Expired poll')
+      expect(page).not_to have_content('Expired poll')
 
       visit polls_path(filter: 'expired')
-      expect(page).to_not have_content('Current poll')
-      expect(page).to_not have_content('Incoming poll')
+      expect(page).not_to have_content('Current poll')
+      expect(page).not_to have_content('Incoming poll')
       expect(page).to have_content('Expired poll')
       expect(page).to have_link('Poll ended')
     end
 
     scenario "Current filter is properly highlighted" do
       visit polls_path
-      expect(page).to_not have_link('Open')
+      expect(page).not_to have_link('Open')
       expect(page).to have_link('Incoming')
       expect(page).to have_link('Expired')
 
       visit polls_path(filter: 'incoming')
       expect(page).to have_link('Open')
-      expect(page).to_not have_link('Incoming')
+      expect(page).not_to have_link('Incoming')
       expect(page).to have_link('Expired')
 
       visit polls_path(filter: 'expired')
       expect(page).to have_link('Open')
       expect(page).to have_link('Incoming')
-      expect(page).to_not have_link('Expired')
+      expect(page).not_to have_link('Expired')
     end
 
     scenario "Poll title link to stats if enabled" do
@@ -143,13 +143,13 @@ feature 'Polls' do
       expect(page).to have_content('Chewbacca')
       expect(page).to have_content('You must Sign in or Sign up to participate')
 
-      expect(page).to_not have_link('Han Solo')
-      expect(page).to_not have_link('Chewbacca')
+      expect(page).not_to have_link('Han Solo')
+      expect(page).not_to have_link('Chewbacca')
     end
 
     scenario 'Level 1 users' do
       visit polls_path
-      expect(page).to_not have_selector('.already-answer')
+      expect(page).not_to have_selector('.already-answer')
 
       poll.update(geozone_restricted: true)
       poll.geozones << geozone
@@ -166,8 +166,8 @@ feature 'Polls' do
       expect(page).to have_content('Han Solo')
       expect(page).to have_content('Chewbacca')
 
-      expect(page).to_not have_link('Han Solo')
-      expect(page).to_not have_link('Chewbacca')
+      expect(page).not_to have_link('Han Solo')
+      expect(page).not_to have_link('Chewbacca')
     end
 
     scenario 'Level 2 users in an incoming poll' do
@@ -184,8 +184,8 @@ feature 'Polls' do
 
       expect(page).to have_content('Rey')
       expect(page).to have_content('Finn')
-      expect(page).to_not have_link('Rey')
-      expect(page).to_not have_link('Finn')
+      expect(page).not_to have_link('Rey')
+      expect(page).not_to have_link('Finn')
 
       expect(page).to have_content('This poll has not yet started')
     end
@@ -204,8 +204,8 @@ feature 'Polls' do
 
       expect(page).to have_content('Luke')
       expect(page).to have_content('Leia')
-      expect(page).to_not have_link('Luke')
-      expect(page).to_not have_link('Leia')
+      expect(page).not_to have_link('Luke')
+      expect(page).not_to have_link('Leia')
 
       expect(page).to have_content('This poll has finished')
     end
@@ -224,8 +224,8 @@ feature 'Polls' do
 
       expect(page).to have_content('Vader')
       expect(page).to have_content('Palpatine')
-      expect(page).to_not have_link('Vader')
-      expect(page).to_not have_link('Palpatine')
+      expect(page).not_to have_link('Vader')
+      expect(page).not_to have_link('Palpatine')
     end
 
     scenario 'Level 2 users reading a same-geozone poll' do
@@ -284,7 +284,7 @@ feature 'Polls' do
 
       click_link 'Han Solo'
 
-      expect(page).to_not have_link('Han Solo')
+      expect(page).not_to have_link('Han Solo')
       expect(page).to have_link('Chewbacca')
     end
 
@@ -303,12 +303,12 @@ feature 'Polls' do
 
       click_link 'Han Solo'
 
-      expect(page).to_not have_link('Han Solo')
+      expect(page).not_to have_link('Han Solo')
       expect(page).to have_link('Chewbacca')
 
       click_link 'Chewbacca'
 
-      expect(page).to_not have_link('Chewbacca')
+      expect(page).not_to have_link('Chewbacca')
       expect(page).to have_link('Han Solo')
     end
 
@@ -326,7 +326,7 @@ feature 'Polls' do
       visit poll_path(poll)
       click_link 'Han Solo'
 
-      expect(page).to_not have_link('Han Solo')
+      expect(page).not_to have_link('Han Solo')
       expect(page).to have_link('Chewbacca')
 
       click_link "Sign out"
@@ -334,7 +334,7 @@ feature 'Polls' do
       visit poll_path(poll)
       click_link 'Han Solo'
 
-      expect(page).to_not have_link('Han Solo')
+      expect(page).not_to have_link('Han Solo')
       expect(page).to have_link('Chewbacca')
 
       click_link "Sign out"
@@ -342,7 +342,7 @@ feature 'Polls' do
       visit poll_path(poll)
       click_link 'Chewbacca'
 
-      expect(page).to_not have_link('Chewbacca')
+      expect(page).not_to have_link('Chewbacca')
       expect(page).to have_link('Han Solo')
     end
   end
@@ -381,8 +381,8 @@ feature 'Polls' do
         expect(page).to have_content('Han Solo')
         expect(page).to have_content('Chewbacca')
 
-        expect(page).to_not have_link('Han Solo')
-        expect(page).to_not have_link('Chewbacca')
+        expect(page).not_to have_link('Han Solo')
+        expect(page).not_to have_link('Chewbacca')
       end
     end
 
@@ -413,8 +413,8 @@ feature 'Polls' do
       login_as user
       visit poll_path(poll)
 
-      expect(page).to_not have_content("Poll results")
-      expect(page).to_not have_content("Participation statistics")
+      expect(page).not_to have_content("Poll results")
+      expect(page).not_to have_content("Participation statistics")
 
       visit results_poll_path(poll)
       expect(page).to have_content("You do not have permission to carry out the action 'results' on poll.")
@@ -430,8 +430,8 @@ feature 'Polls' do
       login_as user
       visit poll_path(poll)
 
-      expect(page).to_not have_content("Poll results")
-      expect(page).to_not have_content("Participation statistics")
+      expect(page).not_to have_content("Poll results")
+      expect(page).not_to have_content("Participation statistics")
 
       visit results_poll_path(poll)
       expect(page).to have_content("You do not have permission to carry out the action 'results' on poll.")
diff --git a/spec/features/polls/voter_spec.rb b/spec/features/polls/voter_spec.rb
index 2f062df7d..25817bff6 100644
--- a/spec/features/polls/voter_spec.rb
+++ b/spec/features/polls/voter_spec.rb
@@ -26,7 +26,7 @@ feature "Voter" do
 
       within("#poll_question_#{question.id}_answers") do
         click_link answer_yes.title
-        expect(page).to_not have_link(answer_yes.title)
+        expect(page).not_to have_link(answer_yes.title)
       end
 
       find(:css, ".js-token-message").should be_visible
@@ -45,12 +45,12 @@ feature "Voter" do
       visit poll_path(poll)
 
       within("#poll_question_#{question.id}_answers") do
-        expect(page).to_not have_link(answer_yes.title, href: "/questions/#{question.id}/answer?answer=#{answer_yes.title}&token=")
-        expect(page).to_not have_link(answer_no.title, href: "/questions/#{question.id}/answer?answer=#{answer_no.title}&token=")
+        expect(page).not_to have_link(answer_yes.title, href: "/questions/#{question.id}/answer?answer=#{answer_yes.title}&token=")
+        expect(page).not_to have_link(answer_no.title, href: "/questions/#{question.id}/answer?answer=#{answer_no.title}&token=")
       end
 
       expect(page).to have_content("You must verify your account in order to answer")
-      expect(page).to_not have_content("You have already participated in this poll. If you vote again it will be overwritten")
+      expect(page).not_to have_content("You have already participated in this poll. If you vote again it will be overwritten")
     end
 
     scenario "Voting in booth", :js do
@@ -65,7 +65,7 @@ feature "Voter" do
 
       within("#poll_#{poll.id}") do
         click_button("Confirm vote")
-        expect(page).to_not have_button("Confirm vote")
+        expect(page).not_to have_button("Confirm vote")
         expect(page).to have_button('Wait, confirming vote...', disabled: true)
         expect(page).to have_content "Vote introduced!"
       end
@@ -94,7 +94,7 @@ feature "Voter" do
         officing_verify_residence
 
         expect(page).to have_content poll.name
-        expect(page).to_not have_button "Confirm vote"
+        expect(page).not_to have_button "Confirm vote"
         expect(page).to have_content "Has already participated in this poll"
       end
 
@@ -109,7 +109,7 @@ feature "Voter" do
         login_as user
         visit poll_path(poll)
 
-        expect(page).to_not have_link(answer_yes.title)
+        expect(page).not_to have_link(answer_yes.title)
         expect(page).to have_content "You have already participated in a physical booth. You can not participate again."
         expect(Poll::Voter.count).to eq(1)
       end
@@ -121,11 +121,11 @@ feature "Voter" do
 
         visit poll_path(poll)
 
-        expect(page).to_not have_selector('.js-token-message')
+        expect(page).not_to have_selector('.js-token-message')
 
         expect(page).to have_content "You have already participated in this poll. If you vote again it will be overwritten."
         within("#poll_question_#{question.id}_answers") do
-          expect(page).to_not have_link(answer_yes.title)
+          expect(page).not_to have_link(answer_yes.title)
         end
 
         click_link "Sign out"
@@ -158,7 +158,7 @@ feature "Voter" do
 
       visit poll_path(poll)
 
-      expect(page).to_not have_link(answer_yes.title)
+      expect(page).not_to have_link(answer_yes.title)
       expect(page).to have_content "You have already participated in a physical booth. You can not participate again."
       expect(Poll::Voter.count).to eq(1)
     end
diff --git a/spec/features/proposal_notifications_spec.rb b/spec/features/proposal_notifications_spec.rb
index 439dc19a2..647ad88c8 100644
--- a/spec/features/proposal_notifications_spec.rb
+++ b/spec/features/proposal_notifications_spec.rb
@@ -177,7 +177,7 @@ feature 'Proposal Notifications' do
       visit user_path(author)
 
       within("#proposal_#{proposal.id}") do
-        expect(page).to_not have_link "Send message"
+        expect(page).not_to have_link "Send message"
       end
     end
 
@@ -339,7 +339,7 @@ feature 'Proposal Notifications' do
       notification_for_user = Notification.where(user: user).first
       expect(page).to have_css ".notification", count: 1
       expect(page).to have_content "This resource is not available anymore"
-      expect(page).to_not have_xpath "//a[@href='#{notification_path(notification_for_user)}']"
+      expect(page).not_to have_xpath "//a[@href='#{notification_path(notification_for_user)}']"
     end
 
     scenario "Proposal retired by author", :js do
diff --git a/spec/features/proposals_spec.rb b/spec/features/proposals_spec.rb
index 93b5d0998..c6b966304 100644
--- a/spec/features/proposals_spec.rb
+++ b/spec/features/proposals_spec.rb
@@ -59,7 +59,7 @@ feature 'Proposals' do
       within("ul.pagination") do
         expect(page).to have_content("1")
         expect(page).to have_link('2', href: 'http://www.example.com/proposals?page=2')
-        expect(page).to_not have_content("3")
+        expect(page).not_to have_content("3")
         click_link "Next", exact: false
       end
 
@@ -75,7 +75,7 @@ feature 'Proposals' do
       visit proposals_path(proposal)
 
       within("#proposal_#{proposal.id}") do
-        expect(page).to_not have_css("div.with-image")
+        expect(page).not_to have_css("div.with-image")
       end
       within("#proposal_#{proposal_with_image.id}") do
         expect(page).to have_css("img[alt='#{proposal_with_image.image.title}']")
@@ -165,7 +165,7 @@ feature 'Proposals' do
       proposal = create(:proposal, video_url: nil)
 
       visit proposal_path(proposal)
-      expect(page).to_not have_selector("div[id='js-embedded-video']")
+      expect(page).not_to have_selector("div[id='js-embedded-video']")
     end
   end
 
@@ -311,7 +311,7 @@ feature 'Proposals' do
     login_as(author)
 
     visit new_proposal_path
-    expect(page).to_not have_selector('#proposal_responsible_name')
+    expect(page).not_to have_selector('#proposal_responsible_name')
 
     fill_in 'proposal_title', with: 'Help refugees'
     fill_in 'proposal_question', with: '¿Would you like to give assistance to war refugees?'
@@ -359,8 +359,8 @@ feature 'Proposals' do
 
     expect(page).to have_content 'Testing an attack'
     expect(page.html).to include '<p>This is alert("an attack");</p>'
-    expect(page.html).to_not include '<script>alert("an attack");</script>'
-    expect(page.html).to_not include '&lt;p&gt;This is'
+    expect(page.html).not_to include '<script>alert("an attack");</script>'
+    expect(page.html).not_to include '&lt;p&gt;This is'
   end
 
   scenario 'Autolinking is applied to description' do
@@ -407,13 +407,13 @@ feature 'Proposals' do
     expect(page).to have_content 'Testing auto link'
     expect(page).to have_link('http://example.org', href: 'http://example.org')
     expect(page).not_to have_link('click me')
-    expect(page.html).to_not include "<script>alert('hey')</script>"
+    expect(page.html).not_to include "<script>alert('hey')</script>"
 
     click_link 'Edit'
 
     expect(page).to have_current_path(edit_proposal_path(Proposal.last))
     expect(page).not_to have_link('click me')
-    expect(page.html).to_not include "<script>alert('hey')</script>"
+    expect(page.html).not_to include "<script>alert('hey')</script>"
   end
 
   context 'Geozones' do
@@ -508,7 +508,7 @@ feature 'Proposals' do
 
       click_button 'Retire proposal'
 
-      expect(page).to_not have_content 'Proposal retired'
+      expect(page).not_to have_content 'Proposal retired'
       expect(page).to have_content "can't be blank", count: 2
     end
 
@@ -522,7 +522,7 @@ feature 'Proposals' do
       expect(page).to have_selector('#proposals .proposal', count: 1)
       within('#proposals') do
         expect(page).to have_content not_retired.title
-        expect(page).to_not have_content retired.title
+        expect(page).not_to have_content retired.title
       end
     end
 
@@ -533,19 +533,19 @@ feature 'Proposals' do
 
       visit proposals_path
 
-      expect(page).to_not have_content retired.title
+      expect(page).not_to have_content retired.title
       click_link 'Proposals retired by the author'
 
       expect(page).to have_content retired.title
-      expect(page).to_not have_content not_retired.title
+      expect(page).not_to have_content not_retired.title
     end
 
     scenario 'Retired proposals index interface elements' do
       visit proposals_path(retired: 'all')
 
-      expect(page).to_not have_content 'Advanced search'
-      expect(page).to_not have_content 'Categories'
-      expect(page).to_not have_content 'Districts'
+      expect(page).not_to have_content 'Advanced search'
+      expect(page).not_to have_content 'Categories'
+      expect(page).not_to have_content 'Districts'
     end
 
     scenario 'Retired proposals index has links to filter by retired_reason' do
@@ -565,7 +565,7 @@ feature 'Proposals' do
       click_link 'Unfeasible'
 
       expect(page).to have_content unfeasible.title
-      expect(page).to_not have_content duplicated.title
+      expect(page).not_to have_content duplicated.title
     end
   end
 
@@ -585,7 +585,7 @@ feature 'Proposals' do
     Setting["max_votes_for_proposal_edit"] = 10
     11.times { create(:vote, votable: proposal) }
 
-    expect(proposal).to_not be_editable
+    expect(proposal).not_to be_editable
 
     login_as(proposal.author)
     visit edit_proposal_path(proposal)
@@ -778,7 +778,7 @@ feature 'Proposals' do
       visit proposals_path
 
       within("#proposals-list") do
-        expect(page).to_not have_content archived_proposal.title
+        expect(page).not_to have_content archived_proposal.title
       end
 
       orders = %w{hot_score confidence_score created_at relevance}
@@ -786,7 +786,7 @@ feature 'Proposals' do
         visit proposals_path(order: order)
 
         within("#proposals-list") do
-          expect(page).to_not have_content archived_proposal.title
+          expect(page).not_to have_content archived_proposal.title
         end
       end
     end
@@ -821,21 +821,21 @@ feature 'Proposals' do
 
       within("#featured-proposals") do
         expect(page).to have_content(featured_proposal.title)
-        expect(page).to_not have_content(archived_proposal.title)
+        expect(page).not_to have_content(archived_proposal.title)
       end
       within("#proposals-list") do
-        expect(page).to_not have_content(featured_proposal.title)
-        expect(page).to_not have_content(archived_proposal.title)
+        expect(page).not_to have_content(featured_proposal.title)
+        expect(page).not_to have_content(archived_proposal.title)
       end
 
       click_link "archived"
 
       within("#featured-proposals") do
         expect(page).to have_content(featured_proposal.title)
-        expect(page).to_not have_content(archived_proposal.title)
+        expect(page).not_to have_content(archived_proposal.title)
       end
       within("#proposals-list") do
-        expect(page).to_not have_content(featured_proposal.title)
+        expect(page).not_to have_content(featured_proposal.title)
         expect(page).to have_content(archived_proposal.title)
       end
     end
@@ -878,7 +878,7 @@ feature 'Proposals' do
 
           expect(page).to have_content(proposal1.title)
           expect(page).to have_content(proposal2.title)
-          expect(page).to_not have_content(proposal3.title)
+          expect(page).not_to have_content(proposal3.title)
         end
       end
 
@@ -897,7 +897,7 @@ feature 'Proposals' do
           expect(page).to have_css('.proposal', count: 1)
 
           expect(page).to have_content(proposal1.title)
-          expect(page).to_not have_content(proposal2.title)
+          expect(page).not_to have_content(proposal2.title)
         end
       end
 
@@ -933,7 +933,7 @@ feature 'Proposals' do
 
           expect(page).to have_content(proposal1.title)
           expect(page).to have_content(proposal2.title)
-          expect(page).to_not have_content(proposal3.title)
+          expect(page).not_to have_content(proposal3.title)
         end
       end
 
@@ -958,7 +958,7 @@ feature 'Proposals' do
           within("#proposals") do
             expect(page).to have_content(proposal1.title)
             expect(page).to have_content(proposal2.title)
-            expect(page).to_not have_content(proposal3.title)
+            expect(page).not_to have_content(proposal3.title)
           end
         end
 
@@ -981,7 +981,7 @@ feature 'Proposals' do
           within("#proposals") do
             expect(page).to have_content(proposal1.title)
             expect(page).to have_content(proposal2.title)
-            expect(page).to_not have_content(proposal3.title)
+            expect(page).not_to have_content(proposal3.title)
           end
         end
 
@@ -1004,7 +1004,7 @@ feature 'Proposals' do
           within("#proposals") do
             expect(page).to have_content(proposal1.title)
             expect(page).to have_content(proposal2.title)
-            expect(page).to_not have_content(proposal3.title)
+            expect(page).not_to have_content(proposal3.title)
           end
         end
 
@@ -1027,7 +1027,7 @@ feature 'Proposals' do
           within("#proposals") do
             expect(page).to have_content(proposal1.title)
             expect(page).to have_content(proposal2.title)
-            expect(page).to_not have_content(proposal3.title)
+            expect(page).not_to have_content(proposal3.title)
           end
         end
 
@@ -1050,7 +1050,7 @@ feature 'Proposals' do
           within("#proposals") do
             expect(page).to have_content(proposal1.title)
             expect(page).to have_content(proposal2.title)
-            expect(page).to_not have_content(proposal3.title)
+            expect(page).not_to have_content(proposal3.title)
           end
         end
 
@@ -1076,7 +1076,7 @@ feature 'Proposals' do
             within("#proposals") do
               expect(page).to have_content(proposal1.title)
               expect(page).to have_content(proposal2.title)
-              expect(page).to_not have_content(proposal3.title)
+              expect(page).not_to have_content(proposal3.title)
             end
           end
 
@@ -1096,7 +1096,7 @@ feature 'Proposals' do
             within("#proposals") do
               expect(page).to have_content(proposal1.title)
               expect(page).to have_content(proposal2.title)
-              expect(page).to_not have_content(proposal3.title)
+              expect(page).not_to have_content(proposal3.title)
             end
           end
 
@@ -1116,7 +1116,7 @@ feature 'Proposals' do
             within("#proposals") do
               expect(page).to have_content(proposal1.title)
               expect(page).to have_content(proposal2.title)
-              expect(page).to_not have_content(proposal3.title)
+              expect(page).not_to have_content(proposal3.title)
             end
           end
 
@@ -1136,7 +1136,7 @@ feature 'Proposals' do
             within("#proposals") do
               expect(page).to have_content(proposal1.title)
               expect(page).to have_content(proposal2.title)
-              expect(page).to_not have_content(proposal3.title)
+              expect(page).not_to have_content(proposal3.title)
             end
           end
 
@@ -1160,7 +1160,7 @@ feature 'Proposals' do
           within("#proposals") do
             expect(page).to have_content(proposal1.title)
             expect(page).to have_content(proposal2.title)
-            expect(page).to_not have_content(proposal3.title)
+            expect(page).not_to have_content(proposal3.title)
           end
         end
 
@@ -1284,7 +1284,7 @@ feature 'Proposals' do
         expect(all(".proposal")[0].text).to match "Show you got"
         expect(all(".proposal")[1].text).to match "Show you got"
         expect(all(".proposal")[2].text).to match "Show what you got"
-        expect(page).to_not have_content "Do not display"
+        expect(page).not_to have_content "Do not display"
       end
     end
 
@@ -1308,8 +1308,8 @@ feature 'Proposals' do
       within("#proposals") do
         expect(all(".proposal")[0].text).to match "Show you got"
         expect(all(".proposal")[1].text).to match "Show what you got"
-        expect(page).to_not have_content "Do not display with same tag"
-        expect(page).to_not have_content "Do not display"
+        expect(page).not_to have_content "Do not display with same tag"
+        expect(page).not_to have_content "Do not display"
       end
       Setting['feature.user.recommendations'] = nil
     end
@@ -1324,8 +1324,8 @@ feature 'Proposals' do
         click_button "Search"
       end
 
-      expect(page).to_not have_selector('#proposals .proposal-featured')
-      expect(page).to_not have_selector('#featured-proposals')
+      expect(page).not_to have_selector('#proposals .proposal-featured')
+      expect(page).not_to have_selector('#featured-proposals')
     end
 
   end
@@ -1338,7 +1338,7 @@ feature 'Proposals' do
     expect(page).to have_content "This proposal has been flagged as inappropriate by several users."
 
     visit proposal_path(good_proposal)
-    expect(page).to_not have_content "This proposal has been flagged as inappropriate by several users."
+    expect(page).not_to have_content "This proposal has been flagged as inappropriate by several users."
   end
 
   scenario "Flagging", :js do
@@ -1373,7 +1373,7 @@ feature 'Proposals' do
       expect(page).to have_css("#flag-expand-proposal-#{proposal.id}")
     end
 
-    expect(Flag.flagged?(user, proposal)).to_not be
+    expect(Flag.flagged?(user, proposal)).not_to be
   end
 
   scenario 'Flagging/Unflagging AJAX', :js do
@@ -1401,7 +1401,7 @@ feature 'Proposals' do
       expect(page).to have_css("#flag-expand-proposal-#{proposal.id}")
     end
 
-    expect(Flag.flagged?(user, proposal)).to_not be
+    expect(Flag.flagged?(user, proposal)).not_to be
   end
 
   it_behaves_like "followable", "proposal", "proposal_path", { "id": "id" }
@@ -1495,7 +1495,7 @@ feature 'Proposals' do
           expect(page).to have_css('.proposal', count: 2)
           expect(page).to have_content(@proposal1.title)
           expect(page).to have_content(@proposal2.title)
-          expect(page).to_not have_content(@proposal3.title)
+          expect(page).not_to have_content(@proposal3.title)
         end
       end
 
@@ -1510,7 +1510,7 @@ feature 'Proposals' do
           expect(page).to have_css('.proposal', count: 2)
           expect(page).to have_content(@proposal1.title)
           expect(page).to have_content(@proposal2.title)
-          expect(page).to_not have_content(@proposal3.title)
+          expect(page).not_to have_content(@proposal3.title)
         end
       end
 
@@ -1525,7 +1525,7 @@ feature 'Proposals' do
           expect(page).to have_css('.proposal', count: 2)
           expect(page).to have_content(@proposal1.title)
           expect(page).to have_content(@proposal2.title)
-          expect(page).to_not have_content(@proposal3.title)
+          expect(page).not_to have_content(@proposal3.title)
         end
       end
 
@@ -1566,7 +1566,7 @@ feature 'Proposals' do
       check "proposal_terms_of_service"
 
       within('div#js-suggest') do
-        expect(page).to_not have_content 'You are seeing'
+        expect(page).not_to have_content 'You are seeing'
       end
     end
   end
@@ -1654,7 +1654,7 @@ feature 'Proposals' do
 
         expect(page).to have_content(proposal1.title)
         expect(page).to have_content(proposal2.title)
-        expect(page).to_not have_content(proposal3.title)
+        expect(page).not_to have_content(proposal3.title)
       end
     end
 
@@ -1671,7 +1671,7 @@ feature 'Successful proposals' do
 
     successful_proposals.each do |proposal|
       within("#proposal_#{proposal.id}_votes") do
-        expect(page).to_not have_css(".supports")
+        expect(page).not_to have_css(".supports")
         expect(page).to have_content "This proposal has reached the required supports"
       end
     end
@@ -1683,7 +1683,7 @@ feature 'Successful proposals' do
     successful_proposals.each do |proposal|
       visit proposal_path(proposal)
       within("#proposal_#{proposal.id}_votes") do
-        expect(page).to_not have_css(".supports")
+        expect(page).not_to have_css(".supports")
         expect(page).to have_content "This proposal has reached the required supports"
       end
     end
@@ -1696,7 +1696,7 @@ feature 'Successful proposals' do
 
     successful_proposals.each do |proposal|
       within("#proposal_#{proposal.id}_votes") do
-        expect(page).to_not have_link "Create question"
+        expect(page).not_to have_link "Create question"
       end
     end
 
diff --git a/spec/features/registration_form_spec.rb b/spec/features/registration_form_spec.rb
index 5b650911f..e6428dd60 100644
--- a/spec/features/registration_form_spec.rb
+++ b/spec/features/registration_form_spec.rb
@@ -6,7 +6,7 @@ feature 'Registration form' do
     user = create(:user)
 
     visit new_user_registration_path
-    expect(page).to_not have_content I18n.t("devise_views.users.registrations.new.username_is_not_available")
+    expect(page).not_to have_content I18n.t("devise_views.users.registrations.new.username_is_not_available")
 
     fill_in "user_username", with: user.username
     check 'user_terms_of_service'
@@ -16,7 +16,7 @@ feature 'Registration form' do
 
   scenario 'username is available', :js do
     visit new_user_registration_path
-    expect(page).to_not have_content I18n.t("devise_views.users.registrations.new.username_is_available")
+    expect(page).not_to have_content I18n.t("devise_views.users.registrations.new.username_is_available")
 
     fill_in "user_username", with: "available username"
     check 'user_terms_of_service'
diff --git a/spec/features/site_customization/content_blocks_spec.rb b/spec/features/site_customization/content_blocks_spec.rb
index 995982063..6e5de3a7c 100644
--- a/spec/features/site_customization/content_blocks_spec.rb
+++ b/spec/features/site_customization/content_blocks_spec.rb
@@ -8,12 +8,12 @@ feature "Custom content blocks" do
     visit "/?locale=en"
 
     expect(page).to have_content("content for top links")
-    expect(page).to_not have_content("contenido para top links")
+    expect(page).not_to have_content("contenido para top links")
 
     visit "/?locale=es"
 
     expect(page).to have_content("contenido para top links")
-    expect(page).to_not have_content("content for top links")
+    expect(page).not_to have_content("content for top links")
   end
 
   scenario "footer" do
@@ -23,11 +23,11 @@ feature "Custom content blocks" do
     visit "/?locale=en"
 
     expect(page).to have_content("content for footer")
-    expect(page).to_not have_content("contenido para footer")
+    expect(page).not_to have_content("contenido para footer")
 
     visit "/?locale=es"
 
     expect(page).to have_content("contenido para footer")
-    expect(page).to_not have_content("content for footer")
+    expect(page).not_to have_content("content for footer")
   end
 end
diff --git a/spec/features/site_customization/custom_pages_spec.rb b/spec/features/site_customization/custom_pages_spec.rb
index 653f783cd..38c2536e1 100644
--- a/spec/features/site_customization/custom_pages_spec.rb
+++ b/spec/features/site_customization/custom_pages_spec.rb
@@ -69,7 +69,7 @@ feature "Custom Pages" do
         expect(page).to have_title("Custom page")
         expect(page).to have_selector("h1", text: "Custom page")
         expect(page).to have_content("Text for new custom page")
-        expect(page).to_not have_content("Print this info")
+        expect(page).not_to have_content("Print this info")
       end
 
       scenario "Listed in more information page" do
@@ -95,7 +95,7 @@ feature "Custom Pages" do
 
         visit more_info_path
 
-        expect(page).to_not have_content("Another custom page")
+        expect(page).not_to have_content("Another custom page")
 
         visit custom_page.url
 
@@ -114,7 +114,7 @@ feature "Custom Pages" do
 
         visit more_info_path
 
-        expect(page).to_not have_content("Ce texte est en français")
+        expect(page).not_to have_content("Ce texte est en français")
 
         visit custom_page.url
 
diff --git a/spec/features/tags/budget_investments_spec.rb b/spec/features/tags/budget_investments_spec.rb
index 43edc9c36..74523f81b 100644
--- a/spec/features/tags/budget_investments_spec.rb
+++ b/spec/features/tags/budget_investments_spec.rb
@@ -95,7 +95,7 @@ feature 'Tags' do
 
     within "#tags_budget_investment_#{Budget::Investment.last.id}" do
       expect(page).to have_content tag_economia.name
-      expect(page).to_not have_content tag_medio_ambiente.name
+      expect(page).not_to have_content tag_medio_ambiente.name
     end
   end
 
@@ -135,7 +135,7 @@ feature 'Tags' do
     expect(page).to have_content 'user_id1'
     expect(page).to have_content 'a3'
     expect(page).to have_content 'scriptalert("hey");script'
-    expect(page.html).to_not include 'user_id=1, &a=3, <script>alert("hey");</script>'
+    expect(page.html).not_to include 'user_id=1, &a=3, <script>alert("hey");</script>'
   end
 
   context "Filter" do
@@ -214,7 +214,7 @@ feature 'Tags' do
         expect(page).to have_css ".budget-investment", count: 2
         expect(page).to have_content investment1.title
         expect(page).to have_content investment2.title
-        expect(page).to_not have_content investment3.title
+        expect(page).not_to have_content investment3.title
       end
     end
 
@@ -259,7 +259,7 @@ feature 'Tags' do
         expect(page).to have_css ".budget-investment", count: 2
         expect(page).to have_content investment1.title
         expect(page).to have_content investment2.title
-        expect(page).to_not have_content investment3.title
+        expect(page).not_to have_content investment3.title
       end
     end
   end
@@ -274,7 +274,7 @@ feature 'Tags' do
       visit budget_investment_path(budget, investment)
 
       expect(page).to     have_content 'Park'
-      expect(page).to_not have_content 'Education'
+      expect(page).not_to have_content 'Education'
     end
 
     scenario "Valuators do not see user tags" do
@@ -289,7 +289,7 @@ feature 'Tags' do
       click_link 'Edit classification'
 
       expect(page).to     have_content 'Education'
-      expect(page).to_not have_content 'Park'
+      expect(page).not_to have_content 'Park'
     end
 
   end
diff --git a/spec/features/tags/debates_spec.rb b/spec/features/tags/debates_spec.rb
index 6bfca4772..99578b3e1 100644
--- a/spec/features/tags/debates_spec.rb
+++ b/spec/features/tags/debates_spec.rb
@@ -48,8 +48,8 @@ feature 'Tags' do
 
     visit debates_path(tag: "123")
 
-    expect(page).to_not have_selector('#debates .debate-featured')
-    expect(page).to_not have_selector('#featured-debates')
+    expect(page).not_to have_selector('#debates .debate-featured')
+    expect(page).not_to have_selector('#featured-debates')
   end
 
   scenario 'Show' do
@@ -115,7 +115,7 @@ feature 'Tags' do
     expect(page).to have_content 'user_id1'
     expect(page).to have_content 'a3'
     expect(page).to have_content 'scriptalert("hey");script'
-    expect(page.html).to_not include 'user_id=1, &a=3, <script>alert("hey");</script>'
+    expect(page.html).not_to include 'user_id=1, &a=3, <script>alert("hey");</script>'
   end
 
   scenario 'Update' do
@@ -146,7 +146,7 @@ feature 'Tags' do
     click_button 'Save changes'
 
     expect(page).to have_content 'Debate updated successfully.'
-    expect(page).to_not have_content 'Economía'
+    expect(page).not_to have_content 'Economía'
   end
 
   context "Filter" do
@@ -211,7 +211,7 @@ feature 'Tags' do
       expect(page).to have_css ".debate", count: 2
       expect(page).to have_content debate1.title
       expect(page).to have_content debate2.title
-      expect(page).to_not have_content debate3.title
+      expect(page).not_to have_content debate3.title
     end
 
   end
diff --git a/spec/features/tags/proposals_spec.rb b/spec/features/tags/proposals_spec.rb
index d2a16b8f7..7c8a5c026 100644
--- a/spec/features/tags/proposals_spec.rb
+++ b/spec/features/tags/proposals_spec.rb
@@ -36,8 +36,8 @@ feature 'Tags' do
 
     visit proposals_path(tag: "123")
 
-    expect(page).to_not have_selector('#proposals .proposal-featured')
-    expect(page).to_not have_selector('#featured-proposals')
+    expect(page).not_to have_selector('#proposals .proposal-featured')
+    expect(page).not_to have_selector('#featured-proposals')
   end
 
   scenario 'Index shows 3 tags with no plus link' do
@@ -114,7 +114,7 @@ feature 'Tags' do
 
     within "#tags_proposal_#{Proposal.last.id}" do
       expect(page).to have_content 'Education'
-      expect(page).to_not have_content 'Health'
+      expect(page).not_to have_content 'Health'
     end
   end
 
@@ -160,7 +160,7 @@ feature 'Tags' do
     expect(page).to have_content 'user_id1'
     expect(page).to have_content 'a3'
     expect(page).to have_content 'scriptalert("hey");script'
-    expect(page.html).to_not include 'user_id=1, &a=3, <script>alert("hey");</script>'
+    expect(page.html).not_to include 'user_id=1, &a=3, <script>alert("hey");</script>'
   end
 
   scenario 'Update' do
@@ -191,7 +191,7 @@ feature 'Tags' do
     click_button 'Save changes'
 
     expect(page).to have_content 'Proposal updated successfully.'
-    expect(page).to_not have_content 'Economía'
+    expect(page).not_to have_content 'Economía'
   end
 
   context "Filter" do
@@ -257,7 +257,7 @@ feature 'Tags' do
       expect(page).to have_css ".proposal", count: 2
       expect(page).to have_content proposal1.title
       expect(page).to have_content proposal2.title
-      expect(page).to_not have_content proposal3.title
+      expect(page).not_to have_content proposal3.title
     end
 
   end
@@ -296,7 +296,7 @@ feature 'Tags' do
       expect(page).to have_css ".proposal", count: 2
       expect(page).to have_content proposal1.title
       expect(page).to have_content proposal2.title
-      expect(page).to_not have_content proposal3.title
+      expect(page).not_to have_content proposal3.title
     end
   end
 end
diff --git a/spec/features/tags_spec.rb b/spec/features/tags_spec.rb
index 8497d5b63..4aeec69df 100644
--- a/spec/features/tags_spec.rb
+++ b/spec/features/tags_spec.rb
@@ -30,8 +30,8 @@ feature 'Tags' do
       expect(page).to have_css('.debate', count: 2)
       expect(page).to have_content(debate1.title)
       expect(page).to have_content(debate2.title)
-      expect(page).to_not have_content(debate3.title)
-      expect(page).to_not have_content(debate4.title)
+      expect(page).not_to have_content(debate3.title)
+      expect(page).not_to have_content(debate4.title)
     end
 
     visit debates_path(search: 'salud')
@@ -40,8 +40,8 @@ feature 'Tags' do
       expect(page).to have_css('.debate', count: 2)
       expect(page).to have_content(debate1.title)
       expect(page).to have_content(debate2.title)
-      expect(page).to_not have_content(debate3.title)
-      expect(page).to_not have_content(debate4.title)
+      expect(page).not_to have_content(debate3.title)
+      expect(page).not_to have_content(debate4.title)
     end
   end
 
@@ -118,7 +118,7 @@ feature 'Tags' do
     click_button 'Save changes'
 
     expect(page).to have_content 'Debate updated successfully.'
-    expect(page).to_not have_content 'Economía'
+    expect(page).not_to have_content 'Economía'
   end
 
   context 'Tag cloud' do
@@ -159,7 +159,7 @@ feature 'Tags' do
       within "#tag-cloud" do
         expect(page).to have_css(".tag", count: 1)
         expect(page).to have_content "Corrupción"
-        expect(page).to_not have_content "Economía"
+        expect(page).not_to have_content "Economía"
       end
     end
 
@@ -175,7 +175,7 @@ feature 'Tags' do
       within "#tag-cloud" do
         expect(page).to have_css(".tag", count: 1)
         expect(page).to have_content "Playa"
-        expect(page).to_not have_content "Agua"
+        expect(page).not_to have_content "Agua"
       end
     end
 
@@ -193,7 +193,7 @@ feature 'Tags' do
       expect(page).to have_css ".proposal", count: 2
       expect(page).to have_content proposal1.title
       expect(page).to have_content proposal2.title
-      expect(page).to_not have_content proposal3.title
+      expect(page).not_to have_content proposal3.title
     end
 
   end
diff --git a/spec/features/users_auth_spec.rb b/spec/features/users_auth_spec.rb
index 69332e6e2..931a9638e 100644
--- a/spec/features/users_auth_spec.rb
+++ b/spec/features/users_auth_spec.rb
@@ -87,7 +87,7 @@ feature 'Users' do
         fill_in 'user_password', with: 'symbiote'
         click_button 'Enter'
 
-        expect(page).to_not have_content 'You have been signed in successfully.'
+        expect(page).not_to have_content 'You have been signed in successfully.'
         expect(page).to have_content 'Invalid login or password.'
 
         fill_in 'user_login',    with: 'venom@nyc.dev'
@@ -377,7 +377,7 @@ feature 'Users' do
     login_as(admin.user)
     visit root_path
 
-    expect(page).to_not have_content "Your password is expired"
+    expect(page).not_to have_content "Your password is expired"
   end
 
   scenario 'Sign in, user with password expired' do
@@ -386,7 +386,7 @@ feature 'Users' do
     login_as(user)
     visit root_path
 
-    expect(page).to_not have_content "Your password is expired"
+    expect(page).not_to have_content "Your password is expired"
   end
 
   scenario 'Admin with password expired trying to use same password' do
diff --git a/spec/features/users_spec.rb b/spec/features/users_spec.rb
index 0ca1f0266..14615379e 100644
--- a/spec/features/users_spec.rb
+++ b/spec/features/users_spec.rb
@@ -24,7 +24,7 @@ feature 'Users' do
     scenario 'shows only items where user has activity' do
       @user.proposals.destroy_all
 
-      expect(page).to_not have_content('0 Proposals')
+      expect(page).not_to have_content('0 Proposals')
       expect(page).to have_content('1 Debate')
       expect(page).to have_content('3 Investments')
       expect(page).to have_content('4 Comments')
@@ -36,11 +36,11 @@ feature 'Users' do
       end
 
       @user.debates.each do |debate|
-        expect(page).to_not have_content(debate.title)
+        expect(page).not_to have_content(debate.title)
       end
 
       @user.comments.each do |comment|
-        expect(page).to_not have_content(comment.body)
+        expect(page).not_to have_content(comment.body)
       end
     end
 
@@ -78,11 +78,11 @@ feature 'Users' do
       end
 
       @user.proposals.each do |proposal|
-        expect(page).to_not have_content(proposal.title)
+        expect(page).not_to have_content(proposal.title)
       end
 
       @user.comments.each do |comment|
-        expect(page).to_not have_content(comment.body)
+        expect(page).not_to have_content(comment.body)
       end
 
       click_link '4 Comments'
@@ -92,11 +92,11 @@ feature 'Users' do
       end
 
       @user.proposals.each do |proposal|
-        expect(page).to_not have_content(proposal.title)
+        expect(page).not_to have_content(proposal.title)
       end
 
       @user.debates.each do |debate|
-        expect(page).to_not have_content(debate.title)
+        expect(page).not_to have_content(debate.title)
       end
 
       click_link '2 Proposals'
@@ -106,11 +106,11 @@ feature 'Users' do
       end
 
       @user.comments.each do |comment|
-        expect(page).to_not have_content(comment.body)
+        expect(page).not_to have_content(comment.body)
       end
 
       @user.debates.each do |debate|
-        expect(page).to_not have_content(debate.title)
+        expect(page).not_to have_content(debate.title)
       end
     end
 
@@ -125,7 +125,7 @@ feature 'Users' do
       visit user_path(@user)
 
       expect(page).to have_content(@user.username)
-      expect(page).to_not have_content('activity list private')
+      expect(page).not_to have_content('activity list private')
     end
 
     scenario 'user can hide public page' do
@@ -149,7 +149,7 @@ feature 'Users' do
       click_button 'Save changes'
 
       visit user_path(@user)
-      expect(page).to_not have_content('activity list private')
+      expect(page).not_to have_content('activity list private')
     end
 
     scenario 'is always visible for admins' do
@@ -163,7 +163,7 @@ feature 'Users' do
 
       login_as(create(:administrator).user)
       visit user_path(@user)
-      expect(page).to_not have_content('activity list private')
+      expect(page).not_to have_content('activity list private')
     end
 
     scenario 'is always visible for moderators' do
@@ -177,7 +177,7 @@ feature 'Users' do
 
       login_as(create(:moderator).user)
       visit user_path(@user)
-      expect(page).to_not have_content('activity list private')
+      expect(page).not_to have_content('activity list private')
     end
 
     feature 'User email' do
@@ -188,19 +188,19 @@ feature 'Users' do
 
       scenario 'is not shown if no user logged in' do
         visit user_path(@user)
-        expect(page).to_not have_content(@user.email)
+        expect(page).not_to have_content(@user.email)
       end
 
       scenario 'is not shown if logged in user is a regular user' do
         login_as(create(:user))
         visit user_path(@user)
-        expect(page).to_not have_content(@user.email)
+        expect(page).not_to have_content(@user.email)
       end
 
       scenario 'is not shown if logged in user is moderator' do
         login_as(create(:moderator).user)
         visit user_path(@user)
-        expect(page).to_not have_content(@user.email)
+        expect(page).not_to have_content(@user.email)
       end
 
       scenario 'is shown if logged in user is admin' do
@@ -355,7 +355,7 @@ feature 'Users' do
       visit user_path(moderator)
       expect(page).to have_content("1 Comment")
       expect(page).to have_content(comment.body)
-      expect(page).to_not have_content(moderator_comment.body)
+      expect(page).not_to have_content(moderator_comment.body)
     end
 
     scenario 'comments posted as admin are not visible in user activity' do
@@ -365,7 +365,7 @@ feature 'Users' do
 
       visit user_path(admin)
       expect(page).to have_content(comment.body)
-      expect(page).to_not have_content(admin_comment.body)
+      expect(page).not_to have_content(admin_comment.body)
     end
 
     scenario 'shows only comments from active features' do
diff --git a/spec/features/valuation/budget_investments_spec.rb b/spec/features/valuation/budget_investments_spec.rb
index a627d9422..7bd955e0e 100644
--- a/spec/features/valuation/budget_investments_spec.rb
+++ b/spec/features/valuation/budget_investments_spec.rb
@@ -30,7 +30,7 @@ feature 'Valuation budget investments' do
     visit valuation_budget_budget_investments_path(@budget)
 
     expect(page).to have_content(investment1.title)
-    expect(page).to_not have_content(investment2.title)
+    expect(page).not_to have_content(investment2.title)
   end
 
   scenario 'Index shows no budget investment to admins no valuators' do
@@ -43,8 +43,8 @@ feature 'Valuation budget investments' do
     login_as create(:administrator).user
     visit valuation_budget_budget_investments_path(@budget)
 
-    expect(page).to_not have_content(investment1.title)
-    expect(page).to_not have_content(investment2.title)
+    expect(page).not_to have_content(investment1.title)
+    expect(page).not_to have_content(investment2.title)
   end
 
   scenario 'Index orders budget investments by votes' do
@@ -83,12 +83,12 @@ feature 'Valuation budget investments' do
     click_link "District 9", exact: false
 
     expect(page).to have_link("Realocate visitors")
-    expect(page).to_not have_link("Destroy the city")
+    expect(page).not_to have_link("Destroy the city")
 
     click_link "Down to the river", exact: false
 
     expect(page).to have_link("Destroy the city")
-    expect(page).to_not have_link("Realocate visitors")
+    expect(page).not_to have_link("Realocate visitors")
 
     click_link "All headings", exact: false
     expect(page).to have_link("Realocate visitors")
@@ -101,13 +101,13 @@ feature 'Valuation budget investments' do
 
     visit valuation_budget_budget_investments_path(@budget)
 
-    expect(page).to_not have_link(filters_links.values.first)
+    expect(page).not_to have_link(filters_links.values.first)
     filters_links.keys.drop(1).each { |filter| expect(page).to have_link(filters_links[filter]) }
 
     filters_links.each_pair do |current_filter, link|
       visit valuation_budget_budget_investments_path(@budget, filter: current_filter)
 
-      expect(page).to_not have_link(link)
+      expect(page).not_to have_link(link)
 
       (filters_links.keys - [current_filter]).each do |filter|
         expect(page).to have_link(filters_links[filter])
@@ -124,16 +124,16 @@ feature 'Valuation budget investments' do
     visit valuation_budget_budget_investments_path(@budget)
 
     expect(page).to have_content("Ongoing valuation")
-    expect(page).to_not have_content("Old idea")
+    expect(page).not_to have_content("Old idea")
 
     visit valuation_budget_budget_investments_path(@budget, filter: 'valuating')
 
     expect(page).to have_content("Ongoing valuation")
-    expect(page).to_not have_content("Old idea")
+    expect(page).not_to have_content("Old idea")
 
     visit valuation_budget_budget_investments_path(@budget, filter: 'valuation_finished')
 
-    expect(page).to_not have_content("Ongoing valuation")
+    expect(page).not_to have_content("Ongoing valuation")
     expect(page).to have_content("Old idea")
   end
 
@@ -234,8 +234,8 @@ feature 'Valuation budget investments' do
       within('#price_first_year') { expect(page).to have_content('Undefined') }
       within('#duration') { expect(page).to have_content('Undefined') }
       within('#feasibility') { expect(page).to have_content('Undecided') }
-      expect(page).to_not have_content('Valuation finished')
-      expect(page).to_not have_content('Internal comments')
+      expect(page).not_to have_content('Valuation finished')
+      expect(page).not_to have_content('Internal comments')
     end
 
     scenario 'Edit dossier' do
@@ -262,7 +262,7 @@ feature 'Valuation budget investments' do
       expect(page).to have_content('Very cheap idea')
       within('#duration') { expect(page).to have_content('19 months') }
       within('#feasibility') { expect(page).to have_content('Feasible') }
-      expect(page).to_not have_content('Valuation finished')
+      expect(page).not_to have_content('Valuation finished')
       expect(page).to have_content('Internal comments')
       expect(page).to have_content('Should be double checked by the urbanism area')
     end
@@ -277,7 +277,7 @@ feature 'Valuation budget investments' do
 
       visit edit_valuation_budget_budget_investment_path(@budget, @investment)
 
-      expect(find("#budget_investment_feasibility_undecided")).to_not be_checked
+      expect(find("#budget_investment_feasibility_undecided")).not_to be_checked
       expect(find("#budget_investment_feasibility_feasible")).to be_checked
 
       choose 'budget_investment_feasibility_undecided'
@@ -304,7 +304,7 @@ feature 'Valuation budget investments' do
       choose 'budget_investment_feasibility_feasible'
 
       unfeasible_fields.each do |field|
-        expect(page).to_not have_content(field)
+        expect(page).not_to have_content(field)
       end
 
       (feasible_fields + any_feasibility_fields).each do |field|
@@ -314,7 +314,7 @@ feature 'Valuation budget investments' do
       choose 'budget_investment_feasibility_unfeasible'
 
       feasible_fields.each do |field|
-        expect(page).to_not have_content(field)
+        expect(page).not_to have_content(field)
       end
 
       (unfeasible_fields + any_feasibility_fields).each do |field|
@@ -327,7 +327,7 @@ feature 'Valuation budget investments' do
 
       expect(find("#budget_investment_feasibility_unfeasible")).to be_checked
       feasible_fields.each do |field|
-        expect(page).to_not have_content(field)
+        expect(page).not_to have_content(field)
       end
 
       (unfeasible_fields + any_feasibility_fields).each do |field|
@@ -349,7 +349,7 @@ feature 'Valuation budget investments' do
       click_button 'Save changes'
 
       visit valuation_budget_budget_investments_path(@budget)
-      expect(page).to_not have_content @investment.title
+      expect(page).not_to have_content @investment.title
       click_link 'Valuation finished'
 
       expect(page).to have_content @investment.title
diff --git a/spec/features/valuation/budgets_spec.rb b/spec/features/valuation/budgets_spec.rb
index 303d6c087..ec3b780ab 100644
--- a/spec/features/valuation/budgets_spec.rb
+++ b/spec/features/valuation/budgets_spec.rb
@@ -35,7 +35,7 @@ feature 'Valuation budgets' do
       expect(page).to have_content(budget2.name)
       expect(page).to have_content(budget3.name)
       expect(page).to have_content(budget4.name)
-      expect(page).to_not have_content(budget5.name)
+      expect(page).not_to have_content(budget5.name)
     end
 
   end
diff --git a/spec/features/valuation_spec.rb b/spec/features/valuation_spec.rb
index 7a6a557a9..c004f0773 100644
--- a/spec/features/valuation_spec.rb
+++ b/spec/features/valuation_spec.rb
@@ -17,7 +17,7 @@ feature 'Valuation' do
     login_as(user)
     visit root_path
 
-    expect(page).to_not have_link("Valuation")
+    expect(page).not_to have_link("Valuation")
     visit valuation_root_path
 
     expect(page).not_to have_current_path(valuation_root_path)
@@ -30,7 +30,7 @@ feature 'Valuation' do
     login_as(user)
     visit root_path
 
-    expect(page).to_not have_link("Valuation")
+    expect(page).not_to have_link("Valuation")
     visit valuation_root_path
 
     expect(page).not_to have_current_path(valuation_root_path)
@@ -43,7 +43,7 @@ feature 'Valuation' do
     login_as(user)
     visit root_path
 
-    expect(page).to_not have_link("Valuation")
+    expect(page).not_to have_link("Valuation")
     visit valuation_root_path
 
     expect(page).not_to have_current_path(valuation_root_path)
@@ -56,7 +56,7 @@ feature 'Valuation' do
     login_as(user)
     visit root_path
 
-    expect(page).to_not have_link("Valuation")
+    expect(page).not_to have_link("Valuation")
     visit valuation_root_path
 
     expect(page).not_to have_current_path(valuation_root_path)
@@ -73,7 +73,7 @@ feature 'Valuation' do
     click_on "Valuation"
 
     expect(page).to have_current_path(valuation_root_path)
-    expect(page).to_not have_content "You do not have permission to access this page"
+    expect(page).not_to have_content "You do not have permission to access this page"
   end
 
   scenario 'Access as an administrator is authorized' do
@@ -85,7 +85,7 @@ feature 'Valuation' do
     click_on "Valuation"
 
     expect(page).to have_current_path(valuation_root_path)
-    expect(page).to_not have_content "You do not have permission to access this page"
+    expect(page).not_to have_content "You do not have permission to access this page"
   end
 
   scenario "Valuation access links" do
@@ -94,8 +94,8 @@ feature 'Valuation' do
     visit root_path
 
     expect(page).to have_link('Valuation')
-    expect(page).to_not have_link('Administration')
-    expect(page).to_not have_link('Moderation')
+    expect(page).not_to have_link('Administration')
+    expect(page).not_to have_link('Moderation')
   end
 
   scenario 'Valuation dashboard' do
@@ -107,8 +107,8 @@ feature 'Valuation' do
 
     expect(page).to have_current_path(valuation_root_path)
     expect(page).to have_css('#valuation_menu')
-    expect(page).to_not have_css('#admin_menu')
-    expect(page).to_not have_css('#moderation_menu')
+    expect(page).not_to have_css('#admin_menu')
+    expect(page).not_to have_css('#moderation_menu')
   end
 
 end
diff --git a/spec/features/verification/email_spec.rb b/spec/features/verification/email_spec.rb
index bf1ff9b37..d29a56a80 100644
--- a/spec/features/verification/email_spec.rb
+++ b/spec/features/verification/email_spec.rb
@@ -29,7 +29,7 @@ feature 'Verify email' do
 
     expect(page).to have_content "You are a verified user"
 
-    expect(page).to_not have_link "Verify my account"
+    expect(page).not_to have_link "Verify my account"
     expect(page).to have_content "Account verified"
   end
 
diff --git a/spec/features/verification/level_three_verification_spec.rb b/spec/features/verification/level_three_verification_spec.rb
index ff88f8477..1e339307c 100644
--- a/spec/features/verification/level_three_verification_spec.rb
+++ b/spec/features/verification/level_three_verification_spec.rb
@@ -29,7 +29,7 @@ feature 'Level three verification' do
 
     expect(page).to have_content "Code correct. Your account is now verified"
 
-    expect(page).to_not have_link "Verify my account"
+    expect(page).not_to have_link "Verify my account"
     expect(page).to have_content "Account verified"
   end
 
@@ -60,7 +60,7 @@ feature 'Level three verification' do
 
     expect(page).to have_content "You are a verified user"
 
-    expect(page).to_not have_link "Verify my account"
+    expect(page).not_to have_link "Verify my account"
     expect(page).to have_content "Account verified"
   end
 
diff --git a/spec/features/votes_spec.rb b/spec/features/votes_spec.rb
index add6f71c8..c837deebf 100644
--- a/spec/features/votes_spec.rb
+++ b/spec/features/votes_spec.rb
@@ -24,36 +24,36 @@ feature 'Votes' do
         within("#debate_#{debate1.id}_votes") do
           within(".in-favor") do
             expect(page).to have_css("a.voted")
-            expect(page).to_not have_css("a.no-voted")
+            expect(page).not_to have_css("a.no-voted")
           end
 
           within(".against") do
             expect(page).to have_css("a.no-voted")
-            expect(page).to_not have_css("a.voted")
+            expect(page).not_to have_css("a.voted")
           end
         end
 
         within("#debate_#{debate2.id}_votes") do
           within(".in-favor") do
-            expect(page).to_not have_css("a.voted")
-            expect(page).to_not have_css("a.no-voted")
+            expect(page).not_to have_css("a.voted")
+            expect(page).not_to have_css("a.no-voted")
           end
 
           within(".against") do
-            expect(page).to_not have_css("a.no-voted")
-            expect(page).to_not have_css("a.voted")
+            expect(page).not_to have_css("a.no-voted")
+            expect(page).not_to have_css("a.voted")
           end
         end
 
         within("#debate_#{debate3.id}_votes") do
           within(".in-favor") do
             expect(page).to have_css("a.no-voted")
-            expect(page).to_not have_css("a.voted")
+            expect(page).not_to have_css("a.voted")
           end
 
           within(".against") do
             expect(page).to have_css("a.voted")
-            expect(page).to_not have_css("a.no-voted")
+            expect(page).not_to have_css("a.no-voted")
           end
         end
       end
@@ -68,14 +68,14 @@ feature 'Votes' do
 
         within('.in-favor') do
           expect(page).to have_content "0%"
-          expect(page).to_not have_css("a.voted")
-          expect(page).to_not have_css("a.no-voted")
+          expect(page).not_to have_css("a.voted")
+          expect(page).not_to have_css("a.no-voted")
         end
 
         within('.against') do
           expect(page).to have_content "0%"
-          expect(page).to_not have_css("a.voted")
-          expect(page).to_not have_css("a.no-voted")
+          expect(page).not_to have_css("a.voted")
+          expect(page).not_to have_css("a.no-voted")
         end
       end
 
@@ -104,7 +104,7 @@ feature 'Votes' do
         find('.in-favor a').click
         expect(page).to have_content "1 vote"
         find('.in-favor a').click
-        expect(page).to_not have_content "2 votes"
+        expect(page).not_to have_content "2 votes"
 
         within('.in-favor') do
           expect(page).to have_content "100%"
@@ -195,11 +195,11 @@ feature 'Votes' do
         end
 
         within("#proposal_#{proposal2.id}_votes") do
-          expect(page).to_not have_content "You have already supported this proposal. Share it!"
+          expect(page).not_to have_content "You have already supported this proposal. Share it!"
         end
 
         within("#proposal_#{proposal3.id}_votes") do
-          expect(page).to_not have_content "You have already supported this proposal. Share it!"
+          expect(page).not_to have_content "You have already supported this proposal. Share it!"
         end
       end
     end
@@ -221,7 +221,7 @@ feature 'Votes' do
           find('.in-favor a').click
           expect(page).to have_content "1 support"
 
-          expect(page).to_not have_selector ".in-favor a"
+          expect(page).not_to have_selector ".in-favor a"
         end
       end
 
@@ -389,11 +389,11 @@ feature 'Votes' do
           end
 
           within("#spending_proposal_#{spending_proposal2.id}_votes") do
-            expect(page).to_not have_content "You have already supported this. Share it!"
+            expect(page).not_to have_content "You have already supported this. Share it!"
           end
 
           within("#spending_proposal_#{spending_proposal3.id}_votes") do
-            expect(page).to_not have_content "You have already supported this. Share it!"
+            expect(page).not_to have_content "You have already supported this. Share it!"
           end
         end
       end
@@ -428,7 +428,7 @@ feature 'Votes' do
           find('.in-favor a').click
           expect(page).to have_content "1 support"
 
-          expect(page).to_not have_selector ".in-favor a"
+          expect(page).not_to have_selector ".in-favor a"
         end
       end
 
diff --git a/spec/lib/acts_as_paranoid_aliases_spec.rb b/spec/lib/acts_as_paranoid_aliases_spec.rb
index b47be8cea..f7e3ce35f 100644
--- a/spec/lib/acts_as_paranoid_aliases_spec.rb
+++ b/spec/lib/acts_as_paranoid_aliases_spec.rb
@@ -40,7 +40,7 @@ describe 'Paranoid methods' do
 
       debate.restore
 
-      expect(debate.reload.confirmed_hide?).to_not be
+      expect(debate.reload.confirmed_hide?).not_to be
     end
   end
 
diff --git a/spec/lib/acts_as_taggable_on_spec.rb b/spec/lib/acts_as_taggable_on_spec.rb
index 4b9cb6756..934c312b8 100644
--- a/spec/lib/acts_as_taggable_on_spec.rb
+++ b/spec/lib/acts_as_taggable_on_spec.rb
@@ -97,7 +97,7 @@ describe ActsAsTaggableOn do
       it "blocks tags that don't have at least one tagged element" do
         tag = create(:tag)
 
-        expect(ActsAsTaggableOn::Tag.public_for_api).to_not include(tag)
+        expect(ActsAsTaggableOn::Tag.public_for_api).not_to include(tag)
       end
 
       it 'only permits tags on proposals or debates' do
diff --git a/spec/lib/census_api_spec.rb b/spec/lib/census_api_spec.rb
index 06fb2bc53..aebf2edfd 100644
--- a/spec/lib/census_api_spec.rb
+++ b/spec/lib/census_api_spec.rb
@@ -60,7 +60,7 @@ describe CensusApi do
       allow(api).to receive(:get_response_body).with(1, "0123456").and_return(invalid_body)
       response = api.call(1, "123456")
 
-      expect(response).to_not be_valid
+      expect(response).not_to be_valid
     end
   end
 
diff --git a/spec/lib/email_digests_spec.rb b/spec/lib/email_digests_spec.rb
index 12c1557fc..7992c3706 100644
--- a/spec/lib/email_digests_spec.rb
+++ b/spec/lib/email_digests_spec.rb
@@ -15,7 +15,7 @@ describe EmailDigest do
       email_digest = described_class.new(user1)
 
       expect(email_digest.notifications).to include(notification1)
-      expect(email_digest.notifications).to_not include(notification2)
+      expect(email_digest.notifications).not_to include(notification2)
     end
 
     it "returns only proposal notifications" do
@@ -30,7 +30,7 @@ describe EmailDigest do
       email_digest = described_class.new(user)
 
       expect(email_digest.notifications).to include(notification1)
-      expect(email_digest.notifications).to_not include(notification2)
+      expect(email_digest.notifications).not_to include(notification2)
     end
 
   end
@@ -54,13 +54,13 @@ describe EmailDigest do
       notification = create(:notification, notifiable: proposal_notification, user: user, emailed_at: Time.current)
 
       email_digest = described_class.new(user)
-      expect(email_digest.pending_notifications?).to_not be
+      expect(email_digest.pending_notifications?).not_to be
     end
 
     it "returns false when there are no notifications for a user" do
       user = create(:user)
       email_digest = described_class.new(user)
-      expect(email_digest.pending_notifications?).to_not be
+      expect(email_digest.pending_notifications?).not_to be
     end
 
   end
@@ -107,9 +107,9 @@ describe EmailDigest do
       notification2 = create(:notification, notifiable: proposal_notification, user: user1)
       notification3 = create(:notification, notifiable: proposal_notification, user: user2)
 
-      expect(notification1.emailed_at).to_not be
-      expect(notification2.emailed_at).to_not be
-      expect(notification3.emailed_at).to_not be
+      expect(notification1.emailed_at).not_to be
+      expect(notification2.emailed_at).not_to be
+      expect(notification3.emailed_at).not_to be
 
       email_digest = described_class.new(user1)
       email_digest.mark_as_emailed
@@ -119,7 +119,7 @@ describe EmailDigest do
       notification3.reload
       expect(notification1.emailed_at).to be
       expect(notification2.emailed_at).to be
-      expect(notification3.emailed_at).to_not be
+      expect(notification3.emailed_at).not_to be
     end
 
     it "resets the failed_email_digests_count flag" do
diff --git a/spec/lib/graphql_spec.rb b/spec/lib/graphql_spec.rb
index 477291423..b86e06085 100644
--- a/spec/lib/graphql_spec.rb
+++ b/spec/lib/graphql_spec.rb
@@ -387,7 +387,7 @@ describe 'Consul Schema' do
       response = execute('{ comments { edges { node { body } } } }')
       received_comments = extract_fields(response, 'comments', 'body')
 
-      expect(received_comments).to_not include(not_public_debate_comment.body)
+      expect(received_comments).not_to include(not_public_debate_comment.body)
     end
 
     it 'does not include comments of proposals that are not public' do
@@ -398,7 +398,7 @@ describe 'Consul Schema' do
       response = execute('{ comments { edges { node { body } } } }')
       received_comments = extract_fields(response, 'comments', 'body')
 
-      expect(received_comments).to_not include(not_public_proposal_comment.body)
+      expect(received_comments).not_to include(not_public_proposal_comment.body)
     end
 
     it 'does not include comments of polls that are not public' do
@@ -409,7 +409,7 @@ describe 'Consul Schema' do
       response = execute('{ comments { edges { node { body } } } }')
       received_comments = extract_fields(response, 'comments', 'body')
 
-      expect(received_comments).to_not include(not_public_poll_comment.body)
+      expect(received_comments).not_to include(not_public_poll_comment.body)
     end
 
     it 'only returns date and hour for created_at' do
@@ -457,7 +457,7 @@ describe 'Consul Schema' do
       response = execute('{ proposal_notifications { edges { node { title } } } }')
       received_notifications = extract_fields(response, 'proposal_notifications', 'title')
 
-      expect(received_notifications).to_not include(not_public_proposal_notification.title)
+      expect(received_notifications).not_to include(not_public_proposal_notification.title)
     end
 
     it 'only returns date and hour for created_at' do
@@ -563,7 +563,7 @@ describe 'Consul Schema' do
       response = execute('{ tags { edges { node { name } } } }')
       received_tags = extract_fields(response, 'tags', 'name')
 
-      expect(received_tags).to_not include('Health')
+      expect(received_tags).not_to include('Health')
     end
 
   end
@@ -667,7 +667,7 @@ describe 'Consul Schema' do
       response = execute('{ votes { edges { node { votable_id } } } }')
       received_votables = extract_fields(response, 'votes', 'votable_id')
 
-      expect(received_votables).to_not include(not_public_debate.id)
+      expect(received_votables).not_to include(not_public_debate.id)
     end
 
     it 'does not include votes of a hidden proposals' do
@@ -679,7 +679,7 @@ describe 'Consul Schema' do
       response = execute('{ votes { edges { node { votable_id } } } }')
       received_votables = extract_fields(response, 'votes', 'votable_id')
 
-      expect(received_votables).to_not include(not_public_proposal.id)
+      expect(received_votables).not_to include(not_public_proposal.id)
     end
 
     it 'does not include votes of a hidden comments' do
@@ -691,7 +691,7 @@ describe 'Consul Schema' do
       response = execute('{ votes { edges { node { votable_id } } } }')
       received_votables = extract_fields(response, 'votes', 'votable_id')
 
-      expect(received_votables).to_not include(not_public_comment.id)
+      expect(received_votables).not_to include(not_public_comment.id)
     end
 
     it 'only returns date and hour for created_at' do
diff --git a/spec/lib/local_census_spec.rb b/spec/lib/local_census_spec.rb
index 58132a706..0f4286cd4 100644
--- a/spec/lib/local_census_spec.rb
+++ b/spec/lib/local_census_spec.rb
@@ -48,7 +48,7 @@ describe LocalCensus do
       allow(api).to receive(:get_record).with(1, "0123456").and_return(invalid_body)
       response = api.call(1, "123456")
 
-      expect(response).to_not be_valid
+      expect(response).not_to be_valid
     end
   end
 
diff --git a/spec/lib/tasks/dev_seed_spec.rb b/spec/lib/tasks/dev_seed_spec.rb
index 0606033c6..901a9f541 100644
--- a/spec/lib/tasks/dev_seed_spec.rb
+++ b/spec/lib/tasks/dev_seed_spec.rb
@@ -13,6 +13,6 @@ describe 'rake db:dev_seed' do
   end
 
   it 'seeds the database without errors' do
-    expect { run_rake_task }.to_not raise_error
+    expect { run_rake_task }.not_to raise_error
   end
 end
diff --git a/spec/models/activity_spec.rb b/spec/models/activity_spec.rb
index aad181c55..902320ec6 100644
--- a/spec/models/activity_spec.rb
+++ b/spec/models/activity_spec.rb
@@ -13,7 +13,7 @@ describe Activity do
     expect(build(:activity, action: "hide")).to be_valid
     expect(build(:activity, action: "block")).to be_valid
     expect(build(:activity, action: "restore")).to be_valid
-    expect(build(:activity, action: "dissapear")).to_not be_valid
+    expect(build(:activity, action: "dissapear")).not_to be_valid
   end
 
   describe "log" do
diff --git a/spec/models/budget/ballot/line_spec.rb b/spec/models/budget/ballot/line_spec.rb
index 401396569..8d3c66e75 100644
--- a/spec/models/budget/ballot/line_spec.rb
+++ b/spec/models/budget/ballot/line_spec.rb
@@ -21,7 +21,7 @@ describe Budget::Ballot::Line do
     describe 'Money' do
       it "is not valid if insufficient funds" do
         investment.update(price: heading.price + 1)
-        expect(ballot_line).to_not be_valid
+        expect(ballot_line).not_to be_valid
       end
 
       it "is valid if sufficient funds" do
@@ -33,7 +33,7 @@ describe Budget::Ballot::Line do
     describe 'Selectibility' do
       it "is not valid if investment is unselected" do
         investment.update(selected: false)
-        expect(ballot_line).to_not be_valid
+        expect(ballot_line).not_to be_valid
       end
 
       it "is valid if investment is selected" do
@@ -64,7 +64,7 @@ describe Budget::Ballot::Line do
 
         expect(ballot_lines_by_investment).to include ballot_line1
         expect(ballot_lines_by_investment).to include ballot_line2
-        expect(ballot_lines_by_investment).to_not include ballot_line3
+        expect(ballot_lines_by_investment).not_to include ballot_line3
       end
 
     end
diff --git a/spec/models/budget/investment/milestone_spec.rb b/spec/models/budget/investment/milestone_spec.rb
index b6bfe1a7c..b019e8a40 100644
--- a/spec/models/budget/investment/milestone_spec.rb
+++ b/spec/models/budget/investment/milestone_spec.rb
@@ -11,17 +11,17 @@ describe Budget::Investment::Milestone do
 
     it "is not valid without a title" do
       milestone.title = nil
-      expect(milestone).to_not be_valid
+      expect(milestone).not_to be_valid
     end
 
     it "is not valid without a description" do
       milestone.description = nil
-      expect(milestone).to_not be_valid
+      expect(milestone).not_to be_valid
     end
 
     it "is not valid without an investment" do
       milestone.investment_id = nil
-      expect(milestone).to_not be_valid
+      expect(milestone).not_to be_valid
     end
   end
 
diff --git a/spec/models/budget/investment_spec.rb b/spec/models/budget/investment_spec.rb
index 2472b8bda..a04134ce4 100644
--- a/spec/models/budget/investment_spec.rb
+++ b/spec/models/budget/investment_spec.rb
@@ -13,23 +13,23 @@ describe Budget::Investment do
 
   it "is not valid without an author" do
     investment.author = nil
-    expect(investment).to_not be_valid
+    expect(investment).not_to be_valid
   end
 
   describe "#title" do
     it "is not valid without a title" do
       investment.title = nil
-      expect(investment).to_not be_valid
+      expect(investment).not_to be_valid
     end
 
     it "is not valid when very short" do
       investment.title = "abc"
-      expect(investment).to_not be_valid
+      expect(investment).not_to be_valid
     end
 
     it "is not valid when very long" do
       investment.title = "a" * 81
-      expect(investment).to_not be_valid
+      expect(investment).not_to be_valid
     end
   end
 
@@ -78,7 +78,7 @@ describe Budget::Investment do
       investment.unfeasibility_explanation = ""
       investment.feasibility = "unfeasible"
       investment.valuation_finished = true
-      expect(investment).to_not be_valid
+      expect(investment).not_to be_valid
     end
   end
 
@@ -101,7 +101,7 @@ describe Budget::Investment do
       investment.price = ""
       investment.feasibility = "feasible"
       investment.valuation_finished = true
-      expect(investment).to_not be_valid
+      expect(investment).not_to be_valid
     end
   end
 
@@ -122,7 +122,7 @@ describe Budget::Investment do
     let(:investment) { create(:budget_investment) }
 
     it "sets the time when the unfeasible email was sent" do
-      expect(investment.unfeasible_email_sent_at).to_not be
+      expect(investment.unfeasible_email_sent_at).not_to be
       investment.send_unfeasible_email
       expect(investment.unfeasible_email_sent_at).to be
     end
@@ -403,7 +403,7 @@ describe Budget::Investment do
 
       expect(results).to     include investment1
       expect(results).to     include investment2
-      expect(results).to_not include investment3
+      expect(results).not_to include investment3
     end
 
     it "returns unfeasible investments" do
@@ -415,7 +415,7 @@ describe Budget::Investment do
 
       expect(results).to     include investment1
       expect(results).to     include investment2
-      expect(results).to_not include investment3
+      expect(results).not_to include investment3
     end
 
     it "returns selected investments" do
@@ -429,7 +429,7 @@ describe Budget::Investment do
 
       expect(results).to     include investment1
       expect(results).to     include investment2
-      expect(results).to_not include investment3
+      expect(results).not_to include investment3
     end
 
     it "returns unselected investments" do
@@ -443,7 +443,7 @@ describe Budget::Investment do
 
       expect(results).to     include investment1
       expect(results).to     include investment2
-      expect(results).to_not include investment3
+      expect(results).not_to include investment3
     end
 
     it "returns investmens by heading" do
@@ -460,7 +460,7 @@ describe Budget::Investment do
 
       expect(results).to     include investment1
       expect(results).to     include investment2
-      expect(results).to_not include investment3
+      expect(results).not_to include investment3
     end
 
     it "returns investments by search string" do
@@ -472,7 +472,7 @@ describe Budget::Investment do
 
       expect(results).to     include investment1
       expect(results).to     include investment2
-      expect(results).to_not include investment3
+      expect(results).not_to include investment3
     end
   end
 
@@ -643,7 +643,7 @@ describe Budget::Investment do
       create(:vote, votable: inv1)
 
       expect(described_class.with_supports).to include(inv1)
-      expect(described_class.with_supports).to_not include(inv2)
+      expect(described_class.with_supports).not_to include(inv2)
     end
   end
 
diff --git a/spec/models/budget/reclassified_vote_spec.rb b/spec/models/budget/reclassified_vote_spec.rb
index 0eca91f2e..059b5595c 100644
--- a/spec/models/budget/reclassified_vote_spec.rb
+++ b/spec/models/budget/reclassified_vote_spec.rb
@@ -11,23 +11,23 @@ describe Budget::ReclassifiedVote do
 
     it "is not valid without a user" do
       reclassified_vote.user_id = nil
-      expect(reclassified_vote).to_not be_valid
+      expect(reclassified_vote).not_to be_valid
     end
 
     it "is not valid without an investment" do
       reclassified_vote.investment_id = nil
-      expect(reclassified_vote).to_not be_valid
+      expect(reclassified_vote).not_to be_valid
     end
 
     it "is not valid without a valid reason" do
       reclassified_vote.reason = nil
-      expect(reclassified_vote).to_not be_valid
+      expect(reclassified_vote).not_to be_valid
 
       reclassified_vote.reason = ""
-      expect(reclassified_vote).to_not be_valid
+      expect(reclassified_vote).not_to be_valid
 
       reclassified_vote.reason = "random"
-      expect(reclassified_vote).to_not be_valid
+      expect(reclassified_vote).not_to be_valid
 
       reclassified_vote.reason = "heading_changed"
       expect(reclassified_vote).to be_valid
diff --git a/spec/models/budget_spec.rb b/spec/models/budget_spec.rb
index 7b80d7a67..b7926eb7b 100644
--- a/spec/models/budget_spec.rb
+++ b/spec/models/budget_spec.rb
@@ -36,7 +36,7 @@ describe Budget do
       end
 
       budget.phase = 'inexisting'
-      expect(budget).to_not be_valid
+      expect(budget).not_to be_valid
     end
 
     it "produces auxiliary methods" do
@@ -64,39 +64,39 @@ describe Budget do
 
     it "on_hold?" do
       budget.phase = "accepting"
-      expect(budget).to_not be_on_hold
+      expect(budget).not_to be_on_hold
 
       budget.phase = "reviewing"
       expect(budget).to be_on_hold
 
       budget.phase = "selecting"
-      expect(budget).to_not be_on_hold
+      expect(budget).not_to be_on_hold
 
       budget.phase = "valuating"
       expect(budget).to be_on_hold
 
       budget.phase = "balloting"
-      expect(budget).to_not be_on_hold
+      expect(budget).not_to be_on_hold
 
       budget.phase = "reviewing_ballots"
       expect(budget).to be_on_hold
 
       budget.phase = "finished"
-      expect(budget).to_not be_on_hold
+      expect(budget).not_to be_on_hold
     end
 
     it "balloting_or_later?" do
       budget.phase = "accepting"
-      expect(budget).to_not be_balloting_or_later
+      expect(budget).not_to be_balloting_or_later
 
       budget.phase = "reviewing"
-      expect(budget).to_not be_balloting_or_later
+      expect(budget).not_to be_balloting_or_later
 
       budget.phase = "selecting"
-      expect(budget).to_not be_balloting_or_later
+      expect(budget).not_to be_balloting_or_later
 
       budget.phase = "valuating"
-      expect(budget).to_not be_balloting_or_later
+      expect(budget).not_to be_balloting_or_later
 
       budget.phase = "balloting"
       expect(budget).to be_balloting_or_later
diff --git a/spec/models/comment_spec.rb b/spec/models/comment_spec.rb
index ae772fa3f..fb55c6a81 100644
--- a/spec/models/comment_spec.rb
+++ b/spec/models/comment_spec.rb
@@ -185,7 +185,7 @@ describe Comment do
     it 'does not return comments with no commentable' do
       comment = build(:comment, commentable: nil).save!(validate: false)
 
-      expect(described_class.public_for_api).to_not include(comment)
+      expect(described_class.public_for_api).not_to include(comment)
     end
   end
 end
diff --git a/spec/models/debate_spec.rb b/spec/models/debate_spec.rb
index 88e5383da..6f9104fa8 100644
--- a/spec/models/debate_spec.rb
+++ b/spec/models/debate_spec.rb
@@ -15,30 +15,30 @@ describe Debate do
 
   it "is not valid without an author" do
     debate.author = nil
-    expect(debate).to_not be_valid
+    expect(debate).not_to be_valid
   end
 
   describe "#title" do
     it "is not valid without a title" do
       debate.title = nil
-      expect(debate).to_not be_valid
+      expect(debate).not_to be_valid
     end
 
     it "is not valid when very short" do
       debate.title = "abc"
-      expect(debate).to_not be_valid
+      expect(debate).not_to be_valid
     end
 
     it "is not valid when very long" do
       debate.title = "a" * 81
-      expect(debate).to_not be_valid
+      expect(debate).not_to be_valid
     end
   end
 
   describe "#description" do
     it "is not valid without a description" do
       debate.description = nil
-      expect(debate).to_not be_valid
+      expect(debate).not_to be_valid
     end
 
     it "is sanitized" do
@@ -54,12 +54,12 @@ describe Debate do
 
     it "is not valid when very short" do
       debate.description = "abc"
-      expect(debate).to_not be_valid
+      expect(debate).not_to be_valid
     end
 
     it "is not valid when very long" do
       debate.description = "a" * 6001
-      expect(debate).to_not be_valid
+      expect(debate).not_to be_valid
     end
   end
 
@@ -72,7 +72,7 @@ describe Debate do
 
     it "is not valid with a tag list of more than 6 elements" do
       debate.tag_list = ["Hacienda", "Economía", "Medio Ambiente", "Corrupción", "Fiestas populares", "Prensa", "Huelgas"]
-      expect(debate).to_not be_valid
+      expect(debate).not_to be_valid
     end
 
     it "is valid with a tag list of 6 elements" do
@@ -83,7 +83,7 @@ describe Debate do
 
   it "is not valid without accepting terms of service" do
     debate.terms_of_service = nil
-    expect(debate).to_not be_valid
+    expect(debate).not_to be_valid
   end
 
   describe "#editable?" do
@@ -181,7 +181,7 @@ describe Debate do
 
       it "does not increase anonymous votes counter " do
         user = create(:user, residence_verified_at: Time.current, confirmed_phone: "666333111")
-        expect {debate.register_vote(user, 'yes')}.to_not change{debate.reload.cached_anonymous_votes_total}
+        expect {debate.register_vote(user, 'yes')}.not_to change{debate.reload.cached_anonymous_votes_total}
       end
     end
 
@@ -193,7 +193,7 @@ describe Debate do
 
       it "does not increase anonymous votes counter " do
         user = create(:user, verified_at: Time.current)
-        expect {debate.register_vote(user, 'yes')}.to_not change{debate.reload.cached_anonymous_votes_total}
+        expect {debate.register_vote(user, 'yes')}.not_to change{debate.reload.cached_anonymous_votes_total}
       end
     end
 
@@ -216,12 +216,12 @@ describe Debate do
 
       it "does not register vote " do
         user = create(:user)
-        expect {debate.register_vote(user, 'yes')}.to_not change {debate.reload.votes_for.size}
+        expect {debate.register_vote(user, 'yes')}.not_to change {debate.reload.votes_for.size}
       end
 
       it "does not increase anonymous votes counter " do
         user = create(:user)
-        expect {debate.register_vote(user, 'yes')}.to_not change {debate.reload.cached_anonymous_votes_total}
+        expect {debate.register_vote(user, 'yes')}.not_to change {debate.reload.cached_anonymous_votes_total}
       end
     end
   end
@@ -418,25 +418,25 @@ describe Debate do
     it "returns false when it has less than or equal to 1 flag for 5 positive votes" do
       debate.update(cached_votes_up: 5)
       debate.update(flags_count: 1)
-      expect(debate).to_not be_conflictive
+      expect(debate).not_to be_conflictive
 
       debate.update(cached_votes_up: 10)
       debate.update(flags_count: 2)
-      expect(debate).to_not be_conflictive
+      expect(debate).not_to be_conflictive
 
       debate.update(cached_votes_up: 100)
       debate.update(flags_count: 2)
-      expect(debate).to_not be_conflictive
+      expect(debate).not_to be_conflictive
     end
 
     it "returns false when it has no flags" do
       debate.update(flags_count: 0)
-      expect(debate).to_not be_conflictive
+      expect(debate).not_to be_conflictive
     end
 
     it "returns false when it has not votes up" do
       debate.update(cached_votes_up: 0)
-      expect(debate).to_not be_conflictive
+      expect(debate).not_to be_conflictive
     end
 
   end
@@ -697,7 +697,7 @@ describe Debate do
 
     it "does not show debates created more than a week ago" do
       debate = create(:debate, created_at: 8.days.ago)
-      expect(described_class.last_week.all).to_not include debate
+      expect(described_class.last_week.all).not_to include debate
     end
   end
 
@@ -715,7 +715,7 @@ describe Debate do
 
     it 'does not return hidden debates' do
       debate = create(:debate, :hidden)
-      expect(described_class.public_for_api).to_not include(debate)
+      expect(described_class.public_for_api).not_to include(debate)
     end
   end
 
diff --git a/spec/models/direct_message_spec.rb b/spec/models/direct_message_spec.rb
index 6e97e6958..4cb3d1c45 100644
--- a/spec/models/direct_message_spec.rb
+++ b/spec/models/direct_message_spec.rb
@@ -10,22 +10,22 @@ describe DirectMessage do
 
   it "is not valid without a title" do
     direct_message.title = nil
-    expect(direct_message).to_not be_valid
+    expect(direct_message).not_to be_valid
   end
 
   it "is not valid without a body" do
     direct_message.body = nil
-    expect(direct_message).to_not be_valid
+    expect(direct_message).not_to be_valid
   end
 
   it "is not valid without an associated sender" do
     direct_message.sender = nil
-    expect(direct_message).to_not be_valid
+    expect(direct_message).not_to be_valid
   end
 
   it "is not valid without an associated receiver" do
     direct_message.receiver = nil
-    expect(direct_message).to_not be_valid
+    expect(direct_message).not_to be_valid
   end
 
   describe "maximum number of direct messages per day" do
@@ -41,7 +41,7 @@ describe DirectMessage do
         direct_message3 = create(:direct_message, sender: sender)
 
         direct_message4 = build(:direct_message, sender: sender)
-        expect(direct_message4).to_not be_valid
+        expect(direct_message4).not_to be_valid
       end
 
       it "is valid if below maximum" do
diff --git a/spec/models/flag_spec.rb b/spec/models/flag_spec.rb
index 43d6a6a46..50caf8d46 100644
--- a/spec/models/flag_spec.rb
+++ b/spec/models/flag_spec.rb
@@ -44,7 +44,7 @@ describe Flag do
 
   describe '.flagged?' do
     it 'returns false when the user has not flagged the comment' do
-      expect(described_class.flagged?(user, comment)).to_not be
+      expect(described_class.flagged?(user, comment)).not_to be
     end
 
     it 'returns true when the user has flagged the comment' do
diff --git a/spec/models/follow_spec.rb b/spec/models/follow_spec.rb
index 5f7874267..d2014fed3 100644
--- a/spec/models/follow_spec.rb
+++ b/spec/models/follow_spec.rb
@@ -10,17 +10,17 @@ describe Follow do
 
   it "is not valid without a user_id" do
     follow.user_id = nil
-    expect(follow).to_not be_valid
+    expect(follow).not_to be_valid
   end
 
   it "is not valid without a followable_id" do
     follow.followable_id = nil
-    expect(follow).to_not be_valid
+    expect(follow).not_to be_valid
   end
 
   it "is not valid without a followable_type" do
     follow.followable_type = nil
-    expect(follow).to_not be_valid
+    expect(follow).not_to be_valid
   end
 
 end
diff --git a/spec/models/geozone_spec.rb b/spec/models/geozone_spec.rb
index 674cb2181..69c423f7a 100644
--- a/spec/models/geozone_spec.rb
+++ b/spec/models/geozone_spec.rb
@@ -9,7 +9,7 @@ describe Geozone do
 
   it "is not valid without a name" do
     geozone.name = nil
-    expect(geozone).to_not be_valid
+    expect(geozone).not_to be_valid
   end
 
   describe "#safe_to_destroy?" do
diff --git a/spec/models/legislation/process_spec.rb b/spec/models/legislation/process_spec.rb
index f3f1616b8..aef705d33 100644
--- a/spec/models/legislation/process_spec.rb
+++ b/spec/models/legislation/process_spec.rb
@@ -79,24 +79,24 @@ describe Legislation::Process do
       open_processes = ::Legislation::Process.open
 
       expect(open_processes).to include(@process_1)
-      expect(open_processes).to_not include(@process_2)
-      expect(open_processes).to_not include(@process_3)
+      expect(open_processes).not_to include(@process_2)
+      expect(open_processes).not_to include(@process_3)
     end
 
     it "filters next" do
       next_processes = ::Legislation::Process.next
 
       expect(next_processes).to include(@process_2)
-      expect(next_processes).to_not include(@process_1)
-      expect(next_processes).to_not include(@process_3)
+      expect(next_processes).not_to include(@process_1)
+      expect(next_processes).not_to include(@process_3)
     end
 
     it "filters past" do
       past_processes = ::Legislation::Process.past
 
       expect(past_processes).to include(@process_3)
-      expect(past_processes).to_not include(@process_2)
-      expect(past_processes).to_not include(@process_1)
+      expect(past_processes).not_to include(@process_2)
+      expect(past_processes).not_to include(@process_1)
     end
   end
 
diff --git a/spec/models/legislation/proposal_spec.rb b/spec/models/legislation/proposal_spec.rb
index 892164e17..4606acabc 100644
--- a/spec/models/legislation/proposal_spec.rb
+++ b/spec/models/legislation/proposal_spec.rb
@@ -9,22 +9,22 @@ describe Legislation::Proposal do
 
   it "is not valid without a process" do
     proposal.process = nil
-    expect(proposal).to_not be_valid
+    expect(proposal).not_to be_valid
   end
 
   it "is not valid without an author" do
     proposal.author = nil
-    expect(proposal).to_not be_valid
+    expect(proposal).not_to be_valid
   end
 
   it "is not valid without a title" do
     proposal.title = nil
-    expect(proposal).to_not be_valid
+    expect(proposal).not_to be_valid
   end
 
   it "is not valid without a summary" do
     proposal.summary = nil
-    expect(proposal).to_not be_valid
+    expect(proposal).not_to be_valid
   end
 
 end
diff --git a/spec/models/legislation/question_option_spec.rb b/spec/models/legislation/question_option_spec.rb
index 0b635cfe9..1fd7eb307 100644
--- a/spec/models/legislation/question_option_spec.rb
+++ b/spec/models/legislation/question_option_spec.rb
@@ -13,6 +13,6 @@ RSpec.describe Legislation::QuestionOption, type: :model do
 
     invalid_question_option = build(:legislation_question_option, question: question, value: "uno")
 
-    expect(invalid_question_option).to_not be_valid
+    expect(invalid_question_option).not_to be_valid
   end
 end
diff --git a/spec/models/officing/residence_spec.rb b/spec/models/officing/residence_spec.rb
index daff43ce1..dca6b7a59 100644
--- a/spec/models/officing/residence_spec.rb
+++ b/spec/models/officing/residence_spec.rb
@@ -13,23 +13,23 @@ describe Officing::Residence do
 
     it "is not valid without a document number" do
       residence.document_number = nil
-      expect(residence).to_not be_valid
+      expect(residence).not_to be_valid
     end
 
     it "is not valid without a document type" do
       residence.document_type = nil
-      expect(residence).to_not be_valid
+      expect(residence).not_to be_valid
     end
 
     it "is not valid without a year of birth" do
       residence.year_of_birth = nil
-      expect(residence).to_not be_valid
+      expect(residence).not_to be_valid
     end
 
     describe "allowed age" do
       it "is not valid if user is under allowed age" do
         allow_any_instance_of(described_class).to receive(:date_of_birth).and_return(15.years.ago)
-        expect(residence).to_not be_valid
+        expect(residence).not_to be_valid
         expect(residence.errors[:year_of_birth]).to include("You don't have the required age to participate")
       end
 
diff --git a/spec/models/poll/answer_spec.rb b/spec/models/poll/answer_spec.rb
index 0582efd86..9211046c9 100644
--- a/spec/models/poll/answer_spec.rb
+++ b/spec/models/poll/answer_spec.rb
@@ -12,17 +12,17 @@ describe Poll::Answer do
 
     it "is not valid wihout a question" do
       answer.question = nil
-      expect(answer).to_not be_valid
+      expect(answer).not_to be_valid
     end
 
     it "is not valid without an author" do
       answer.author = nil
-      expect(answer).to_not be_valid
+      expect(answer).not_to be_valid
     end
 
     it "is not valid without an answer" do
       answer.answer = nil
-      expect(answer).to_not be_valid
+      expect(answer).not_to be_valid
     end
 
     it "is valid for answers included in the Poll::Question's question_answers list" do
@@ -35,7 +35,7 @@ describe Poll::Answer do
       expect(build(:poll_answer, question: question, answer: 'Two')).to be_valid
       expect(build(:poll_answer, question: question, answer: 'Three')).to be_valid
 
-      expect(build(:poll_answer, question: question, answer: 'Four')).to_not be_valid
+      expect(build(:poll_answer, question: question, answer: 'Four')).not_to be_valid
     end
   end
 
diff --git a/spec/models/poll/booth_spec.rb b/spec/models/poll/booth_spec.rb
index 652e1060c..e4fccdbb9 100644
--- a/spec/models/poll/booth_spec.rb
+++ b/spec/models/poll/booth_spec.rb
@@ -10,7 +10,7 @@ describe Poll::Booth do
 
   it "is not valid without a name" do
     booth.name = nil
-    expect(booth).to_not be_valid
+    expect(booth).not_to be_valid
   end
 
   describe "#search" do
@@ -41,7 +41,7 @@ describe Poll::Booth do
 
       expect(described_class.available).to include(booth_for_current_poll)
       expect(described_class.available).to include(booth_for_incoming_poll)
-      expect(described_class.available).to_not include(booth_for_expired_poll)
+      expect(described_class.available).not_to include(booth_for_expired_poll)
     end
 
   end
diff --git a/spec/models/poll/partial_result_spec.rb b/spec/models/poll/partial_result_spec.rb
index 7fa1e5e4a..4d72fa986 100644
--- a/spec/models/poll/partial_result_spec.rb
+++ b/spec/models/poll/partial_result_spec.rb
@@ -13,7 +13,7 @@ describe Poll::PartialResult do
       expect(build(:poll_partial_result, question: question, answer: 'Two')).to be_valid
       expect(build(:poll_partial_result, question: question, answer: 'Three')).to be_valid
 
-      expect(build(:poll_partial_result, question: question, answer: 'Four')).to_not be_valid
+      expect(build(:poll_partial_result, question: question, answer: 'Four')).not_to be_valid
     end
   end
 
diff --git a/spec/models/poll/poll_spec.rb b/spec/models/poll/poll_spec.rb
index d97c3805a..d9ebaa4cd 100644
--- a/spec/models/poll/poll_spec.rb
+++ b/spec/models/poll/poll_spec.rb
@@ -15,30 +15,30 @@ describe Poll do
 
     it "is not valid without a name" do
       poll.name = nil
-      expect(poll).to_not be_valid
+      expect(poll).not_to be_valid
     end
 
     it "is not valid without a start date" do
       poll.starts_at = nil
-      expect(poll).to_not be_valid
+      expect(poll).not_to be_valid
     end
 
     it "is not valid without an end date" do
       poll.ends_at = nil
-      expect(poll).to_not be_valid
+      expect(poll).not_to be_valid
     end
 
     it "is not valid without a proper start/end date range" do
       poll.starts_at = 1.week.ago
       poll.ends_at = 2.months.ago
-      expect(poll).to_not be_valid
+      expect(poll).not_to be_valid
     end
   end
 
   describe "#opened?" do
     it "returns true only when it isn't too early or too late" do
-      expect(create(:poll, :incoming)).to_not be_current
-      expect(create(:poll, :expired)).to_not be_current
+      expect(create(:poll, :incoming)).not_to be_current
+      expect(create(:poll, :expired)).not_to be_current
       expect(create(:poll)).to be_current
     end
   end
@@ -46,22 +46,22 @@ describe Poll do
   describe "#incoming?" do
     it "returns true only when it is too early" do
       expect(create(:poll, :incoming)).to be_incoming
-      expect(create(:poll, :expired)).to_not be_incoming
-      expect(create(:poll)).to_not be_incoming
+      expect(create(:poll, :expired)).not_to be_incoming
+      expect(create(:poll)).not_to be_incoming
     end
   end
 
   describe "#expired?" do
     it "returns true only when it is too late" do
-      expect(create(:poll, :incoming)).to_not be_expired
+      expect(create(:poll, :incoming)).not_to be_expired
       expect(create(:poll, :expired)).to be_expired
-      expect(create(:poll)).to_not be_expired
+      expect(create(:poll)).not_to be_expired
     end
   end
 
   describe "#published?" do
     it "returns true only when published is true" do
-      expect(create(:poll)).to_not be_published
+      expect(create(:poll)).not_to be_published
       expect(create(:poll, :published)).to be_published
     end
   end
@@ -76,7 +76,7 @@ describe Poll do
 
       expect(current_or_incoming).to include(current)
       expect(current_or_incoming).to include(incoming)
-      expect(current_or_incoming).to_not include(expired)
+      expect(current_or_incoming).not_to include(expired)
     end
   end
 
@@ -89,9 +89,9 @@ describe Poll do
 
       recounting_polls = described_class.recounting
 
-      expect(recounting_polls).to_not include(current)
-      expect(recounting_polls).to_not include(incoming)
-      expect(recounting_polls).to_not include(expired)
+      expect(recounting_polls).not_to include(current)
+      expect(recounting_polls).not_to include(incoming)
+      expect(recounting_polls).not_to include(expired)
       expect(recounting_polls).to include(recounting)
     end
   end
@@ -108,7 +108,7 @@ describe Poll do
       expect(current_or_recounting_or_incoming).to include(current)
       expect(current_or_recounting_or_incoming).to include(recounting)
       expect(current_or_recounting_or_incoming).to include(incoming)
-      expect(current_or_recounting_or_incoming).to_not include(expired)
+      expect(current_or_recounting_or_incoming).not_to include(expired)
     end
   end
 
@@ -133,15 +133,15 @@ describe Poll do
     describe 'instance method' do
       it "rejects non-users and level 1 users" do
         all_polls.each do |poll|
-          expect(poll).to_not be_answerable_by(non_user)
-          expect(poll).to_not be_answerable_by(level1)
+          expect(poll).not_to be_answerable_by(non_user)
+          expect(poll).not_to be_answerable_by(level1)
         end
       end
 
       it "rejects everyone when not current" do
         non_current_polls.each do |poll|
           all_users.each do |user|
-            expect(poll).to_not be_answerable_by(user)
+            expect(poll).not_to be_answerable_by(user)
           end
         end
       end
@@ -152,7 +152,7 @@ describe Poll do
       end
 
       it "accepts level 2 users only from the same geozone when restricted by geozone" do
-        expect(current_restricted_poll).to_not be_answerable_by(level2)
+        expect(current_restricted_poll).not_to be_answerable_by(level2)
         expect(current_restricted_poll).to be_answerable_by(level2_from_geozone)
       end
     end
@@ -190,7 +190,7 @@ describe Poll do
       user = create(:user, :level_two)
       poll = create(:poll)
 
-      expect(poll.voted_in_booth?(user)).to_not be
+      expect(poll.voted_in_booth?(user)).not_to be
     end
 
     it "returns false if the user has voted in web" do
@@ -199,7 +199,7 @@ describe Poll do
 
       create(:poll_voter, poll: poll, user: user, origin: "web")
 
-      expect(poll.voted_in_booth?(user)).to_not be
+      expect(poll.voted_in_booth?(user)).not_to be
     end
 
   end
diff --git a/spec/models/poll/question_spec.rb b/spec/models/poll/question_spec.rb
index 43f2de7a9..c43cedace 100644
--- a/spec/models/poll/question_spec.rb
+++ b/spec/models/poll/question_spec.rb
@@ -6,7 +6,7 @@ RSpec.describe Poll::Question, type: :model do
   describe "#poll_question_id" do
     it "is invalid if a poll is not selected" do
       poll_question.poll_id = nil
-      expect(poll_question).to_not be_valid
+      expect(poll_question).not_to be_valid
     end
 
     it "is valid if a poll is selected" do
diff --git a/spec/models/poll/shift_spec.rb b/spec/models/poll/shift_spec.rb
index bb1146baa..a4aa5451c 100644
--- a/spec/models/poll/shift_spec.rb
+++ b/spec/models/poll/shift_spec.rb
@@ -16,28 +16,28 @@ describe Poll::Shift do
 
     it "is not valid without a booth" do
       shift.booth = nil
-      expect(shift).to_not be_valid
+      expect(shift).not_to be_valid
     end
 
     it "is not valid without an officer" do
       shift.officer = nil
-      expect(shift).to_not be_valid
+      expect(shift).not_to be_valid
     end
 
     it "is not valid without a date" do
       shift.date = nil
-      expect(shift).to_not be_valid
+      expect(shift).not_to be_valid
     end
 
     it "is not valid without a task" do
       shift.task = nil
-      expect(shift).to_not be_valid
+      expect(shift).not_to be_valid
     end
 
     it "is not valid with same booth, officer, date and task" do
       recount_shift.save
 
-      expect(build(:poll_shift, booth: booth, officer: officer, date: Date.current, task: :recount_scrutiny)).to_not be_valid
+      expect(build(:poll_shift, booth: booth, officer: officer, date: Date.current, task: :recount_scrutiny)).not_to be_valid
     end
 
     it "is valid with same booth, officer and date but different task" do
diff --git a/spec/models/poll/voter_spec.rb b/spec/models/poll/voter_spec.rb
index df28383bb..a82aece1f 100644
--- a/spec/models/poll/voter_spec.rb
+++ b/spec/models/poll/voter_spec.rb
@@ -15,12 +15,12 @@ describe Poll::Voter do
 
     it "is not valid without a user" do
       voter.user = nil
-      expect(voter).to_not be_valid
+      expect(voter).not_to be_valid
     end
 
     it "is not valid without a poll" do
       voter.poll = nil
-      expect(voter).to_not be_valid
+      expect(voter).not_to be_valid
     end
 
     it "is valid if has not voted" do
@@ -35,7 +35,7 @@ describe Poll::Voter do
       voter1 = create(:poll_voter, user: user, poll: poll)
       voter2 = build(:poll_voter, user: user, poll: poll)
 
-      expect(voter2).to_not be_valid
+      expect(voter2).not_to be_valid
       expect(voter2.errors.messages[:document_number]).to eq(["User has already voted"])
     end
 
@@ -45,7 +45,7 @@ describe Poll::Voter do
       voter1 = create(:poll_voter, user: user, poll: poll, booth_assignment: booth_assignment)
       voter2 = build(:poll_voter, user: user, poll: poll, booth_assignment: booth_assignment)
 
-      expect(voter2).to_not be_valid
+      expect(voter2).not_to be_valid
       expect(voter2.errors.messages[:document_number]).to eq(["User has already voted"])
     end
 
@@ -58,7 +58,7 @@ describe Poll::Voter do
       voter1 = create(:poll_voter, user: user, poll: poll, booth_assignment: booth_assignment1)
       voter2 = build(:poll_voter, user: user, poll: poll, booth_assignment: booth_assignment2)
 
-      expect(voter2).to_not be_valid
+      expect(voter2).not_to be_valid
       expect(voter2.errors.messages[:document_number]).to eq(["User has already voted"])
     end
 
@@ -79,7 +79,7 @@ describe Poll::Voter do
       answer.record_voter_participation('token')
 
       voter = build(:poll_voter, poll: answer.question.poll, user: answer.author)
-      expect(voter).to_not be_valid
+      expect(voter).not_to be_valid
       expect(voter.errors.messages[:document_number]).to eq(["User has already voted"])
     end
 
@@ -87,12 +87,12 @@ describe Poll::Voter do
 
       it "is not valid without an origin" do
         voter.origin = nil
-        expect(voter).to_not be_valid
+        expect(voter).not_to be_valid
       end
 
       it "is not valid without a valid origin" do
         voter.origin = "invalid_origin"
-        expect(voter).to_not be_valid
+        expect(voter).not_to be_valid
       end
 
       it "is valid with a booth origin" do
@@ -122,7 +122,7 @@ describe Poll::Voter do
         expect(web_voters.count).to eq(2)
         expect(web_voters).to     include(voter1)
         expect(web_voters).to     include(voter2)
-        expect(web_voters).to_not include(voter3)
+        expect(web_voters).not_to include(voter3)
       end
     end
 
@@ -137,7 +137,7 @@ describe Poll::Voter do
         expect(booth_voters.count).to eq(2)
         expect(booth_voters).to     include(voter1)
         expect(booth_voters).to     include(voter2)
-        expect(booth_voters).to_not include(voter3)
+        expect(booth_voters).not_to include(voter3)
       end
     end
 
diff --git a/spec/models/proposal_notification_spec.rb b/spec/models/proposal_notification_spec.rb
index 884e87cd6..60021d95c 100644
--- a/spec/models/proposal_notification_spec.rb
+++ b/spec/models/proposal_notification_spec.rb
@@ -9,17 +9,17 @@ describe ProposalNotification do
 
   it "is not valid without a title" do
     notification.title = nil
-    expect(notification).to_not be_valid
+    expect(notification).not_to be_valid
   end
 
   it "is not valid without a body" do
     notification.body = nil
-    expect(notification).to_not be_valid
+    expect(notification).not_to be_valid
   end
 
   it "is not valid without an associated proposal" do
     notification.proposal = nil
-    expect(notification).to_not be_valid
+    expect(notification).not_to be_valid
   end
 
   describe "public_for_api scope" do
@@ -57,7 +57,7 @@ describe ProposalNotification do
       notification2 = build(:proposal_notification, proposal: proposal)
 
       proposal.reload
-      expect(notification2).to_not be_valid
+      expect(notification2).not_to be_valid
     end
 
     it "is valid if notifications above minium interval" do
diff --git a/spec/models/proposal_spec.rb b/spec/models/proposal_spec.rb
index 6ddbcd117..28c620d36 100644
--- a/spec/models/proposal_spec.rb
+++ b/spec/models/proposal_spec.rb
@@ -16,28 +16,28 @@ describe Proposal do
 
   it "is not valid without an author" do
     proposal.author = nil
-    expect(proposal).to_not be_valid
+    expect(proposal).not_to be_valid
   end
 
   it "is not valid without a summary" do
     proposal.summary = nil
-    expect(proposal).to_not be_valid
+    expect(proposal).not_to be_valid
   end
 
   describe "#title" do
     it "is not valid without a title" do
       proposal.title = nil
-      expect(proposal).to_not be_valid
+      expect(proposal).not_to be_valid
     end
 
     it "is not valid when very short" do
       proposal.title = "abc"
-      expect(proposal).to_not be_valid
+      expect(proposal).not_to be_valid
     end
 
     it "is not valid when very long" do
       proposal.title = "a" * 81
-      expect(proposal).to_not be_valid
+      expect(proposal).not_to be_valid
     end
   end
 
@@ -50,31 +50,31 @@ describe Proposal do
 
     it "is not valid when very long" do
       proposal.description = "a" * 6001
-      expect(proposal).to_not be_valid
+      expect(proposal).not_to be_valid
     end
   end
 
   describe "#question" do
     it "is not valid without a question" do
       proposal.question = nil
-      expect(proposal).to_not be_valid
+      expect(proposal).not_to be_valid
     end
 
     it "is not valid when very short" do
       proposal.question = "abc"
-      expect(proposal).to_not be_valid
+      expect(proposal).not_to be_valid
     end
 
     it "is not valid when very long" do
       proposal.question = "a" * 141
-      expect(proposal).to_not be_valid
+      expect(proposal).not_to be_valid
     end
   end
 
   describe "#video_url" do
     it "is not valid when URL is not from Youtube or Vimeo" do
       proposal.video_url = "https://twitter.com"
-      expect(proposal).to_not be_valid
+      expect(proposal).not_to be_valid
     end
 
     it "is valid when URL is from Youtube or Vimeo" do
@@ -86,17 +86,17 @@ describe Proposal do
   describe "#responsible_name" do
     it "is mandatory" do
       proposal.responsible_name = nil
-      expect(proposal).to_not be_valid
+      expect(proposal).not_to be_valid
     end
 
     it "is not valid when very short" do
       proposal.responsible_name = "abc"
-      expect(proposal).to_not be_valid
+      expect(proposal).not_to be_valid
     end
 
     it "is not valid when very long" do
       proposal.responsible_name = "a" * 61
-      expect(proposal).to_not be_valid
+      expect(proposal).not_to be_valid
     end
 
     it "is the document_number if level two user" do
@@ -138,7 +138,7 @@ describe Proposal do
 
     it "is not valid with a tag list of more than 6 elements" do
       proposal.tag_list = ["Hacienda", "Economía", "Medio Ambiente", "Corrupción", "Fiestas populares", "Prensa", "Huelgas"]
-      expect(proposal).to_not be_valid
+      expect(proposal).not_to be_valid
     end
 
     it "is valid with a tag list of up to 6 elements" do
@@ -149,7 +149,7 @@ describe Proposal do
 
   it "is not valid without accepting terms of service" do
     proposal.terms_of_service = nil
-    expect(proposal).to_not be_valid
+    expect(proposal).not_to be_valid
   end
 
   it "has a code" do
@@ -409,7 +409,7 @@ describe Proposal do
 
       expect(proposal.voters).to include(voter1)
       expect(proposal.voters).to include(voter2)
-      expect(proposal.voters).to_not include(voter3)
+      expect(proposal.voters).not_to include(voter3)
     end
 
     it "does not return users that have been erased" do
@@ -422,7 +422,7 @@ describe Proposal do
       voter2.erase
 
       expect(proposal.voters).to include(voter1)
-      expect(proposal.voters).to_not include(voter2)
+      expect(proposal.voters).not_to include(voter2)
     end
 
     it "does not return users that have been blocked" do
@@ -435,7 +435,7 @@ describe Proposal do
       voter2.block
 
       expect(proposal.voters).to include(voter1)
-      expect(proposal.voters).to_not include(voter2)
+      expect(proposal.voters).not_to include(voter2)
     end
 
   end
@@ -711,7 +711,7 @@ describe Proposal do
 
     it "does not return proposals created more than a week ago" do
       proposal = create(:proposal, created_at: 8.days.ago)
-      expect(described_class.last_week).to_not include(proposal)
+      expect(described_class.last_week).not_to include(proposal)
     end
   end
 
@@ -730,7 +730,7 @@ describe Proposal do
         create(:tag, :category, name: 'culture')
         proposal = create(:proposal, tag_list: 'parks')
 
-        expect(described_class.for_summary.values.flatten).to_not include(proposal)
+        expect(described_class.for_summary.values.flatten).not_to include(proposal)
       end
     end
 
@@ -747,7 +747,7 @@ describe Proposal do
         create(:geozone, name: 'california')
         proposal = create(:proposal)
 
-        expect(described_class.for_summary.values.flatten).to_not include(proposal)
+        expect(described_class.for_summary.values.flatten).not_to include(proposal)
       end
     end
 
@@ -760,7 +760,7 @@ describe Proposal do
     it "does not return proposals created more than a week ago" do
       create(:tag, :category, name: 'culture')
       proposal = create(:proposal, tag_list: 'culture', created_at: 8.days.ago)
-      expect(described_class.for_summary.values.flatten).to_not include(proposal)
+      expect(described_class.for_summary.values.flatten).not_to include(proposal)
     end
 
     it "orders proposals by votes" do
@@ -870,7 +870,7 @@ describe Proposal do
 
     it 'does not return hidden proposals' do
       proposal = create(:proposal, :hidden)
-      expect(described_class.public_for_api).to_not include(proposal)
+      expect(described_class.public_for_api).not_to include(proposal)
     end
   end
 
diff --git a/spec/models/signature_sheet_spec.rb b/spec/models/signature_sheet_spec.rb
index 29eb790c6..e573d8259 100644
--- a/spec/models/signature_sheet_spec.rb
+++ b/spec/models/signature_sheet_spec.rb
@@ -20,22 +20,22 @@ describe SignatureSheet do
 
     it "is not valid without signable" do
       signature_sheet.signable = nil
-      expect(signature_sheet).to_not be_valid
+      expect(signature_sheet).not_to be_valid
     end
 
     it "is not valid without a valid signable" do
       signature_sheet.signable = create(:comment)
-      expect(signature_sheet).to_not be_valid
+      expect(signature_sheet).not_to be_valid
     end
 
     it "is not valid without document numbers" do
       signature_sheet.document_numbers = nil
-      expect(signature_sheet).to_not be_valid
+      expect(signature_sheet).not_to be_valid
     end
 
     it "is not valid without an author" do
       signature_sheet.author = nil
-      expect(signature_sheet).to_not be_valid
+      expect(signature_sheet).not_to be_valid
     end
   end
 
diff --git a/spec/models/signature_spec.rb b/spec/models/signature_spec.rb
index 5133af6fe..6a27fc029 100644
--- a/spec/models/signature_spec.rb
+++ b/spec/models/signature_spec.rb
@@ -12,18 +12,18 @@ describe Signature do
 
     it "is not valid without a document number" do
       signature.document_number = nil
-      expect(signature).to_not be_valid
+      expect(signature).not_to be_valid
 
       signature.document_number = ""
-      expect(signature).to_not be_valid
+      expect(signature).not_to be_valid
 
       signature.document_number = " "
-      expect(signature).to_not be_valid
+      expect(signature).not_to be_valid
     end
 
     it "is not valid without an associated signature sheet" do
       signature.signature_sheet = nil
-      expect(signature).to_not be_valid
+      expect(signature).not_to be_valid
     end
 
   end
@@ -89,7 +89,7 @@ describe Signature do
 
         signature.verify
 
-        expect(user.voted_for?(investment)).to_not be
+        expect(user.voted_for?(investment)).not_to be
         expect(Vote.count).to eq(0)
       end
 
@@ -205,7 +205,7 @@ describe Signature do
       it "does not call assign_vote_to_user" do
         signature = create(:signature, document_number: "123A")
 
-        expect(signature).to_not receive(:assign_vote_to_user)
+        expect(signature).not_to receive(:assign_vote_to_user)
         signature.verify
       end
 
@@ -213,7 +213,7 @@ describe Signature do
         signature = create(:signature, document_number: "123A")
 
         signature.verify
-        expect(signature).to_not be_verified
+        expect(signature).not_to be_verified
       end
     end
 
diff --git a/spec/models/topic_spec.rb b/spec/models/topic_spec.rb
index 8e2291e5a..2add13bc5 100644
--- a/spec/models/topic_spec.rb
+++ b/spec/models/topic_spec.rb
@@ -13,17 +13,17 @@ describe Topic do
 
   it "is not valid without an author" do
     topic.author = nil
-    expect(topic).to_not be_valid
+    expect(topic).not_to be_valid
   end
 
   it "is not valid without a title" do
     topic.title = nil
-    expect(topic).to_not be_valid
+    expect(topic).not_to be_valid
   end
 
   it "is not valid without a description" do
     topic.description = nil
-    expect(topic).to_not be_valid
+    expect(topic).not_to be_valid
   end
 
   context "order" do
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index fcae4742a..25084e4d1 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -41,7 +41,7 @@ describe User do
       flagged = user.comment_flags([comment1, comment2, comment3])
 
       expect(flagged[comment1.id]).to be
-      expect(flagged[comment2.id]).to_not be
+      expect(flagged[comment2.id]).not_to be
       expect(flagged[comment3.id]).to be
     end
   end
@@ -55,7 +55,7 @@ describe User do
   describe "#terms" do
     it "is not valid without accepting the terms of service" do
       subject.terms_of_service = nil
-      expect(subject).to_not be_valid
+      expect(subject).not_to be_valid
     end
   end
 
@@ -190,14 +190,14 @@ describe User do
 
   describe "verified_organization?" do
     it "is falsy when the user is not an organization" do
-      expect(subject).to_not be_verified_organization
+      expect(subject).not_to be_verified_organization
     end
 
     describe 'when it is an organization' do
       before { create(:organization, user: subject) }
 
       it "is false when the user is not a verified organization" do
-        expect(subject).to_not be_verified_organization
+        expect(subject).not_to be_verified_organization
       end
 
       it "is true when the user is a verified organization" do
@@ -221,7 +221,7 @@ describe User do
       expect(subject).to be_valid
 
       subject.organization.name = nil
-      expect(subject).to_not be_valid
+      expect(subject).not_to be_valid
     end
   end
 
@@ -355,7 +355,7 @@ describe User do
 
         expect(described_class.active).to include(user1)
         expect(described_class.active).to include(user2)
-        expect(described_class.active).to_not include(user3)
+        expect(described_class.active).not_to include(user3)
       end
 
       it "returns users that have not been blocked" do
@@ -366,7 +366,7 @@ describe User do
 
         expect(described_class.active).to include(user1)
         expect(described_class.active).to include(user2)
-        expect(described_class.active).to_not include(user3)
+        expect(described_class.active).not_to include(user3)
       end
 
     end
@@ -380,7 +380,7 @@ describe User do
 
         expect(described_class.erased).to include(user1)
         expect(described_class.erased).to include(user2)
-        expect(described_class.erased).to_not include(user3)
+        expect(described_class.erased).not_to include(user3)
       end
 
     end
@@ -497,7 +497,7 @@ describe User do
 
       user.erase('an identity test')
 
-      expect(Identity.exists?(identity.id)).to_not be
+      expect(Identity.exists?(identity.id)).not_to be
     end
 
   end
diff --git a/spec/models/verification/letter_spec.rb b/spec/models/verification/letter_spec.rb
index d4fe25035..2e4121ad2 100644
--- a/spec/models/verification/letter_spec.rb
+++ b/spec/models/verification/letter_spec.rb
@@ -14,7 +14,7 @@ describe Verification::Letter do
 
     it "is not valid without a user" do
       letter.user = nil
-      expect(letter).to_not be_valid
+      expect(letter).not_to be_valid
     end
 
   end
diff --git a/spec/models/verification/management/email_spec.rb b/spec/models/verification/management/email_spec.rb
index 57019c1e8..f5077b900 100644
--- a/spec/models/verification/management/email_spec.rb
+++ b/spec/models/verification/management/email_spec.rb
@@ -7,23 +7,23 @@ describe Verification::Management::Email do
 
     it "returns nil/false when the user does not exist" do
       expect(subject.user).to be_nil
-      expect(subject.user?).to_not be
+      expect(subject.user?).not_to be
     end
   end
 
   describe "validations" do
     it "is not valid if the user does not exist" do
-      expect(described_class.new(document_type: "1", document_number: "1234", email: "inexisting@gmail.com")).to_not be_valid
+      expect(described_class.new(document_type: "1", document_number: "1234", email: "inexisting@gmail.com")).not_to be_valid
     end
 
     it "is not valid if the user is already level 3" do
       user = create(:user, :level_three)
-      expect(described_class.new(document_type: "1", document_number: "1234", email: user.email)).to_not be_valid
+      expect(described_class.new(document_type: "1", document_number: "1234", email: user.email)).not_to be_valid
     end
 
     it "is not valid if the user already has a different document number" do
       user = create(:user, document_number: "1234", document_type: "1")
-      expect(described_class.new(document_type: "1", document_number: "5678", email: user.email)).to_not be_valid
+      expect(described_class.new(document_type: "1", document_number: "5678", email: user.email)).not_to be_valid
     end
   end
 
diff --git a/spec/models/verification/residence_spec.rb b/spec/models/verification/residence_spec.rb
index 72714ad07..cb7075dfe 100644
--- a/spec/models/verification/residence_spec.rb
+++ b/spec/models/verification/residence_spec.rb
@@ -19,7 +19,7 @@ describe Verification::Residence do
 
       it "is not valid without a date of birth" do
         residence = described_class.new("date_of_birth(3i)" => "", "date_of_birth(2i)" => "", "date_of_birth(1i)" => "")
-        expect(residence).to_not be_valid
+        expect(residence).not_to be_valid
         expect(residence.errors[:date_of_birth]).to include("can't be blank")
       end
     end
@@ -28,7 +28,7 @@ describe Verification::Residence do
       residence = described_class.new("date_of_birth(3i)" => "1",
                                       "date_of_birth(2i)" => "1",
                                       "date_of_birth(1i)" => 5.years.ago.year.to_s)
-      expect(residence).to_not be_valid
+      expect(residence).not_to be_valid
       expect(residence.errors[:date_of_birth]).to include("You don't have the required age to participate")
     end
 
@@ -45,7 +45,7 @@ describe Verification::Residence do
 
     it "validates census terms" do
       residence.terms_of_service = nil
-      expect(residence).to_not be_valid
+      expect(residence).not_to be_valid
     end
 
   end
diff --git a/spec/models/verification/sms_spec.rb b/spec/models/verification/sms_spec.rb
index 9c851a2e8..e2fa0ebe1 100644
--- a/spec/models/verification/sms_spec.rb
+++ b/spec/models/verification/sms_spec.rb
@@ -9,14 +9,14 @@ describe Verification::Sms do
   it "validates uniqness of phone" do
     create(:user, confirmed_phone: "699999999")
     sms = described_class.new(phone: "699999999")
-    expect(sms).to_not be_valid
+    expect(sms).not_to be_valid
   end
 
   it "only allows spaces, numbers and the + sign" do
     expect(build(:verification_sms, phone: "0034 666666666")).to be_valid
     expect(build(:verification_sms, phone: "+34 666666666")).to be_valid
-    expect(build(:verification_sms, phone: "hello there")).to_not be_valid
-    expect(build(:verification_sms, phone: "555; DROP TABLE USERS")).to_not be_valid
+    expect(build(:verification_sms, phone: "hello there")).not_to be_valid
+    expect(build(:verification_sms, phone: "555; DROP TABLE USERS")).not_to be_valid
   end
 
 end
\ No newline at end of file
diff --git a/spec/models/vote_spec.rb b/spec/models/vote_spec.rb
index e9d949ec8..06ae2269b 100644
--- a/spec/models/vote_spec.rb
+++ b/spec/models/vote_spec.rb
@@ -89,7 +89,7 @@ describe Vote do
       comment_on_hidden_proposal = create(:comment, commentable: hidden_proposal)
       vote = create(:vote, votable: comment_on_hidden_proposal)
 
-      expect(described_class.public_for_api).to_not include(vote)
+      expect(described_class.public_for_api).not_to include(vote)
     end
 
     it 'blocks votes on comments on hidden debates' do
@@ -97,7 +97,7 @@ describe Vote do
       comment_on_hidden_debate = create(:comment, commentable: hidden_debate)
       vote = create(:vote, votable: comment_on_hidden_debate)
 
-      expect(described_class.public_for_api).to_not include(vote)
+      expect(described_class.public_for_api).not_to include(vote)
     end
 
     it 'blocks any other kind of votes' do
diff --git a/spec/shared/features/mappable.rb b/spec/shared/features/mappable.rb
index 6e1cca64b..4f01ac5bb 100644
--- a/spec/shared/features/mappable.rb
+++ b/spec/shared/features/mappable.rb
@@ -90,7 +90,7 @@ shared_examples "mappable" do |mappable_factory_name, mappable_association_name,
       check "#{mappable_factory_name}_skip_map"
       send("submit_#{mappable_factory_name}_form")
 
-      expect(page).to_not have_content "Map location can't be blank"
+      expect(page).not_to have_content "Map location can't be blank"
     end
 
     scenario 'Toggle map', :js do
@@ -99,8 +99,8 @@ shared_examples "mappable" do |mappable_factory_name, mappable_association_name,
 
       check "#{mappable_factory_name}_skip_map"
 
-      expect(page).to_not have_css(".map")
-      expect(page).to_not have_content("Remove map marker")
+      expect(page).not_to have_css(".map")
+      expect(page).not_to have_content("Remove map marker")
 
       uncheck "#{mappable_factory_name}_skip_map"
 
@@ -179,7 +179,7 @@ shared_examples "mappable" do |mappable_factory_name, mappable_association_name,
       click_link "Remove map marker"
       click_on "Save changes"
 
-      expect(page).to_not have_content "Map location can't be blank"
+      expect(page).not_to have_content "Map location can't be blank"
     end
 
     scenario 'No need to skip map on update' do
@@ -189,7 +189,7 @@ shared_examples "mappable" do |mappable_factory_name, mappable_association_name,
       click_link "Remove map marker"
       click_on "Save changes"
 
-      expect(page).to_not have_content "Map location can't be blank"
+      expect(page).not_to have_content "Map location can't be blank"
     end
 
   end
diff --git a/spec/shared/features/relationable.rb b/spec/shared/features/relationable.rb
index 8c0048672..e0aa4f0b1 100644
--- a/spec/shared/features/relationable.rb
+++ b/spec/shared/features/relationable.rb
@@ -21,7 +21,7 @@ shared_examples "relationable" do |relationable_model_name|
 
   scenario 'related contents list is not rendered if there are no relations' do
     visit send("#{relationable.class.name.downcase}_path", relationable)
-    expect(page).to_not have_css("#related-content-list")
+    expect(page).not_to have_css("#related-content-list")
   end
 
   scenario 'related contents can be added' do
@@ -80,7 +80,7 @@ shared_examples "relationable" do |relationable_model_name|
     within("#related-content-list") do
       find("#related-content-#{related_content.opposite_related_content.id}").hover
       find("#score-positive-related-#{related_content.opposite_related_content.id}").click
-      expect(page).to_not have_css("#score-positive-related-#{related_content.opposite_related_content.id}")
+      expect(page).not_to have_css("#score-positive-related-#{related_content.opposite_related_content.id}")
     end
 
     expect(related_content.related_content_scores.find_by(user_id: user.id, related_content_id: related_content.id).value).to eq(1)
@@ -97,7 +97,7 @@ shared_examples "relationable" do |relationable_model_name|
     within("#related-content-list") do
       find("#related-content-#{related_content.opposite_related_content.id}").hover
       find("#score-negative-related-#{related_content.opposite_related_content.id}").click
-      expect(page).to_not have_css("#score-negative-related-#{related_content.opposite_related_content.id}")
+      expect(page).not_to have_css("#score-negative-related-#{related_content.opposite_related_content.id}")
     end
 
     expect(related_content.related_content_scores.find_by(user_id: user.id, related_content_id: related_content.id).value).to eq(-1)
@@ -119,6 +119,6 @@ shared_examples "relationable" do |relationable_model_name|
 
     visit send("#{relationable.class.name.downcase}_path", relationable)
 
-    expect(page).to_not have_css("#related-content-list")
+    expect(page).not_to have_css("#related-content-list")
   end
 end
diff --git a/spec/shared/models/acts_as_imageable.rb b/spec/shared/models/acts_as_imageable.rb
index 710ea5b4a..d174ee749 100644
--- a/spec/shared/models/acts_as_imageable.rb
+++ b/spec/shared/models/acts_as_imageable.rb
@@ -12,14 +12,14 @@ shared_examples "acts as imageable" do |imageable_factory|
     it "is not valid with '.png' extension" do
       image.attachment = File.new("spec/fixtures/files/clippy.png")
 
-      expect(image).to_not be_valid
+      expect(image).not_to be_valid
       expect(image.errors[:attachment].size).to eq(1)
     end
 
     it "is not valid with '.gif' extension" do
       image.attachment = File.new("spec/fixtures/files/clippy.gif")
 
-      expect(image).to_not be_valid
+      expect(image).not_to be_valid
       expect(image.errors[:attachment].size).to eq(1)
     end
 
@@ -49,19 +49,19 @@ shared_examples "acts as imageable" do |imageable_factory|
     it "is not valid when correct image attached but no image title provided" do
       image.title = ''
 
-      expect(image).to_not be_valid
+      expect(image).not_to be_valid
     end
 
     it "is not valid when image title is too short" do
       image.title = 'a' * 3
 
-      expect(image).to_not be_valid
+      expect(image).not_to be_valid
     end
 
     it "is not valid when image title is too long" do
       image.title = 'a' * 81
 
-      expect(image).to_not be_valid
+      expect(image).not_to be_valid
     end
 
   end
diff --git a/spec/shared/models/document_validations.rb b/spec/shared/models/document_validations.rb
index 43b65f97a..154c2f238 100644
--- a/spec/shared/models/document_validations.rb
+++ b/spec/shared/models/document_validations.rb
@@ -14,13 +14,13 @@ shared_examples "document validations" do |documentable_factory|
   it "is not valid without a title" do
     document.title = nil
 
-    expect(document).to_not be_valid
+    expect(document).not_to be_valid
   end
 
   it "is not valid without an attachment" do
     document.attachment = nil
 
-    expect(document).to_not be_valid
+    expect(document).not_to be_valid
   end
 
   it "is valid for all accepted content types" do
@@ -35,28 +35,28 @@ shared_examples "document validations" do |documentable_factory|
   it "is not valid for attachments larger than documentable max_file_size definition" do
     document.stub(:attachment_file_size).and_return(maxfilesize.megabytes + 1.byte)
 
-    expect(document).to_not be_valid
+    expect(document).not_to be_valid
     expect(document.errors[:attachment]).to include "must be in between 0 Bytes and #{maxfilesize} MB"
   end
 
   it "is not valid without a user_id" do
     document.user_id = nil
 
-    expect(document).to_not be_valid
+    expect(document).not_to be_valid
   end
 
   it "is not valid without a documentable_id" do
     document.save
     document.documentable_id = nil
 
-    expect(document).to_not be_valid
+    expect(document).not_to be_valid
   end
 
   it "is not valid without a documentable_type" do
     document.save
     document.documentable_type = nil
 
-    expect(document).to_not be_valid
+    expect(document).not_to be_valid
   end
 
 end
\ No newline at end of file
diff --git a/spec/shared/models/image_validations.rb b/spec/shared/models/image_validations.rb
index 0d974d45f..691d73bae 100644
--- a/spec/shared/models/image_validations.rb
+++ b/spec/shared/models/image_validations.rb
@@ -13,13 +13,13 @@ shared_examples "image validations" do |imageable_factory|
   it "is not valid without a title" do
     image.title = nil
 
-    expect(image).to_not be_valid
+    expect(image).not_to be_valid
   end
 
   it "is not valid without an attachment" do
     image.attachment = nil
 
-    expect(image).to_not be_valid
+    expect(image).not_to be_valid
   end
 
   it "is valid for all accepted content types" do
@@ -43,28 +43,28 @@ shared_examples "image validations" do |imageable_factory|
   it "is not valid for attachments larger than imageable max_file_size definition" do
     allow(image).to receive(:attachment_file_size).and_return(Image::MAX_IMAGE_SIZE + 1.byte)
 
-    expect(image).to_not be_valid
+    expect(image).not_to be_valid
     expect(image.errors[:attachment]).to include "must be in between 0 Bytes and 1 MB"
   end
 
   it "is not valid without a user_id" do
     image.user_id = nil
 
-    expect(image).to_not be_valid
+    expect(image).not_to be_valid
   end
 
   it "is not valid without a imageable_id" do
     image.save
     image.imageable_id = nil
 
-    expect(image).to_not be_valid
+    expect(image).not_to be_valid
   end
 
   it "is not valid without a imageable_type" do
     image.save
     image.imageable_type = nil
 
-    expect(image).to_not be_valid
+    expect(image).not_to be_valid
   end
 
 end
\ No newline at end of file
diff --git a/spec/shared/models/map_validations.rb b/spec/shared/models/map_validations.rb
index 4035f06a9..8ec63af51 100644
--- a/spec/shared/models/map_validations.rb
+++ b/spec/shared/models/map_validations.rb
@@ -39,13 +39,13 @@ shared_examples "map validations" do
      mappable.map_location = nil
      mappable.skip_map = nil
 
-     expect(mappable).to_not be_valid
+     expect(mappable).not_to be_valid
     end
 
     it "is not valid without accepting that the mappable has no map" do
      mappable.skip_map = nil
 
-     expect(mappable).to_not be_valid
+     expect(mappable).not_to be_valid
     end
 
   end
diff --git a/spec/shared/models/notifiable.rb b/spec/shared/models/notifiable.rb
index 0733443f0..8d69e1c00 100644
--- a/spec/shared/models/notifiable.rb
+++ b/spec/shared/models/notifiable.rb
@@ -40,7 +40,7 @@ shared_examples "notifiable" do
       notifiable.hide
       notification.reload
 
-      expect(notification.notifiable_available?).to_not be(true)
+      expect(notification.notifiable_available?).not_to be(true)
     end
 
     it "returns false when it's a reply to comment and the commentable has been hidden" do
diff --git a/spec/support/common_actions.rb b/spec/support/common_actions.rb
index 4080afb8d..c199b0124 100644
--- a/spec/support/common_actions.rb
+++ b/spec/support/common_actions.rb
@@ -141,7 +141,7 @@ module CommonActions
   end
 
   def expect_to_not_be_signed_in
-    expect(find('.top-bar')).to_not have_content 'My account'
+    expect(find('.top-bar')).not_to have_content 'My account'
   end
 
   def select_date(values, selector)
@@ -210,12 +210,12 @@ module CommonActions
 
   def expect_message_voting_not_allowed
     expect(page).to have_content 'Voting phase is closed'
-    expect(page).to_not have_selector('.in-favor a')
+    expect(page).not_to have_selector('.in-favor a')
   end
 
   def expect_message_selecting_not_allowed
     expect(page).to have_content 'No Selecting Allowed'
-    expect(page).to_not have_selector('.in-favor a')
+    expect(page).not_to have_selector('.in-favor a')
   end
 
   def expect_message_organizations_cannot_vote
@@ -297,8 +297,8 @@ module CommonActions
 
   def expect_no_badge_for(resource_name, resource)
     within("##{resource_name}_#{resource.id}") do
-      expect(page).to_not have_css ".label.round"
-      expect(page).to_not have_content "Employee"
+      expect(page).not_to have_css ".label.round"
+      expect(page).not_to have_content "Employee"
     end
   end
 
@@ -314,7 +314,7 @@ module CommonActions
 
     within("#poll_question_#{question.id}_answers") do
       click_link answer.to_s
-      expect(page).to_not have_link(answer.to_s)
+      expect(page).not_to have_link(answer.to_s)
     end
   end
 
diff --git a/spec/support/verifiable.rb b/spec/support/verifiable.rb
index 9f6be1355..c8d2e5701 100644
--- a/spec/support/verifiable.rb
+++ b/spec/support/verifiable.rb
@@ -8,7 +8,7 @@ shared_examples_for "verifiable" do
         user2 = create(:user, verified_at: nil)
 
         expect(model.level_three_verified).to include(user1)
-        expect(model.level_three_verified).to_not include(user2)
+        expect(model.level_three_verified).not_to include(user2)
       end
     end
 
@@ -20,8 +20,8 @@ shared_examples_for "verifiable" do
         user4 = create(:user, level_two_verified_at: Time.current)
 
         expect(model.level_two_verified).to include(user1)
-        expect(model.level_two_verified).to_not include(user2)
-        expect(model.level_two_verified).to_not include(user3)
+        expect(model.level_two_verified).not_to include(user2)
+        expect(model.level_two_verified).not_to include(user3)
         expect(model.level_two_verified).to include(user4)
       end
     end
@@ -36,8 +36,8 @@ shared_examples_for "verifiable" do
 
         expect(model.level_two_or_three_verified).to include(user1)
         expect(model.level_two_or_three_verified).to include(user2)
-        expect(model.level_two_or_three_verified).to_not include(user3)
-        expect(model.level_two_or_three_verified).to_not include(user4)
+        expect(model.level_two_or_three_verified).not_to include(user3)
+        expect(model.level_two_or_three_verified).not_to include(user4)
         expect(model.level_two_or_three_verified).to include(user5)
       end
     end
@@ -53,8 +53,8 @@ shared_examples_for "verifiable" do
         expect(model.unverified).to include(user1)
         expect(model.unverified).to include(user2)
         expect(model.unverified).to include(user3)
-        expect(model.unverified).to_not include(user4)
-        expect(model.unverified).to_not include(user5)
+        expect(model.unverified).not_to include(user4)
+        expect(model.unverified).not_to include(user5)
       end
     end
 
@@ -70,8 +70,8 @@ shared_examples_for "verifiable" do
 
         expect(model.incomplete_verification).to include(user1)
         expect(model.incomplete_verification).to include(user2)
-        expect(model.incomplete_verification).to_not include(user3)
-        expect(model.incomplete_verification).to_not include(user4)
+        expect(model.incomplete_verification).not_to include(user3)
+        expect(model.incomplete_verification).not_to include(user4)
       end
     end
   end