diff --git a/.erb-lint.yml b/.erb-lint.yml
index 5e93f2fae..07676c3fc 100644
--- a/.erb-lint.yml
+++ b/.erb-lint.yml
@@ -38,5 +38,9 @@ linters:
         Enabled: false
       Lint/UselessAssignment:
         Enabled: false
+      Rails/HttpStatus:
+        Enabled: true
+        Exclude:
+          - app/views/dashboard/*
       Rails/OutputSafety:
         Enabled: false
diff --git a/.rubocop.yml b/.rubocop.yml
index e0429c99f..ffe504b19 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -443,6 +443,9 @@ Rails/PluralizationGrammar:
 Rails/Presence:
   Enabled: true
 
+Rails/RedundantActiveRecordAllMethod:
+  Enabled: true
+
 Rails/RedundantTravelBack:
   Enabled: true
 
@@ -466,6 +469,9 @@ Rails/SaveBang:
   Enabled: true
   Severity: refactor
 
+Rails/SelectMap:
+  Enabled: true
+
 Rails/SkipsModelValidations:
   Enabled: true
   ForbiddenMethods:
@@ -689,6 +695,7 @@ Style/InvertibleUnlessCondition:
   Enabled: true
   InverseMethods:
     :blank?: :present?
+    :include?: ~
     :present?: :blank?
     :zero?: ~
 
diff --git a/Gemfile b/Gemfile
index 69cc9ddf9..b8edf42b3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -109,7 +109,7 @@ group :development do
   gem "rubocop-capybara", "~> 2.19.0", require: false
   gem "rubocop-factory_bot", "~> 2.24.0", require: false
   gem "rubocop-performance", "~> 1.19.1", require: false
-  gem "rubocop-rails", "~> 2.20.2", require: false
+  gem "rubocop-rails", "~> 2.21.2", require: false
   gem "rubocop-rspec", "~> 2.24.1", require: false
   gem "rvm1-capistrano3", "~> 1.4.0", require: false
   gem "scss_lint", "~> 0.60.0", require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index f5694dce5..ff21da3d4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -536,7 +536,7 @@ GEM
     rubocop-performance (1.19.1)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
-    rubocop-rails (2.20.2)
+    rubocop-rails (2.21.2)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.33.0, < 2.0)
@@ -754,7 +754,7 @@ DEPENDENCIES
   rubocop-capybara (~> 2.19.0)
   rubocop-factory_bot (~> 2.24.0)
   rubocop-performance (~> 1.19.1)
-  rubocop-rails (~> 2.20.2)
+  rubocop-rails (~> 2.21.2)
   rubocop-rspec (~> 2.24.1)
   rvm1-capistrano3 (~> 1.4.0)
   sassc-rails (~> 2.1.2)
diff --git a/app/controllers/admin/budget_investments_controller.rb b/app/controllers/admin/budget_investments_controller.rb
index 04c3e74df..c4d68ae43 100644
--- a/app/controllers/admin/budget_investments_controller.rb
+++ b/app/controllers/admin/budget_investments_controller.rb
@@ -115,7 +115,7 @@ class Admin::BudgetInvestmentsController < Admin::BaseController
     end
 
     def load_valuator_groups
-      @valuator_groups = ValuatorGroup.all.order(name: :asc)
+      @valuator_groups = ValuatorGroup.order(name: :asc)
     end
 
     def load_tags
diff --git a/app/controllers/admin/geozones_controller.rb b/app/controllers/admin/geozones_controller.rb
index 794a5985f..a9d2e652c 100644
--- a/app/controllers/admin/geozones_controller.rb
+++ b/app/controllers/admin/geozones_controller.rb
@@ -4,7 +4,7 @@ class Admin::GeozonesController < Admin::BaseController
   load_and_authorize_resource
 
   def index
-    @geozones = Geozone.all.order(Arel.sql("LOWER(name)"))
+    @geozones = Geozone.order(Arel.sql("LOWER(name)"))
   end
 
   def new
diff --git a/app/controllers/admin/poll/booth_assignments_controller.rb b/app/controllers/admin/poll/booth_assignments_controller.rb
index 7d9a462ea..1ad6d28e8 100644
--- a/app/controllers/admin/poll/booth_assignments_controller.rb
+++ b/app/controllers/admin/poll/booth_assignments_controller.rb
@@ -46,7 +46,7 @@ class Admin::Poll::BoothAssignmentsController < Admin::Poll::BaseController
   end
 
   def manage
-    @booths = ::Poll::Booth.all.order(name: :asc).page(params[:page]).per(300)
+    @booths = ::Poll::Booth.order(name: :asc).page(params[:page]).per(300)
     @poll = Poll.find(params[:poll_id])
   end
 
diff --git a/app/controllers/admin/poll/officer_assignments_controller.rb b/app/controllers/admin/poll/officer_assignments_controller.rb
index 82e45a182..71432bb2a 100644
--- a/app/controllers/admin/poll/officer_assignments_controller.rb
+++ b/app/controllers/admin/poll/officer_assignments_controller.rb
@@ -7,7 +7,7 @@ class Admin::Poll::OfficerAssignmentsController < Admin::Poll::BaseController
     @officers = ::Poll::Officer
                 .includes(:user)
                 .order("users.username")
-                .where(id: @poll.officer_assignments.select(:officer_id).distinct.map(&:officer_id))
+                .where(id: @poll.officer_assignments.distinct.pluck(:officer_id))
                 .page(params[:page])
                 .per(50)
   end
diff --git a/app/controllers/admin/poll/polls_controller.rb b/app/controllers/admin/poll/polls_controller.rb
index 68ba02a01..3f1d65e55 100644
--- a/app/controllers/admin/poll/polls_controller.rb
+++ b/app/controllers/admin/poll/polls_controller.rb
@@ -59,7 +59,7 @@ class Admin::Poll::PollsController < Admin::Poll::BaseController
   private
 
     def load_geozones
-      @geozones = Geozone.all.order(:name)
+      @geozones = Geozone.order(:name)
     end
 
     def poll_params
diff --git a/app/controllers/admin/signature_sheets_controller.rb b/app/controllers/admin/signature_sheets_controller.rb
index cc417f6b8..e75a3ae90 100644
--- a/app/controllers/admin/signature_sheets_controller.rb
+++ b/app/controllers/admin/signature_sheets_controller.rb
@@ -1,6 +1,6 @@
 class Admin::SignatureSheetsController < Admin::BaseController
   def index
-    @signature_sheets = SignatureSheet.all.order(created_at: :desc)
+    @signature_sheets = SignatureSheet.order(created_at: :desc)
   end
 
   def new
diff --git a/app/controllers/admin/valuator_groups_controller.rb b/app/controllers/admin/valuator_groups_controller.rb
index d2b23e60b..461207a41 100644
--- a/app/controllers/admin/valuator_groups_controller.rb
+++ b/app/controllers/admin/valuator_groups_controller.rb
@@ -1,6 +1,6 @@
 class Admin::ValuatorGroupsController < Admin::BaseController
   def index
-    @groups = ValuatorGroup.all.page(params[:page])
+    @groups = ValuatorGroup.page(params[:page])
   end
 
   def show
diff --git a/app/controllers/concerns/commentable_actions.rb b/app/controllers/concerns/commentable_actions.rb
index 86ea1dde8..1bd7fcfa5 100644
--- a/app/controllers/concerns/commentable_actions.rb
+++ b/app/controllers/concerns/commentable_actions.rb
@@ -83,7 +83,7 @@ module CommentableActions
     end
 
     def load_geozones
-      @geozones = Geozone.all.order(name: :asc)
+      @geozones = Geozone.order(name: :asc)
     end
 
     def set_geozone
diff --git a/app/helpers/geozones_helper.rb b/app/helpers/geozones_helper.rb
index 20831986d..401eb4091 100644
--- a/app/helpers/geozones_helper.rb
+++ b/app/helpers/geozones_helper.rb
@@ -4,6 +4,6 @@ module GeozonesHelper
   end
 
   def geozone_select_options
-    Geozone.all.order(name: :asc).map { |g| [g.name, g.id] }
+    Geozone.order(name: :asc).map { |g| [g.name, g.id] }
   end
 end
diff --git a/app/models/concerns/statisticable.rb b/app/models/concerns/statisticable.rb
index 9b32b22b3..5d3c67a07 100644
--- a/app/models/concerns/statisticable.rb
+++ b/app/models/concerns/statisticable.rb
@@ -171,7 +171,7 @@ module Statisticable
     end
 
     def geozones
-      Geozone.all.order("name")
+      Geozone.order("name")
     end
 
     def geozone_stats
diff --git a/db/dev_seeds/budgets.rb b/db/dev_seeds/budgets.rb
index bdae27338..e0d81253d 100644
--- a/db/dev_seeds/budgets.rb
+++ b/db/dev_seeds/budgets.rb
@@ -48,7 +48,7 @@ section "Creating Budgets" do
     end
   end
 
-  Budget.all.each do |budget|
+  Budget.find_each do |budget|
     city_group = budget.groups.create!(
       random_locales_attributes(name: -> { I18n.t("seeds.budgets.groups.all_city") })
     )
@@ -94,7 +94,7 @@ end
 section "Creating Investments" do
   tags = Faker::Lorem.words(number: 10)
   100.times do
-    heading = Budget::Heading.all.sample
+    heading = Budget::Heading.sample
 
     translation_attributes = random_locales.each_with_object({}) do |locale, attributes|
       attributes["title_#{locale.to_s.underscore}"] = "Title for locale #{locale}"
@@ -102,7 +102,7 @@ section "Creating Investments" do
     end
 
     investment = Budget::Investment.create!({
-      author: User.all.sample,
+      author: User.sample,
       heading: heading,
       group: heading.group,
       budget: heading.group.budget,
@@ -145,9 +145,9 @@ end
 section "Winner Investments" do
   budget = Budget.finished.first
   50.times do
-    heading = budget.headings.all.sample
+    heading = budget.headings.sample
     investment = Budget::Investment.create!(
-      author: User.all.sample,
+      author: User.sample,
       heading: heading,
       group: heading.group,
       budget: heading.group.budget,
@@ -169,6 +169,6 @@ end
 
 section "Creating Valuation Assignments" do
   (1..50).to_a.sample.times do
-    Budget::Investment.all.sample.valuators << Valuator.first
+    Budget::Investment.sample.valuators << Valuator.first
   end
 end
diff --git a/db/dev_seeds/comments.rb b/db/dev_seeds/comments.rb
index 03bb9bbe0..30e14bba3 100644
--- a/db/dev_seeds/comments.rb
+++ b/db/dev_seeds/comments.rb
@@ -1,8 +1,8 @@
 section "Commenting Investments, Debates & Proposals" do
   %w[Budget::Investment Debate Proposal].each do |commentable_class|
     100.times do
-      commentable = commentable_class.constantize.all.sample
-      Comment.create!(user: User.all.sample,
+      commentable = commentable_class.constantize.sample
+      Comment.create!(user: User.sample,
                       created_at: rand(commentable.created_at..Time.current),
                       commentable: commentable,
                       body: Faker::Lorem.sentence)
@@ -12,8 +12,8 @@ end
 
 section "Commenting Comments" do
   200.times do
-    parent = Comment.all.sample
-    Comment.create!(user: User.all.sample,
+    parent = Comment.sample
+    Comment.create!(user: User.sample,
                     created_at: rand(parent.created_at..Time.current),
                     commentable_id: parent.commentable_id,
                     commentable_type: parent.commentable_type,
diff --git a/db/dev_seeds/communities.rb b/db/dev_seeds/communities.rb
index febf5b9e3..22c15653d 100644
--- a/db/dev_seeds/communities.rb
+++ b/db/dev_seeds/communities.rb
@@ -5,15 +5,15 @@ end
 
 section "Creating Communities Topics" do
   Community.find_each do |community|
-    Topic.create(community: community, author: User.all.sample,
+    Topic.create(community: community, author: User.sample,
                  title: Faker::Lorem.sentence(word_count: 3).truncate(60), description: Faker::Lorem.sentence)
   end
 end
 
 section "Commenting Community Topics" do
   30.times do
-    author = User.all.sample
-    topic = Topic.all.sample
+    author = User.sample
+    topic = Topic.sample
     Comment.create!(user: author,
                     created_at: rand(topic.created_at..Time.current),
                     commentable: topic,
diff --git a/db/dev_seeds/debates.rb b/db/dev_seeds/debates.rb
index 6e2737e09..82d1345d4 100644
--- a/db/dev_seeds/debates.rb
+++ b/db/dev_seeds/debates.rb
@@ -1,14 +1,14 @@
 section "Creating Debates" do
   tags = Faker::Lorem.words(number: 25)
   30.times do
-    author = User.all.sample
+    author = User.sample
     description = "<p>#{Faker::Lorem.paragraphs.join("</p><p>")}</p>"
     debate = Debate.create!(author: author,
                             title: Faker::Lorem.sentence(word_count: 3).truncate(60),
                             created_at: rand((1.week.ago)..Time.current),
                             description: description,
                             tag_list: tags.sample(3).join(","),
-                            geozone: Geozone.all.sample,
+                            geozone: Geozone.sample,
                             terms_of_service: "1")
     random_locales.map do |locale|
       Globalize.with_locale(locale) do
@@ -21,7 +21,7 @@ section "Creating Debates" do
 
   tags = Tag.where(kind: "category")
   30.times do
-    author = User.all.sample
+    author = User.sample
     description = "<p>#{Faker::Lorem.paragraphs.join("</p><p>")}</p>"
 
     debate = Debate.create!(author: author,
@@ -29,7 +29,7 @@ section "Creating Debates" do
                             created_at: rand((1.week.ago)..Time.current),
                             description: description,
                             tag_list: tags.sample(3).join(","),
-                            geozone: Geozone.all.sample,
+                            geozone: Geozone.sample,
                             terms_of_service: "1")
     random_locales.map do |locale|
       Globalize.with_locale(locale) do
diff --git a/db/dev_seeds/flags.rb b/db/dev_seeds/flags.rb
index a31c0e550..582bd088f 100644
--- a/db/dev_seeds/flags.rb
+++ b/db/dev_seeds/flags.rb
@@ -1,19 +1,19 @@
 section "Flagging Debates & Comments" do
   40.times do
-    debate = Debate.all.sample
-    flagger = User.where.not(id: debate.author_id).all.sample
+    debate = Debate.sample
+    flagger = User.where.not(id: debate.author_id).sample
     Flag.flag(flagger, debate)
   end
 
   40.times do
-    comment = Comment.all.sample
-    flagger = User.where.not(id: comment.user_id).all.sample
+    comment = Comment.sample
+    flagger = User.where.not(id: comment.user_id).sample
     Flag.flag(flagger, comment)
   end
 
   40.times do
-    proposal = Proposal.all.sample
-    flagger = User.where.not(id: proposal.author_id).all.sample
+    proposal = Proposal.sample
+    flagger = User.where.not(id: proposal.author_id).sample
     Flag.flag(flagger, proposal)
   end
 end
diff --git a/db/dev_seeds/legislation_proposals.rb b/db/dev_seeds/legislation_proposals.rb
index a305219c5..31dc0ff15 100644
--- a/db/dev_seeds/legislation_proposals.rb
+++ b/db/dev_seeds/legislation_proposals.rb
@@ -3,8 +3,8 @@ section "Creating legislation proposals" do
     Legislation::Proposal.create!(title: Faker::Lorem.sentence(word_count: 3).truncate(60),
                                   description: Faker::Lorem.paragraphs.join("\n\n"),
                                   summary: Faker::Lorem.paragraph,
-                                  author: User.all.sample,
-                                  process: Legislation::Process.all.sample,
+                                  author: User.sample,
+                                  process: Legislation::Process.sample,
                                   terms_of_service: "1",
                                   selected: rand <= 1.0 / 3)
   end
diff --git a/db/dev_seeds/milestones.rb b/db/dev_seeds/milestones.rb
index 1733468bc..214341921 100644
--- a/db/dev_seeds/milestones.rb
+++ b/db/dev_seeds/milestones.rb
@@ -11,7 +11,7 @@ section "Creating investment milestones" do
       rand(1..5).times do
         milestone = record.milestones.build(
           publication_date: Date.tomorrow,
-          status_id: Milestone::Status.all.sample
+          status_id: Milestone::Status.sample
         )
 
         random_locales.map do |locale|
diff --git a/db/dev_seeds/polls.rb b/db/dev_seeds/polls.rb
index 9fc1cfd69..e0b62a899 100644
--- a/db/dev_seeds/polls.rb
+++ b/db/dev_seeds/polls.rb
@@ -56,7 +56,7 @@ section "Creating Poll Questions & Answers" do
   Poll.find_each do |poll|
     (3..5).to_a.sample.times do
       question_title = Faker::Lorem.sentence(word_count: 3).truncate(60) + "?"
-      question = Poll::Question.new(author: User.all.sample,
+      question = Poll::Question.new(author: User.sample,
                                     title: question_title,
                                     poll: poll)
       I18n.available_locales.map do |locale|
@@ -96,13 +96,13 @@ section "Creating Poll Booths & BoothAssignments" do
   20.times do |i|
     Poll::Booth.create(name: "Booth #{i}",
                        location: Faker::Address.street_address,
-                       polls: [Poll.all.sample])
+                       polls: [Poll.sample])
   end
 end
 
 section "Creating Poll Shifts for Poll Officers" do
   Poll.find_each do |poll|
-    Poll::BoothAssignment.where(poll: poll).each do |booth_assignment|
+    Poll::BoothAssignment.where(poll: poll).find_each do |booth_assignment|
       scrutiny = (poll.ends_at.to_datetime..poll.ends_at.to_datetime + Poll::RECOUNT_DURATION)
       Poll::Officer.find_each do |poll_officer|
         {
@@ -125,8 +125,8 @@ end
 
 section "Commenting Polls" do
   30.times do
-    author = User.all.sample
-    poll = Poll.all.sample
+    author = User.sample
+    poll = Poll.sample
     Comment.create!(user: author,
                     created_at: rand(poll.created_at..Time.current),
                     commentable: poll,
@@ -136,7 +136,7 @@ end
 
 section "Creating Poll Voters" do
   def vote_poll_on_booth(user, poll)
-    officer = Poll::Officer.all.sample
+    officer = Poll::Officer.sample
 
     Poll::Voter.create!(document_type: user.document_type,
                         document_number: user.document_number,
@@ -230,7 +230,7 @@ end
 
 section "Creating Poll Questions from Proposals" do
   3.times do
-    proposal = Proposal.all.sample
+    proposal = Proposal.sample
     poll = Poll.current.first
     question = Poll::Question.new(poll: poll)
     question.copy_attributes_from_proposal(proposal)
@@ -260,7 +260,7 @@ end
 
 section "Creating Successful Proposals" do
   10.times do
-    proposal = Proposal.all.sample
+    proposal = Proposal.sample
     poll = Poll.current.first
     question = Poll::Question.new(poll: poll)
     question.copy_attributes_from_proposal(proposal)
diff --git a/db/dev_seeds/proposals.rb b/db/dev_seeds/proposals.rb
index 6e48cc25d..a3fc4fa94 100644
--- a/db/dev_seeds/proposals.rb
+++ b/db/dev_seeds/proposals.rb
@@ -19,7 +19,7 @@ section "Creating Proposals" do
   30.times do
     title = Faker::Lorem.sentence(word_count: 3).truncate(60)
     summary = Faker::Lorem.sentence(word_count: 3)
-    author = User.all.sample
+    author = User.sample
     description = "<p>#{Faker::Lorem.paragraphs.join("</p><p>")}</p>"
 
     proposal = Proposal.create!(author: author,
@@ -29,7 +29,7 @@ section "Creating Proposals" do
                                 description: description,
                                 created_at: rand((1.week.ago)..Time.current),
                                 tag_list: tags.sample(3).join(","),
-                                geozone: Geozone.all.sample,
+                                geozone: Geozone.sample,
                                 terms_of_service: "1",
                                 published_at: Time.current)
     random_locales.map do |locale|
@@ -47,7 +47,7 @@ end
 section "Creating Archived Proposals" do
   tags = Faker::Lorem.words(number: 25)
   5.times do
-    author = User.all.sample
+    author = User.sample
     description = "<p>#{Faker::Lorem.paragraphs.join("</p><p>")}</p>"
     proposal = Proposal.create!(author: author,
                                 title: Faker::Lorem.sentence(word_count: 3).truncate(60),
@@ -55,7 +55,7 @@ section "Creating Archived Proposals" do
                                 responsible_name: Faker::Name.name,
                                 description: description,
                                 tag_list: tags.sample(3).join(","),
-                                geozone: Geozone.all.sample,
+                                geozone: Geozone.sample,
                                 terms_of_service: "1",
                                 created_at: Setting.archived_proposals_date_limit,
                                 published_at: Setting.archived_proposals_date_limit)
@@ -74,7 +74,7 @@ end
 section "Creating Successful Proposals" do
   tags = Faker::Lorem.words(number: 25)
   10.times do
-    author = User.all.sample
+    author = User.sample
     description = "<p>#{Faker::Lorem.paragraphs.join("</p><p>")}</p>"
     proposal = Proposal.create!(author: author,
                                 title: Faker::Lorem.sentence(word_count: 3).truncate(60),
@@ -83,7 +83,7 @@ section "Creating Successful Proposals" do
                                 description: description,
                                 created_at: rand((1.week.ago)..Time.current),
                                 tag_list: tags.sample(3).join(","),
-                                geozone: Geozone.all.sample,
+                                geozone: Geozone.sample,
                                 terms_of_service: "1",
                                 cached_votes_up: Setting["votes_for_proposal_success"],
                                 published_at: Time.current)
@@ -100,7 +100,7 @@ section "Creating Successful Proposals" do
 
   tags = Tag.where(kind: "category")
   30.times do
-    author = User.all.sample
+    author = User.sample
     description = "<p>#{Faker::Lorem.paragraphs.join("</p><p>")}</p>"
     proposal = Proposal.create!(author: author,
                                 title: Faker::Lorem.sentence(word_count: 4).truncate(60),
@@ -109,7 +109,7 @@ section "Creating Successful Proposals" do
                                 description: description,
                                 created_at: rand((1.week.ago)..Time.current),
                                 tag_list: tags.sample(3).join(","),
-                                geozone: Geozone.all.sample,
+                                geozone: Geozone.sample,
                                 terms_of_service: "1",
                                 published_at: Time.current)
     random_locales.map do |locale|
@@ -128,7 +128,7 @@ section "Creating proposal notifications" do
   100.times do |i|
     ProposalNotification.create!(title: "Proposal notification title #{i}",
                                  body: "Proposal notification body #{i}",
-                                 author: User.all.sample,
-                                 proposal: Proposal.all.sample)
+                                 author: User.sample,
+                                 proposal: Proposal.sample)
   end
 end
diff --git a/db/dev_seeds/sdg.rb b/db/dev_seeds/sdg.rb
index 7f90b594d..5a65c0265 100644
--- a/db/dev_seeds/sdg.rb
+++ b/db/dev_seeds/sdg.rb
@@ -32,7 +32,7 @@ section "Creating Sustainable Development Goals" do
 end
 
 section "Creating SDG homepage cards" do
-  SDG::Phase.all.each do |phase|
+  SDG::Phase.find_each do |phase|
     Widget::Card.create!(cardable: phase, title: "#{phase.title} card",
                          link_text: "Link Text", link_url: "/any_path")
   end
diff --git a/db/dev_seeds/users.rb b/db/dev_seeds/users.rb
index 679c42cdd..9cbd2a027 100644
--- a/db/dev_seeds/users.rb
+++ b/db/dev_seeds/users.rb
@@ -110,7 +110,7 @@ section "Creating Users" do
                   confirmed_phone: Faker::PhoneNumber.phone_number,
                   document_number: unique_document_number,
                   document_type: "1",
-                  geozone: Geozone.all.sample)
+                  geozone: Geozone.sample)
     end
     if level == 3
       user.update(verified_at: Time.current, document_number: unique_document_number)
diff --git a/db/dev_seeds/votes.rb b/db/dev_seeds/votes.rb
index 749df9be8..eb7711136 100644
--- a/db/dev_seeds/votes.rb
+++ b/db/dev_seeds/votes.rb
@@ -1,22 +1,22 @@
 section "Voting Debates, Proposals & Comments" do
   not_org_users = User.where.not(id: User.organizations)
   100.times do
-    voter  = not_org_users.level_two_or_three_verified.all.sample
+    voter  = not_org_users.level_two_or_three_verified.sample
     vote   = [true, false].sample
-    debate = Debate.all.sample
+    debate = Debate.sample
     debate.vote_by(voter: voter, vote: vote)
   end
 
   100.times do
-    voter  = not_org_users.all.sample
+    voter  = not_org_users.sample
     vote   = [true, false].sample
-    comment = Comment.all.sample
+    comment = Comment.sample
     comment.vote_by(voter: voter, vote: vote)
   end
 
   100.times do
-    voter = not_org_users.level_two_or_three_verified.all.sample
-    proposal = Proposal.all.sample
+    voter = not_org_users.level_two_or_three_verified.sample
+    proposal = Proposal.sample
     proposal.vote_by(voter: voter, vote: true)
   end
 end
diff --git a/lib/acts_as_paranoid_aliases.rb b/lib/acts_as_paranoid_aliases.rb
index f4c813ab0..369bdc6c9 100644
--- a/lib/acts_as_paranoid_aliases.rb
+++ b/lib/acts_as_paranoid_aliases.rb
@@ -63,7 +63,7 @@ module ActsAsParanoidAliases
     def restore_all(ids)
       return if ids.blank?
 
-      only_hidden.where(id: ids).each(&:restore)
+      only_hidden.where(id: ids).find_each(&:restore)
     end
   end
 end
diff --git a/spec/components/shared/banner_component_spec.rb b/spec/components/shared/banner_component_spec.rb
index ef36de26a..6d2512373 100644
--- a/spec/components/shared/banner_component_spec.rb
+++ b/spec/components/shared/banner_component_spec.rb
@@ -75,7 +75,7 @@ describe Shared::BannerComponent do
     end
 
     it "does not render anything with no active banners" do
-      Banner.all.each { |banner| banner.update!(post_ended_at: Date.current - 1.day) }
+      Banner.find_each { |banner| banner.update!(post_ended_at: Date.current - 1.day) }
 
       render_inline Shared::BannerComponent.new("debates")
 
diff --git a/spec/models/poll/booth_assignment_spec.rb b/spec/models/poll/booth_assignment_spec.rb
index e42e637ad..046f27144 100644
--- a/spec/models/poll/booth_assignment_spec.rb
+++ b/spec/models/poll/booth_assignment_spec.rb
@@ -24,6 +24,6 @@ describe Poll::BoothAssignment do
 
     assignment.destroy!
 
-    expect(Poll::Shift.all.count).to eq(0)
+    expect(Poll::Shift.count).to eq 0
   end
 end
diff --git a/spec/models/poll/shift_spec.rb b/spec/models/poll/shift_spec.rb
index be7d3f7d5..0b22c6fca 100644
--- a/spec/models/poll/shift_spec.rb
+++ b/spec/models/poll/shift_spec.rb
@@ -71,7 +71,7 @@ describe Poll::Shift do
 
       expect do
         create(:poll_shift, booth: booth, officer: officer, date: Date.current)
-      end.to change { Poll::OfficerAssignment.all.count }.by(2)
+      end.to change { Poll::OfficerAssignment.count }.by(2)
 
       officer_assignments = Poll::OfficerAssignment.all
       oa1 = officer_assignments.first
@@ -91,7 +91,7 @@ describe Poll::Shift do
                                        booth_assignment: booth_assignment1,
                                        date: Date.tomorrow)
 
-      expect { Poll::Shift.last.destroy }.to change { Poll::OfficerAssignment.all.count }.by(-2)
+      expect { Poll::Shift.last.destroy }.to change { Poll::OfficerAssignment.count }.by(-2)
     end
 
     it "creates final officer_assignments" do
diff --git a/spec/models/proposal_notification_spec.rb b/spec/models/proposal_notification_spec.rb
index 2279ab542..c92773c81 100644
--- a/spec/models/proposal_notification_spec.rb
+++ b/spec/models/proposal_notification_spec.rb
@@ -167,7 +167,7 @@ describe ProposalNotification do
 
       it "removes all notifications related to the proposal notification" do
         proposal_notification.moderate_system_email(admin.user)
-        expect(Notification.all.count).to be(0)
+        expect(Notification.count).to be 0
       end
 
       it "records the moderation action in the Activity table" do
diff --git a/spec/system/notifications_spec.rb b/spec/system/notifications_spec.rb
index 0d23d9b02..379aaed3a 100644
--- a/spec/system/notifications_spec.rb
+++ b/spec/system/notifications_spec.rb
@@ -241,7 +241,7 @@ describe "Notifications" do
   end
 
   def users_without_notifications
-    User.all.select do |user|
+    User.select do |user|
       user.notifications.not_emailed.where(notifiable_type: "ProposalNotification").blank?
     end
   end