diff --git a/app/controllers/admin/proposal_dashboard_actions_controller.rb b/app/controllers/admin/proposal_dashboard_actions_controller.rb
index 71e1d72d6..c92811454 100644
--- a/app/controllers/admin/proposal_dashboard_actions_controller.rb
+++ b/app/controllers/admin/proposal_dashboard_actions_controller.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 class Admin::ProposalDashboardActionsController < Admin::BaseController
   helper_method :proposal_dashboard_action
 
diff --git a/app/controllers/proposals_dashboard_controller.rb b/app/controllers/proposals_dashboard_controller.rb
index b2de07c6a..532a25db3 100644
--- a/app/controllers/proposals_dashboard_controller.rb
+++ b/app/controllers/proposals_dashboard_controller.rb
@@ -1,6 +1,3 @@
-# frozen_string_literal: true
-
-# Proposals dashboard
 class ProposalsDashboardController < ApplicationController
   before_action :authenticate_user!
 
diff --git a/app/helpers/admin/proposal_dashboard_actions_helper.rb b/app/helpers/admin/proposal_dashboard_actions_helper.rb
index a1cf4be85..a2d0f1be9 100644
--- a/app/helpers/admin/proposal_dashboard_actions_helper.rb
+++ b/app/helpers/admin/proposal_dashboard_actions_helper.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 module Admin::ProposalDashboardActionsHelper
   def active_human_readable(active)
     return t('admin.proposal_dashboard_actions.index.active') if active
diff --git a/app/models/administrator_task.rb b/app/models/administrator_task.rb
index 0bb085bb9..026a524b4 100644
--- a/app/models/administrator_task.rb
+++ b/app/models/administrator_task.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 class AdministratorTask < ActiveRecord::Base
   belongs_to :source, polymorphic: true
   belongs_to :user
diff --git a/app/models/proposal_dashboard_action.rb b/app/models/proposal_dashboard_action.rb
index 6e7e7f60d..75c902ee9 100644
--- a/app/models/proposal_dashboard_action.rb
+++ b/app/models/proposal_dashboard_action.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 class ProposalDashboardAction < ActiveRecord::Base
   acts_as_paranoid column: :hidden_at
   include ActsAsParanoidAliases
diff --git a/app/models/proposal_executed_dashboard_action.rb b/app/models/proposal_executed_dashboard_action.rb
index cf0b0fca6..f54642d0b 100644
--- a/app/models/proposal_executed_dashboard_action.rb
+++ b/app/models/proposal_executed_dashboard_action.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 class ProposalExecutedDashboardAction < ActiveRecord::Base
   belongs_to :proposal
   belongs_to :proposal_dashboard_action
diff --git a/bin/rspec b/bin/rspec
index b207dde29..ccc1e49af 100755
--- a/bin/rspec
+++ b/bin/rspec
@@ -4,8 +4,6 @@ begin
 rescue LoadError => e
   raise unless e.message.include?('spring')
 end
-# frozen_string_literal: true
-#
 # This file was generated by Bundler.
 #
 # The application 'rspec' is installed as part of a gem, and
diff --git a/db/migrate/20180611072816_create_proposal_dashboard_actions.rb b/db/migrate/20180611072816_create_proposal_dashboard_actions.rb
index e1bbf0eb8..1eee05027 100644
--- a/db/migrate/20180611072816_create_proposal_dashboard_actions.rb
+++ b/db/migrate/20180611072816_create_proposal_dashboard_actions.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 class CreateProposalDashboardActions < ActiveRecord::Migration
   def change
     create_table :proposal_dashboard_actions do |t|
diff --git a/db/migrate/20180612072003_add_action_type_to_proposal_dashboard_actions.rb b/db/migrate/20180612072003_add_action_type_to_proposal_dashboard_actions.rb
index 58bb748ce..8d7991fa6 100644
--- a/db/migrate/20180612072003_add_action_type_to_proposal_dashboard_actions.rb
+++ b/db/migrate/20180612072003_add_action_type_to_proposal_dashboard_actions.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 class AddActionTypeToProposalDashboardActions < ActiveRecord::Migration
   def change
     add_column :proposal_dashboard_actions, :action_type, :integer, null: false, default: 0
diff --git a/spec/features/admin/administrator_tasks_spec.rb b/spec/features/admin/administrator_tasks_spec.rb
index 32ad98bc6..bcba8bb5c 100644
--- a/spec/features/admin/administrator_tasks_spec.rb
+++ b/spec/features/admin/administrator_tasks_spec.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 require 'rails_helper'
 
 describe 'Administrator tasks' do
diff --git a/spec/helpers/admin/proposal_dashboard_actions_helper_spec.rb b/spec/helpers/admin/proposal_dashboard_actions_helper_spec.rb
index b737dd757..a8e2f8a82 100644
--- a/spec/helpers/admin/proposal_dashboard_actions_helper_spec.rb
+++ b/spec/helpers/admin/proposal_dashboard_actions_helper_spec.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 require 'rails_helper'
 
 describe Admin::ProposalDashboardActionsHelper do
diff --git a/spec/models/proposal_dashboard_action_spec.rb b/spec/models/proposal_dashboard_action_spec.rb
index 875820090..9834ca2e1 100644
--- a/spec/models/proposal_dashboard_action_spec.rb
+++ b/spec/models/proposal_dashboard_action_spec.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
 require 'rails_helper'
 
 describe ProposalDashboardAction do
diff --git a/spec/models/proposal_executed_dashboard_action_spec.rb b/spec/models/proposal_executed_dashboard_action_spec.rb
index dc7a4bc21..d03a2545d 100644
--- a/spec/models/proposal_executed_dashboard_action_spec.rb
+++ b/spec/models/proposal_executed_dashboard_action_spec.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
 require 'rails_helper'
 
 describe ProposalExecutedDashboardAction do