diff --git a/app/controllers/related_contents_controller.rb b/app/controllers/related_contents_controller.rb
index 8e2cd854d..457936620 100644
--- a/app/controllers/related_contents_controller.rb
+++ b/app/controllers/related_contents_controller.rb
@@ -17,22 +17,20 @@ class RelatedContentsController < ApplicationController
     redirect_to @relationable
   end
 
-  def flag
+  def score_positive
     @related = RelatedContent.find_by(id: params[:id])
+    @related.increment!(:positive_score)
+    @related.opposite_related_content.increment!(:positive_score)
 
-    Flag.flag(current_user, @related)
-    Flag.flag(current_user, @related.opposite_related_content)
-
-    render template: 'relationable/_refresh_flag_actions'
+    render template: 'relationable/_refresh_score_actions'
   end
 
-  def unflag
+  def score_negative
     @related = RelatedContent.find_by(id: params[:id])
+    @related.increment!(:negative_score)
+    @related.opposite_related_content.increment!(:negative_score)
 
-    Flag.unflag(current_user, @related)
-    Flag.unflag(current_user, @related.opposite_related_content)
-
-    render template: 'relationable/_refresh_flag_actions'
+    render template: 'relationable/_refresh_score_actions'
   end
 
   private
diff --git a/app/models/concerns/relationable.rb b/app/models/concerns/relationable.rb
index 4ef03990e..4acc399e4 100644
--- a/app/models/concerns/relationable.rb
+++ b/app/models/concerns/relationable.rb
@@ -12,12 +12,4 @@ module Relationable
   def relationed_contents
     related_contents.not_hidden.map { |related_content| related_content.child_relationable }
   end
-
-  def report_related_content(relationable)
-    related_content = related_contents.find_by(child_relationable: relationable)
-    if related_content.present?
-      related_content.increment!(:flags_count)
-      related_content.opposite_related_content.increment!(:flags_count)
-    end
-  end
 end
diff --git a/app/models/related_content.rb b/app/models/related_content.rb
index 7c9515035..2af0a5c1c 100644
--- a/app/models/related_content.rb
+++ b/app/models/related_content.rb
@@ -1,7 +1,5 @@
 class RelatedContent < ActiveRecord::Base
-  include Flaggable
-
-  RELATED_CONTENTS_REPORT_THRESHOLD = Setting['related_contents_report_threshold'].to_i
+  RELATED_CONTENTS_REPORT_THRESHOLD = Setting['related_contents_report_threshold'].to_f
   RELATIONABLE_MODELS = %w{proposals debates}.freeze
 
   belongs_to :parent_relationable, polymorphic: true, touch: true
@@ -17,11 +15,7 @@ class RelatedContent < ActiveRecord::Base
   after_create :create_opposite_related_content, unless: proc { opposite_related_content.present? }
   after_destroy :destroy_opposite_related_content, if: proc { opposite_related_content.present? }
 
-  scope :not_hidden, -> { where('flags_count <= ?', RELATED_CONTENTS_REPORT_THRESHOLD) }
-
-  def hidden_by_reports?
-    flags_count > RELATED_CONTENTS_REPORT_THRESHOLD
-  end
+  scope :not_hidden, -> { where('positive_score - negative_score / LEAST(nullif(positive_score + negative_score, 0), 1) >= ?', RELATED_CONTENTS_REPORT_THRESHOLD) }
 
   private
 
@@ -29,8 +23,4 @@ class RelatedContent < ActiveRecord::Base
     related_content = RelatedContent.create!(opposite_related_content: self, parent_relationable: child_relationable, child_relationable: parent_relationable)
     self.opposite_related_content = related_content
   end
-
-  def destroy_opposite_related_content
-    opposite_related_content.destroy
-  end
 end
diff --git a/config/routes.rb b/config/routes.rb
index 40eb2e139..fb1535b6c 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -464,8 +464,8 @@ Rails.application.routes.draw do
 
   resources :related_contents, only: [:create] do
     member do
-      put :flag
-      put :unflag
+      put :score_positive
+      put :score_negative
     end
   end