diff --git a/app/helpers/votes_helper.rb b/app/helpers/votes_helper.rb
index 8292717e4..9772a8f04 100644
--- a/app/helpers/votes_helper.rb
+++ b/app/helpers/votes_helper.rb
@@ -1,6 +1,6 @@
 module VotesHelper
   def debate_percentage_of_likes(debate)
-    debate.likes.percent_of(debate.total_votes)
+    (debate.likes.to_f * 100 / debate.total_votes).to_i
   end
 
   def votes_percentage(vote, debate)
diff --git a/app/models/debate.rb b/app/models/debate.rb
index 4316b4777..c4ca74af0 100644
--- a/app/models/debate.rb
+++ b/app/models/debate.rb
@@ -1,5 +1,3 @@
-require "numeric"
-
 class Debate < ApplicationRecord
   include Flaggable
   include Taggable
diff --git a/lib/numeric.rb b/lib/numeric.rb
deleted file mode 100644
index ab9b212b9..000000000
--- a/lib/numeric.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class Numeric
-  def percent_of(n)
-    (to_f / n * 100).to_i
-  end
-end