diff --git a/app/models/request_for_comment.rb b/app/models/request_for_comment.rb
index fe15409b..b4fa819b 100644
--- a/app/models/request_for_comment.rb
+++ b/app/models/request_for_comment.rb
@@ -46,11 +46,7 @@ class RequestForComment < ApplicationRecord
   end
 
   def commenters
-    commenters = []
-    comments.distinct.to_a.each {|comment|
-      commenters.append comment.user
-    }
-    commenters.uniq {|user| user.id}
+    comments.map(&:user).uniq
   end
 
   def self.with_last_activity