diff --git a/app/models/merge_request_diff.rb b/app/models/merge_request_diff.rb
index a226fef73462feeb3bf5d743ec390f8c81df780b..99afffc1db032c7338631e8f09cbc05b8a76e4d0 100644
--- a/app/models/merge_request_diff.rb
+++ b/app/models/merge_request_diff.rb
@@ -69,12 +69,6 @@ class MergeRequestDiff < ActiveRecord::Base
     end
   end
 
-  # When Git::Diff is not able to get diff
-  # because of git timeout it return this value
-  def broken_diffs
-    [Gitlab::Git::Diff::BROKEN_DIFF]
-  end
-
   # Collect array of Git::Commit objects
   # between target and source branches
   def unmerged_commits