1 files changed, 2 insertions, 0 deletions
diff --git a/lib/api/notes.rb b/lib/api/notes.rb
index 4e4e473994b..58d71787aca 100644
--- a/lib/api/notes.rb
+++ b/lib/api/notes.rb
@@ -129,7 +129,9 @@ module API
         end
         delete ":id/#{noteables_str}/:noteable_id/notes/:note_id" do
           note = user_project.notes.find(params[:note_id])
+
           authorize! :admin_note, note
+          check_unmodified_since(note.updated_at)
 
           status 204
           ::Notes::DestroyService.new(user_project, current_user).execute(note)