diff --git a/app/controllers/projects/merge_requests_controller.rb b/app/controllers/projects/merge_requests_controller.rb
index 8dca040069..2667cc7a4f 100644
--- a/app/controllers/projects/merge_requests_controller.rb
+++ b/app/controllers/projects/merge_requests_controller.rb
@@ -143,7 +143,6 @@ class Projects::MergeRequestsController < Projects::ApplicationController
   def update_branches
     @target_project = selected_target_project
     @target_branches = @target_project.repository.branch_names
-    @target_branches
 
     respond_to do |format|
       format.js