Minor backport from EE

app/controllers/concerns/issuable_actions.rb

@@ -54,7 +54,7 @@ module IssuableActions
   end
   def destroy
-    Issuable::DestroyService.new(project, current_user).execute(issuable)
+    Issuable::DestroyService.new(issuable.project, current_user).execute(issuable)
     TodoService.new.destroy_issuable(issuable, current_user)
     name = issuable.human_class_name