diff --git a/app/assets/javascripts/backlogs/app/common.js b/app/assets/javascripts/backlogs/app/common.js
index dd19fe0eb0..329d19b280 100644
--- a/app/assets/javascripts/backlogs/app/common.js
+++ b/app/assets/javascripts/backlogs/app/common.js
@@ -89,21 +89,6 @@ if (window.RB === null || window.RB === undefined) {
         }
       };
 
-      // Modify the ajax request before being sent to the server,
-      // i.e. add project id and csrf token
-      $(document).ajaxSend(function (event, request, settings) {
-        var c = window.RB.constants;
-
-        settings.data = settings.data || "";
-        settings.data += (settings.data ? "&" : "") + "project_id=" + c.project_id;
-
-        if (c.protect_against_forgery) {
-          settings.data += "&" +
-                           c.request_forgery_protection_token + "=" +
-                           encodeURIComponent(c.form_authenticity_token);
-        }
-      });
-
       // Process outstanding entries in the ajax queue whenever a ajax request
       // finishes.
       $(document).ajaxComplete(function (event, xhr, settings) {
diff --git a/lib/open_project/backlogs/issue_edit_actions.rb b/lib/open_project/backlogs/issue_edit_actions.rb
index ccaa42c31c..83694b6ca8 100644
--- a/lib/open_project/backlogs/issue_edit_actions.rb
+++ b/lib/open_project/backlogs/issue_edit_actions.rb
@@ -8,7 +8,6 @@ class OpenProject::Backlogs::IssueEditActions < OpenProject::Nissue::View
   end
 
   def render(t)
-    css_class = "watcher_link_#{@issue.id}"
     content_tag(:div, [
         t.link_to_issue_box(l(:button_cancel), @issue, :class => 'icon icon-cancel'),
         (t.link_to_remote(l(:button_save),