diff --git a/mozilla/browser/components/bookmarks/content/bookmarksToolbar.xml b/mozilla/browser/components/bookmarks/content/bookmarksToolbar.xml
index 411fcf3f5e9..28fe231c30a 100644
--- a/mozilla/browser/components/bookmarks/content/bookmarksToolbar.xml
+++ b/mozilla/browser/components/bookmarks/content/bookmarksToolbar.xml
@@ -381,7 +381,6 @@
           element.setAttribute("id", "openintabs-menuitem")
           element.setAttribute("label", BookmarksUtils.getLocaleString("cmd_bm_openfolder"));
           element.setAttribute("accesskey", BookmarksUtils.getLocaleString("cmd_bm_openfolder_accesskey"));
-          element.setAttribute("class", "menuitem-iconic groupmark-item");
           element.setAttribute("oncommand", "BookmarksUtils.loadBookmarkBrowser(event, this.parentNode.parentNode, this.database); event.preventBubble();");
           aTarget.appendChild(element);
         ]]></body>