diff --git a/IPython/html/static/notebook/js/maintoolbar.js b/IPython/html/static/notebook/js/maintoolbar.js
index f86d1d1..9870f96 100644
--- a/IPython/html/static/notebook/js/maintoolbar.js
+++ b/IPython/html/static/notebook/js/maintoolbar.js
@@ -30,9 +30,6 @@ define([
MainToolBar.prototype = Object.create(toolbar.ToolBar.prototype);
- // thought, this might not be the best way as dict might not keep the right order.
- // Might want to put the group name as second to make it optional
- //
MainToolBar.prototype._make = function () {
var grps = [
[