diff --git a/IPython/html/static/notebook/js/quickhelp.js b/IPython/html/static/notebook/js/quickhelp.js
index 65a421ccd..22a8f68c9 100644
--- a/IPython/html/static/notebook/js/quickhelp.js
+++ b/IPython/html/static/notebook/js/quickhelp.js
@@ -19,6 +19,7 @@ var IPython = (function (IPython) {
// toggles display of keyboard shortcut dialog
var that = this;
if ( this.force_rebuild ) {
+ this.shortcut_dialog.remove();
delete(this.shortcut_dialog);
this.force_rebuild = false;
}