Index: wp-admin/js/customize-controls.js
===================================================================
--- wp-admin/js/customize-controls.js	(revision 28220)
+++ wp-admin/js/customize-controls.js	(working copy)
@@ -309,8 +309,8 @@
 
 	api.HeaderControl = api.Control.extend({
 		ready: function() {
-			this.btnRemove        = $('.actions .remove');
-			this.btnNew           = $('.actions .new');
+			this.btnRemove        = $('.customize-control-header .actions .remove');
+			this.btnNew           = $('.customize-control-header .actions .new');
 
 			_.bindAll(this, 'openMedia', 'removeImage');