diff --git a/ionic/gestures/hammer.ts b/ionic/gestures/hammer.ts
index 5c781532a1..827f765b58 100644
--- a/ionic/gestures/hammer.ts
+++ b/ionic/gestures/hammer.ts
@@ -2,9 +2,7 @@
  * http://hammerjs.github.io/
  *
  * Copyright (c) 2014 Jorik Tangelder;
- * Licensed under the MIT license */
-//(function(window, document, exportName, undefined) {
-//'use strict';
+ * Licensed under the MIT license */
 
 var VENDOR_PREFIXES = ['', 'webkit', 'moz', 'MS', 'ms', 'o'];
 var TEST_ELEMENT = document.createElement('div');
@@ -2452,19 +2450,8 @@ extend(Hammer, {
     bindFn: bindFn,
     prefixed: prefixed
 });
+
+// attach to window for angular2 gesture listeners
+window.Hammer = Hammer;
 
-/*
-if (typeof define == TYPE_FUNCTION && define.amd) {
-    define(function() {
-        return Hammer;
-    });
-} else if (typeof module != 'undefined' && module.exports) {
-    module.exports = Hammer;
-} else {
-    window[exportName] = Hammer;
-}
-*/
-
-export {Hammer};
-
-//})(window, document, 'Hammer');
+export {Hammer};