diff --git a/lib/broccoli/angular2-app.js b/lib/broccoli/angular2-app.js
index 53fec98d6c5d..5d8b7d901d18 100644
--- a/lib/broccoli/angular2-app.js
+++ b/lib/broccoli/angular2-app.js
@@ -40,8 +40,7 @@ Angular2App.prototype.toTree = function () {
         'angular2/bundles/angular2.dev.js',
         'angular2/bundles/http.dev.js',
         'angular2/bundles/router.dev.js',
-        'angular2/bundles/upgrade.dev.js',
-        'rxjs/bundles/Rx.js',
+        'rxjs/Rx.js',
         'systemjs/dist/system.src.js'
       ],
       destDir: 'vendor'