diff --git a/lib/broccoli/angular2-app.js b/lib/broccoli/angular2-app.js
index 1d2879b5296e..8402e5c7e576 100644
--- a/lib/broccoli/angular2-app.js
+++ b/lib/broccoli/angular2-app.js
@@ -440,8 +440,7 @@ class Angular2App extends BroccoliPlugin {
       }), {
         headerFiles: this._options.polyfills.concat([
           'system-config.js',
-          'main.js',
-          'app/index.js'
+          'main.js'
         ]),
         inputFiles: [
           'system-import.js'