diff --git a/modules/angular2/src/facade/collection.es6 b/modules/angular2/src/facade/collection.es6
index c6d3319eb6..87660e5950 100644
--- a/modules/angular2/src/facade/collection.es6
+++ b/modules/angular2/src/facade/collection.es6
@@ -187,7 +187,6 @@ export class ListWrapper {
   }
   static sort(l:List, compareFn:Function) {
     l.sort(compareFn);
-    return l;
   }
 }