diff --git a/lib/core/annotation.dart b/lib/core/annotation.dart
index cee2ad10f..38f43ac6c 100644
--- a/lib/core/annotation.dart
+++ b/lib/core/annotation.dart
@@ -8,7 +8,6 @@ import "dart:html" show ShadowRoot;
 export "package:angular/core/annotation_src.dart" show
     AttachAware,
     DetachAware,
-    ShadowRootAware,
 
     Formatter,
     DirectiveBinder,