diff --git a/v7/mediarouter/src/android/support/v7/app/MediaRouteChooserDialog.java b/v7/mediarouter/src/android/support/v7/app/MediaRouteChooserDialog.java
index bd28f51b8ab2..ec533173c3ea 100644
--- a/v7/mediarouter/src/android/support/v7/app/MediaRouteChooserDialog.java
+++ b/v7/mediarouter/src/android/support/v7/app/MediaRouteChooserDialog.java
@@ -109,7 +109,7 @@ public void setRouteSelector(MediaRouteSelector selector) {
      *
      * @param routes The list of routes to filter in-place, never null.
      */
-    public void onFilterRoutes(@NonNull List<MediaRouter.RouteInfo> routes) {
+    public void onFilterRoutes(List<MediaRouter.RouteInfo> routes) {
         for (int i = routes.size(); i-- > 0; ) {
             if (!onFilterRoute(routes.get(i))) {
                 routes.remove(i);