diff --git a/tests/Layer/Grid.html b/tests/Layer/Grid.html
index 6f78cd45dd..eee963b72e 100644
--- a/tests/Layer/Grid.html
+++ b/tests/Layer/Grid.html
@@ -1107,8 +1107,6 @@
                 layer.removeBackBuffer, layer);
         layer.removeBackBuffer = function() {};
 
-       // layer.updateBackBufferData();
-
         //
         // test
         //