diff --git a/test/jasmine/assets/ie9_mock.js b/test/jasmine/assets/ie9_mock.js
deleted file mode 100644
index ac9dd7a30d8..00000000000
--- a/test/jasmine/assets/ie9_mock.js
+++ /dev/null
@@ -1,9 +0,0 @@
-delete window.Promise;
-
-delete window.ArrayBuffer;
-delete window.Uint8Array;
-delete window.Float32Array;
-delete window.Float64Array;
-delete window.Int16Array;
-delete window.Int32Array;
-delete window.DataView;