diff --git a/src/browser/__tests__/ReactEventEmitter-test.js b/src/browser/__tests__/ReactEventEmitter-test.js
index 2aeaecbedf..4e2a03d3b7 100644
--- a/src/browser/__tests__/ReactEventEmitter-test.js
+++ b/src/browser/__tests__/ReactEventEmitter-test.js
@@ -19,7 +19,6 @@
 "use strict";
 
 require('mock-modules')
-    .dontMock('BrowserScroll')
     .dontMock('EventPluginHub')
     .dontMock('ReactMount')
     .dontMock('ReactEventEmitter')