diff --git a/tests/mocha/index.html b/tests/mocha/index.html
index 6231da3ea..690b75a77 100644
--- a/tests/mocha/index.html
+++ b/tests/mocha/index.html
@@ -233,7 +233,6 @@
       import './flyout_test.js';
       import './focus_manager_test.js';
       import './focusable_tree_traverser_test.js';
-      // import './test_event_reduction.js';
       import './generator_test.js';
       import './gesture_test.js';
       import './icon_test.js';