diff --git a/tests/node.js/mockdom.js b/tests/node.js/mockdom.js
index b502c7b4a4..68c088aa77 100644
--- a/tests/node.js/mockdom.js
+++ b/tests/node.js/mockdom.js
@@ -5,8 +5,6 @@ XMLHttpRequest = function() {
     }
 };
 
-alert = print;
-
 navigator = {
   'appName': 'mockdom',
   'userAgent': 'mockdom',