diff --git a/platform/firefox/vapi-client.js b/platform/firefox/vapi-client.js
index 42c2cdf..4886bb6 100644
--- a/platform/firefox/vapi-client.js
+++ b/platform/firefox/vapi-client.js
@@ -174,19 +174,6 @@ vAPI.canExecuteContentScript = function() {
 
 /******************************************************************************/
 
-vAPI.getUrlNormalizer = function() {
-    return {
-        get href() {
-            return this._url || '';
-        },
-        set href(url) {
-            this._url = _urlNormalizer_(url, document.baseURI);
-        }
-    };
-};
-
-/******************************************************************************/
-
 })(this);
 
 /******************************************************************************/