diff --git a/src/url.js b/src/url.js
index c5b1b61..98a3f3c 100644
--- a/src/url.js
+++ b/src/url.js
@@ -6,9 +6,6 @@ void function (window, _ext) {
 	//namespace
 	var url = {}
 
-	//page type
-	url.isInFrame = window.self !== window.top
-
 	//basic info
 	var loc = window.location