diff --git a/tools/easylist-extend.php b/tools/easylist-extend.php
index 5f757d3b..1e54b4dc 100644
--- a/tools/easylist-extend.php
+++ b/tools/easylist-extend.php
@@ -78,6 +78,7 @@ $ARR_REGEX_LIST = array(
     '/^tongji\./' => null,
     '/^toolbar\./' => null,
     '/^stats?\./' => null,
+    '/^adservice\.google\./' => null,
 );
 
 $ARR_WHITE_RULE_LIST = array(