diff --git a/api/external_ping_api/0.1/config_sample.php b/api/external_ping_api/0.1/config_sample.php
index 1680d6a3..9de007e9 100644
--- a/api/external_ping_api/0.1/config_sample.php
+++ b/api/external_ping_api/0.1/config_sample.php
@@ -3,7 +3,6 @@
 
 //General
 $is_active=true;
-$only_allow_ip="";
 
 // index.php config
 //definition when will ping be old, in seconds