diff --git a/etc/inc/vpn.inc b/etc/inc/vpn.inc
index 6b47c36601..b2f9e1ecc8 100644
--- a/etc/inc/vpn.inc
+++ b/etc/inc/vpn.inc
@@ -1339,7 +1339,6 @@ EOD;
 				if (isset ($pppoecfg['radius']['accounting'])) {
 					$mpdconf .=<<<EOD
 	set auth enable radius-acct
-	set radius acct-update 300
 
 EOD;
 				}
@@ -1531,7 +1530,6 @@ EOD;
 				if (isset ($l2tpcfg['radius']['accounting'])) {
 					$mpdconf .=<<<EOD
 	set auth enable radius-acct
-	set radius acct-update 300
 
 EOD;
 				}