diff --git a/src/core/system.conf.in b/src/core/system.conf.in
index f0a59a79a5f..639b5818ffb 100644
--- a/src/core/system.conf.in
+++ b/src/core/system.conf.in
@@ -26,6 +26,7 @@
 #JoinControllers=cpu,cpuacct net_cls,net_prio
 #RuntimeWatchdogSec=0
 #ShutdownWatchdogSec=10min
+#WatchdogDevice=
 #CapabilityBoundingSet=
 #NoNewPrivileges=no
 #SystemCallArchitectures=
@@ -62,5 +63,3 @@
 #DefaultLimitNICE=
 #DefaultLimitRTPRIO=
 #DefaultLimitRTTIME=
-#IPAddressAllow=
-#IPAddressDeny=