diff --git a/src/core/system.conf.in b/src/core/system.conf.in
index 39b1c74ff9..97325d1811 100644
--- a/src/core/system.conf.in
+++ b/src/core/system.conf.in
@@ -31,7 +31,6 @@
 #NUMAMask=
 #RuntimeWatchdogSec=0
 #RebootWatchdogSec=10min
-#ShutdownWatchdogSec=10min
 #KExecWatchdogSec=0
 #WatchdogDevice=
 #CapabilityBoundingSet=