diff --git a/hosts/dn42-il-gw1/configuration.nix b/hosts/dn42-il-gw1/configuration.nix
index 0cd44a6..8328e3d 100644
--- a/hosts/dn42-il-gw1/configuration.nix
+++ b/hosts/dn42-il-gw1/configuration.nix
@@ -238,7 +238,6 @@
   };
 
   clerie.system-auto-upgrade = {
-    allowReboot = true;
     autoUpgrade = true;
   };
 
diff --git a/hosts/dn42-il-gw5/configuration.nix b/hosts/dn42-il-gw5/configuration.nix
index ceef936..b232429 100644
--- a/hosts/dn42-il-gw5/configuration.nix
+++ b/hosts/dn42-il-gw5/configuration.nix
@@ -112,7 +112,6 @@
   };
 
   clerie.system-auto-upgrade = {
-    allowReboot = true;
     autoUpgrade = true;
     startAt = "*-*-* 06:22:00";
   };
diff --git a/hosts/dn42-il-gw6/configuration.nix b/hosts/dn42-il-gw6/configuration.nix
index e7b4dc3..6491bda 100644
--- a/hosts/dn42-il-gw6/configuration.nix
+++ b/hosts/dn42-il-gw6/configuration.nix
@@ -106,7 +106,6 @@
   };
 
   clerie.system-auto-upgrade = {
-    allowReboot = true;
     autoUpgrade = true;
     startAt = "*-*-* 07:22:00";
   };
diff --git a/hosts/dn42-ildix-clerie/configuration.nix b/hosts/dn42-ildix-clerie/configuration.nix
index 6022322..b6c4600 100644
--- a/hosts/dn42-ildix-clerie/configuration.nix
+++ b/hosts/dn42-ildix-clerie/configuration.nix
@@ -162,7 +162,6 @@
   '';
 
   clerie.system-auto-upgrade = {
-    allowReboot = true;
     autoUpgrade = true;
   };
 
diff --git a/hosts/dn42-ildix-service/configuration.nix b/hosts/dn42-ildix-service/configuration.nix
index 6fe1d56..843da06 100644
--- a/hosts/dn42-ildix-service/configuration.nix
+++ b/hosts/dn42-ildix-service/configuration.nix
@@ -71,7 +71,6 @@
   networking.firewall.allowedTCPPorts = [ 80 443 ];
 
   clerie.system-auto-upgrade = {
-    allowReboot = true;
     autoUpgrade = true;
   };
 
diff --git a/hosts/nonat/configuration.nix b/hosts/nonat/configuration.nix
index dfee059..8d1e79f 100644
--- a/hosts/nonat/configuration.nix
+++ b/hosts/nonat/configuration.nix
@@ -42,7 +42,6 @@
   networking.firewall.allowedUDPPorts = [];
 
   clerie.system-auto-upgrade = {
-    allowReboot = true;
     autoUpgrade = true;
   };
 
diff --git a/hosts/storage-2/configuration.nix b/hosts/storage-2/configuration.nix
index bfa5e41..ade3ece 100644
--- a/hosts/storage-2/configuration.nix
+++ b/hosts/storage-2/configuration.nix
@@ -53,7 +53,6 @@
   };
 
   clerie.system-auto-upgrade = {
-    allowReboot = true;
     autoUpgrade = true;
   };
 
diff --git a/modules/clerie-system-upgrade/default.nix b/modules/clerie-system-upgrade/default.nix
index 38eb1c1..d2e7a26 100644
--- a/modules/clerie-system-upgrade/default.nix
+++ b/modules/clerie-system-upgrade/default.nix
@@ -10,11 +10,6 @@ in
   options = {
     clerie.system-auto-upgrade = {
       enable = mkEnableOption "clerie system upgrade";
-      allowReboot = mkOption {
-        type = types.bool;
-        default = false;
-        description = "Monitor NixOS";
-      };
       autoUpgrade = mkOption {
         type = types.bool;
         default = false;
@@ -38,7 +33,7 @@ in
 
       serviceConfig = {
         Type = "oneshot";
-        ExecStart = pkgs.clerie-system-upgrade + "/bin/clerie-system-upgrade --no-confirm${optionalString cfg.allowReboot " --allow-reboot"}${optionalString (config.clerie.monitoring.enable) " --node-exporter-metrics-path /var/lib/prometheus-node-exporter/textfiles/clerie-system-upgrade.prom"}";
+        ExecStart = pkgs.clerie-system-upgrade + "/bin/clerie-system-upgrade --no-confirm${optionalString (config.clerie.monitoring.enable) " --node-exporter-metrics-path /var/lib/prometheus-node-exporter/textfiles/clerie-system-upgrade.prom"}";
       };
     };
     systemd.timers.clerie-system-auto-upgrade = mkIf cfg.autoUpgrade {
diff --git a/pkgs/clerie-system-upgrade/clerie-system-upgrade.sh b/pkgs/clerie-system-upgrade/clerie-system-upgrade.sh
index 7e2ad11..c5eee1b 100755
--- a/pkgs/clerie-system-upgrade/clerie-system-upgrade.sh
+++ b/pkgs/clerie-system-upgrade/clerie-system-upgrade.sh
@@ -2,16 +2,11 @@
 
 set -euo pipefail
 
-ALLOW_REBOOT=
 NO_CONFIRM=
 NODE_EXPORTER_METRICS_PATH=
 
 while [[ $# -gt 0 ]]; do
 	case $1 in
-		--allow-reboot)
-			ALLOW_REBOOT=1
-			shift
-		;;
 		--no-confirm)
 			NO_CONFIRM=1
 			shift
@@ -63,13 +58,8 @@ ACTIVATING_SYSTEM_KERNEL="$(readlink /nix/var/nix/profiles/system/{initrd,kernel
 
 if [[ "$BOOTED_SYSTEM_KERNEL" != "$ACTIVATING_SYSTEM_KERNEL" ]]; then
 	echo "Reboot is required"
-	if [[ -n "$ALLOW_REBOOT" ]]; then
-		echo "Rebooting system now"
-		shutdown -r +1 "System update requires reboot"
-	else
-		echo "Automatic reboot not allowed (maybe use --allow-reboot next time)"
-		echo "The system upgrade is staged, please reboot manually soon"
-	fi
+	echo "Rebooting system now"
+	shutdown -r +1 "System update requires reboot"
 else
 	echo "No reboot is required"
 	echo "Activating system now"