diff --git a/bin/zabbix.sh b/bin/zabbix.sh
index a1e1b5c..9eb31fc 100755
--- a/bin/zabbix.sh
+++ b/bin/zabbix.sh
@@ -97,6 +97,10 @@ fi
 # https://github.com/MogiePete/zabbix-systemd-service-monitoring
 cp "$_assets"/zabbix/userparameter_systemd_services.conf "$_agent_conf_d"/
 
+# disble unused system units
+systemctl disable rsync
+systemctl disable systemd-timesyncd
+
 # TODO add modules path to agent ??
 
 # allow comm. port with zabbix-server