diff --git a/__swarm/zabbix-server/zabbix-server-swarm.yml b/__swarm/zabbix-server/zabbix-server-swarm.yml
index 4e0b2d9..20d42b2 100644
--- a/__swarm/zabbix-server/zabbix-server-swarm.yml
+++ b/__swarm/zabbix-server/zabbix-server-swarm.yml
@@ -57,9 +57,6 @@ services:
   zabbix-server:
     env_file:
     - stack.env
-    extends:
-      file: logging.yml
-      service: ${LOGGING:-syslog}
     image: ${DOCKER_REGISTRY:-}zabbix/zabbix-server-pgsql:alpine-latest
     volumes:
     - alertscripts:/usr/lib/zabbix/alertscripts