diff --git a/upstart-jobs/zabbix-agent.nix b/upstart-jobs/zabbix-agent.nix
index 3fde1a62f62d..fdfb2f3005d2 100644
--- a/upstart-jobs/zabbix-agent.nix
+++ b/upstart-jobs/zabbix-agent.nix
@@ -15,8 +15,6 @@ let
 
     LogFile = ${logDir}/zabbix_agentd
   
-    DebugLevel = 4
-
     PidFile = ${pidFile}
 
     StartAgents = 5
diff --git a/upstart-jobs/zabbix-server.nix b/upstart-jobs/zabbix-server.nix
index 3e693a3ce07a..a20952695905 100644
--- a/upstart-jobs/zabbix-server.nix
+++ b/upstart-jobs/zabbix-server.nix
@@ -13,8 +13,6 @@ let
   configFile = pkgs.writeText "zabbix_server.conf" ''
     LogFile = ${logDir}/zabbix_server
   
-    DebugLevel = 4
-
     PidFile = ${pidFile}
 
     DBName = zabbix