diff --git a/modules/monitoring/library/Monitoring/Object/Service.php b/modules/monitoring/library/Monitoring/Object/Service.php
index f182bd065..419ef2f12 100644
--- a/modules/monitoring/library/Monitoring/Object/Service.php
+++ b/modules/monitoring/library/Monitoring/Object/Service.php
@@ -118,7 +118,6 @@ class Service extends MonitoredObject
             'service_in_downtime',
             'service_acknowledged',
             'service_handled',
-            'service_unhandled',
             'service_output',
             'service_last_state_change',
             'service_long_output',