diff --git a/apps/system/monitoring/values.yaml b/apps/system/monitoring/values.yaml
index 98c02ee..a591c01 100644
--- a/apps/system/monitoring/values.yaml
+++ b/apps/system/monitoring/values.yaml
@@ -66,7 +66,6 @@ prometheus-operator:
           type: prometheus
           access: proxy
           url: http://prometheus-operated:9090
-          isDefault: true
           editable: false
   alertmanager:
     enabled: false