diff --git a/prometheus-operator/application.yml b/prometheus-operator/application.yml
index 7c2a535..27d1e5b 100644
--- a/prometheus-operator/application.yml
+++ b/prometheus-operator/application.yml
@@ -16,6 +16,7 @@ spec:
             value: critical
     receiver: 'null'
   receivers:
+  - name: 'null'
   - name: 'slack-notifications'
     slackConfigs:
     - channel: '#kube-prod'