diff --git a/4.monitoring/alerts.yaml b/4.monitoring/alerts.yaml
index cf3fa8f..245e13e 100644
--- a/4.monitoring/alerts.yaml
+++ b/4.monitoring/alerts.yaml
@@ -1,7 +1,6 @@
 apiVersion: monitoring.coreos.com/v1
 kind: PrometheusRule
 metadata:
-  generation: 2
   labels:
     prometheus: zalando
     role: alert-rules