diff --git a/templates/manifests/base/helmrelease-monitoring.yaml.tpl b/templates/manifests/base/helmrelease-monitoring.yaml.tpl
index 0e3799c..6336b11 100644
--- a/templates/manifests/base/helmrelease-monitoring.yaml.tpl
+++ b/templates/manifests/base/helmrelease-monitoring.yaml.tpl
@@ -106,7 +106,6 @@ spec:
 
         externalLabels:
           cluster: ${customer_name}/${cluster_name}
-        prometheusExternalLabelName: cluster
 
         ruleSelectorNilUsesHelmValues: false
         ruleSelector: {}