diff --git a/prometheus/values.yaml b/prometheus/values.yaml
index 9e2d60b41..a940b9cbc 100644
--- a/prometheus/values.yaml
+++ b/prometheus/values.yaml
@@ -469,9 +469,6 @@ conf:
           - source_labels: [__meta_kubernetes_pod_container_port_name]
             regex: peer-mesh
             action: drop
-          - source_labels: [__meta_kubernetes_namespace]
-            regex: openstack
-            action: keep
     rules:
       alertmanager:
         groups: