diff --git a/assets/prometheus/prometheus.yaml b/assets/prometheus/prometheus.yaml
index d48d56483973dc1eef38f90abc80a7848f33bff7..08df4789771f3b48d8769d66e3e0305901bb5357 100644
--- a/assets/prometheus/prometheus.yaml
+++ b/assets/prometheus/prometheus.yaml
@@ -1,3 +1,22 @@
+alerting:
+  alertmanagers:
+  - kubernetes_sd_configs:
+    - role: endpoints
+    relabel_configs:
+    - action: keep
+      regex: alertmanager-main
+      source_labels:
+      - __meta_kubernetes_service_name
+    - action: keep
+      regex: monitoring
+      source_labels:
+      - __meta_kubernetes_namespace
+    - action: keep
+      regex: web
+      source_labels:
+      - __meta_kubernetes_endpoint_port_name
+    scheme: http
+
 global:
   scrape_interval: 15s
   evaluation_interval: 15s
diff --git a/assets/prometheus/rules/kubernetes.rules b/assets/prometheus/rules/kubernetes.rules
index 216c0ccde6f71b762b2488dd22fe563136bb87ce..c0dddb92f652159f742b800945721001f05a9b61 100644
--- a/assets/prometheus/rules/kubernetes.rules
+++ b/assets/prometheus/rules/kubernetes.rules
@@ -286,18 +286,6 @@ ALERT K8SControllerManagerDown
     description = "There is no running K8S controller manager. Deployments and replication controllers are not making progress.",
   }
 
-ALERT K8SMoreThanOneController
-  IF count by (job,cluster) (up{job=~"kube-scheduler|kube-controller-manager"}) > 1
-  FOR 5m
-  LABELS {
-    service = "k8s",
-    severity = "critical",
-  }
-  ANNOTATIONS {
-    summary = "More than one controller node is active",
-    description = "There is more than one {{ $labels.job }} managing the cluster. Cluster behaviour is undefined.",
-  }
-
 ALERT K8SConntrackTableFull
   IF 100*node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 50
   FOR 10m
diff --git a/manifests/prometheus/prometheus-k8s-rules.yaml b/manifests/prometheus/prometheus-k8s-rules.yaml
index c01a7f3e4856ae4fcbf44d2f2fc7dd8589418b33..6e83500ea122092eaea6d8b5f2b276109b910083 100644
--- a/manifests/prometheus/prometheus-k8s-rules.yaml
+++ b/manifests/prometheus/prometheus-k8s-rules.yaml
@@ -341,18 +341,6 @@ data:
         description = "There is no running K8S controller manager. Deployments and replication controllers are not making progress.",
       }
 
-    ALERT K8SMoreThanOneController
-      IF count by (job,cluster) (up{job=~"kube-scheduler|kube-controller-manager"}) > 1
-      FOR 5m
-      LABELS {
-        service = "k8s",
-        severity = "critical",
-      }
-      ANNOTATIONS {
-        summary = "More than one controller node is active",
-        description = "There is more than one {{ $labels.job }} managing the cluster. Cluster behaviour is undefined.",
-      }
-
     ALERT K8SConntrackTableFull
       IF 100*node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 50
       FOR 10m