diff --git a/jsonnetfile.lock.json b/jsonnetfile.lock.json
index 4fc52ff8e883eb2e2184d3ef5557df27c3f36cdf..c8290a1a5dcdc7928c316cf0d61186c90aa9a043 100644
--- a/jsonnetfile.lock.json
+++ b/jsonnetfile.lock.json
@@ -8,7 +8,7 @@
                     "subdir": "contrib/kube-prometheus/jsonnet/kube-prometheus"
                 }
             },
-            "version": "2694cabc85ed89b3c8ac0865bcbc29d72e52eb2f"
+            "version": "ad23783d41d47f04bb1262ab232d4a9c160570c6"
         },
         {
             "name": "ksonnet",
diff --git a/manifests/prometheus-rules.yaml b/manifests/prometheus-rules.yaml
index 899c2ecc78384c0ef03299e2907956a0dc061372..2f1cd4ab22203fb71f96cf7860b626438f22094b 100644
--- a/manifests/prometheus-rules.yaml
+++ b/manifests/prometheus-rules.yaml
@@ -934,15 +934,6 @@ spec:
       for: 5m
       labels:
         severity: critical
-    - alert: AlertmanagerDownOrMissing
-      annotations:
-        message: An unexpected number of Alertmanagers were scraped or disappeared
-          from discovery.
-      expr: |
-        label_replace(prometheus_operator_alertmanager_spec_replicas{job="prometheus-operator"}, "job", "alertmanager-$1", "alertmanager", "(.*)") / ON(job) GROUP_RIGHT() sum(up{job="alertmanager-main"}) BY (job) != 1
-      for: 5m
-      labels:
-        severity: warning
     - alert: AlertmanagerFailedReload
       annotations:
         message: Reloading Alertmanager's configuration has failed for {{ $labels.namespace