diff --git a/helmfiles/values/prometheus.yaml.gotmpl b/helmfiles/values/prometheus.yaml.gotmpl
index 1f6b5571b3c3b9c08ff20ff78d84ea9e87986cb6..20e7c629786524dc10c8ee10805c42769b264782 100644
--- a/helmfiles/values/prometheus.yaml.gotmpl
+++ b/helmfiles/values/prometheus.yaml.gotmpl
@@ -49,6 +49,12 @@ prometheus:
 prometheusOperator:
   createCustomResource: false
 
+defaultRules:
+  rules:
+    # Disable default rules to prevent KubeCPUOvercommit and KubeMemOvercommit
+    # always firing
+    kubernetesResources: false
+
 grafana:
   adminPassword: "{{ requiredEnv "GRAFANA_ADMIN_PASSWORD" }}"