diff --git a/adhoc-config/prometheus-ingress.yml b/adhoc-config/prometheus-ingress.yml
index fcd3f31..d6b97ef 100644
--- a/adhoc-config/prometheus-ingress.yml
+++ b/adhoc-config/prometheus-ingress.yml
@@ -2,6 +2,7 @@ apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
   name: prometheus-operator-ingress
+  namespace: default
   annotations:
     kubernetes.io/ingress.class: "nginx"
     kubernetes.io/tls-acme: "true"
diff --git a/adhoc-config/prometheus-service-account.yaml b/adhoc-config/prometheus-service-account.yaml
deleted file mode 100644
index 1061b3b..0000000
--- a/adhoc-config/prometheus-service-account.yaml
+++ /dev/null
@@ -1,39 +0,0 @@
-apiVersion: v1
-kind: ServiceAccount
-metadata:
-  name: prometheus
-
----
-
-apiVersion: rbac.authorization.k8s.io/v1beta1
-kind: ClusterRole
-metadata:
-  name: prometheus
-rules:
-  - apiGroups: [""]
-    resources:
-    - nodes
-    - nodes/metrics
-    - services
-    - endpoints
-    - pods
-    verbs: ["get", "list", "watch"]
-  - apiGroups: [""]
-    resources:
-    - configmaps
-    verbs: ["get"]
-  - nonResourceURLs: ["/metrics"]
-    verbs: ["get"]
----
-apiVersion: rbac.authorization.k8s.io/v1beta1
-kind: ClusterRoleBinding
-metadata:
-  name: prometheus
-roleRef:
-  apiGroup: rbac.authorization.k8s.io
-  kind: ClusterRole
-  name: prometheus
-subjects:
-- kind: ServiceAccount
-  name: prometheus
-  namespace: default