diff --git a/config/default/webhookcainjection_patch.yaml b/config/default/webhookcainjection_patch.yaml
index 7e79bf995..79c5b20a6 100644
--- a/config/default/webhookcainjection_patch.yaml
+++ b/config/default/webhookcainjection_patch.yaml
@@ -6,10 +6,3 @@ metadata:
   name: mutating-webhook-configuration
   annotations:
     cert-manager.io/inject-ca-from: $(CERTIFICATE_NAMESPACE)/$(CERTIFICATE_NAME)
----
-apiVersion: admissionregistration.k8s.io/v1beta1
-kind: ValidatingWebhookConfiguration
-metadata:
-  name: validating-webhook-configuration
-  annotations:
-    cert-manager.io/inject-ca-from: $(CERTIFICATE_NAMESPACE)/$(CERTIFICATE_NAME)
diff --git a/config/manager/manager.yaml b/config/manager/manager.yaml
index b6c85a52d..0e095ec22 100644
--- a/config/manager/manager.yaml
+++ b/config/manager/manager.yaml
@@ -1,10 +1,3 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-  labels:
-    control-plane: controller-manager
-  name: system
----
 apiVersion: apps/v1
 kind: Deployment
 metadata: