diff --git a/templates/rbac.yaml b/templates/rbac.yaml
index 1ab5d054a..9c1d087c3 100644
--- a/templates/rbac.yaml
+++ b/templates/rbac.yaml
@@ -34,7 +34,7 @@ rules:
 
   - apiGroups: [ "apiextensions.k8s.io" ]
     resources: [ "customresourcedefinitions" ]
-    verbs: ["get", "list", "watch"]
+    verbs: ["get", "list", "watch", "delete"]
 
   - apiGroups: [ "networking.internal.knative.dev"]
     resources: [ "clusteringresses" ]