diff --git a/beginners-guide/manifest/cpx.yaml b/beginners-guide/manifest/cpx.yaml
index 68ea109..657f4e7 100644
--- a/beginners-guide/manifest/cpx.yaml
+++ b/beginners-guide/manifest/cpx.yaml
@@ -62,7 +62,6 @@ subjects:
 - kind: ServiceAccount
   name: cpx-ingress-k8s-role
   namespace: default
-apiVersion: rbac.authorization.k8s.io/v1
 
 ---
 
@@ -170,4 +169,4 @@ spec:
     protocol: TCP
     name: https
   selector:
-    app: cpx-ingress
\ No newline at end of file
+    app: cpx-ingress