diff --git a/A3/overlays/dev/kustomization.yaml b/A3/overlays/dev/kustomization.yaml
index f9c6c41..c85591d 100644
--- a/A3/overlays/dev/kustomization.yaml
+++ b/A3/overlays/dev/kustomization.yaml
@@ -1,6 +1,5 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
-namespace: a3-dev
 resources:
 - gateway.yaml
 - virtualservice.yaml
@@ -10,12 +9,3 @@ resources:
 images:
 - name: registry.gwg313.xyz/private/a3-dev
   newTag: e1d98f86f22ab1475237e8d14920f38630ad17e9
-
-patches:
-  - target:
-      kind: Certificate
-      name: a3-dev-cert
-    patch: |-
-      - op: replace
-        path: /metadata/namespace
-        value: istio-system