diff --git a/cluster/apps/kube-system/cert-manager/kustomization.yaml b/cluster/apps/kube-system/cert-manager/kustomization.yaml
index ee776e42..4268fa0e 100644
--- a/cluster/apps/kube-system/cert-manager/kustomization.yaml
+++ b/cluster/apps/kube-system/cert-manager/kustomization.yaml
@@ -1,6 +1,5 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-  - namespace.yaml
   - helm-release.yaml
   - secret.sops.yaml