diff --git a/apps/monitor/kube-prometheus-stack/namespace.yaml b/apps/monitor/kube-prometheus-stack/namespace.yaml
deleted file mode 100644
index 78abcfc..0000000
--- a/apps/monitor/kube-prometheus-stack/namespace.yaml
+++ /dev/null
@@ -1,6 +0,0 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-  name: monitoring
-  labels:
-    app.kubernetes.io/component: monitoring
diff --git a/apps/monitor/observability-agent/namespace.yaml b/apps/monitor/observability-agent/namespace.yaml
deleted file mode 100644
index d325236..0000000
--- a/apps/monitor/observability-agent/namespace.yaml
+++ /dev/null
@@ -1,4 +0,0 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-  name: monitoring
diff --git a/clusters/sit/kustomization.yaml b/clusters/sit/kustomization.yaml
index be08c49..f345818 100644
--- a/clusters/sit/kustomization.yaml
+++ b/clusters/sit/kustomization.yaml
@@ -1,6 +1,7 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
+  - namespace.yaml
   - ../../apps/monitor/observability-agent/
   - ../../apps/monitor/kube-prometheus-stack/
   - podmonitor.yaml
diff --git a/clusters/sit/namespace.yaml b/clusters/sit/namespace.yaml
index d325236..78abcfc 100644
--- a/clusters/sit/namespace.yaml
+++ b/clusters/sit/namespace.yaml
@@ -2,3 +2,5 @@ apiVersion: v1
 kind: Namespace
 metadata:
   name: monitoring
+  labels:
+    app.kubernetes.io/component: monitoring