diff --git a/docs/user-guide/horizontal-pod-autoscaling/hpa-php-apache.yaml b/docs/user-guide/horizontal-pod-autoscaling/hpa-php-apache.yaml
index ab46a2ec5a0..8aa7804ca10 100644
--- a/docs/user-guide/horizontal-pod-autoscaling/hpa-php-apache.yaml
+++ b/docs/user-guide/horizontal-pod-autoscaling/hpa-php-apache.yaml
@@ -7,7 +7,6 @@ spec:
   scaleRef:
     kind: ReplicationController
     name: php-apache
-    namespace: default
     subresource: scale
   minReplicas: 1
   maxReplicas: 10