diff --git a/.pipelines/cni/lsg/lsg-cni-intergration-template.yaml b/.pipelines/cni/lsg/lsg-cni-intergration-template.yaml
index 23dd7b059d..32c57c4ab4 100644
--- a/.pipelines/cni/lsg/lsg-cni-intergration-template.yaml
+++ b/.pipelines/cni/lsg/lsg-cni-intergration-template.yaml
@@ -176,7 +176,7 @@ stages:
                 echo "Delete load-test Namespace"
                 make -C ./hack/aks set-kubeconf AZCLI=az CLUSTER=${{ parameters.clusterName }}-$(commitID)
                 kubectl get ns --no-headers | grep -v 'kube\|default' | awk '{print $1}'
-                delete=`kubectl get ns --no-headers | grep -v 'kube\|default' | awk '{print $1}'`
+                delete=`kubectl get ns --no-headers | grep -v 'kube\|default\|gatekeeper' | awk '{print $1}'`
                 kubectl delete ns $delete
                 kubectl cluster-info
                 kubectl get po -owide -A
diff --git a/.pipelines/cni/singletenancy/cniv1-template.yaml b/.pipelines/cni/singletenancy/cniv1-template.yaml
index c89394bccb..e8b9c3ff8c 100644
--- a/.pipelines/cni/singletenancy/cniv1-template.yaml
+++ b/.pipelines/cni/singletenancy/cniv1-template.yaml
@@ -203,7 +203,7 @@ stages:
                 echo "Delete load-test Namespace"
                 make -C ./hack/aks set-kubeconf AZCLI=az CLUSTER=${{ parameters.clusterName }}-$(commitID)
                 kubectl get ns --no-headers | grep -v 'kube\|default' | awk '{print $1}'
-                delete=`kubectl get ns --no-headers | grep -v 'kube\|default' | awk '{print $1}'`
+                delete=`kubectl get ns --no-headers | grep -v 'kube\|default\|gatekeeper' | awk '{print $1}'`
                 kubectl delete ns $delete
                 kubectl cluster-info
                 kubectl get po -owide -A
@@ -315,7 +315,7 @@ stages:
                   echo "Delete load-test Namespace"
                   make -C ./hack/aks set-kubeconf AZCLI=az CLUSTER=${{ parameters.clusterName }}-$(commitID)
                   kubectl get ns --no-headers | grep -v 'kube\|default' | awk '{print $1}'
-                  delete=`kubectl get ns --no-headers | grep -v 'kube\|default' | awk '{print $1}'`
+                  delete=`kubectl get ns --no-headers | grep -v 'kube\|default\|gatekeeper' | awk '{print $1}'`
                   kubectl delete ns $delete
                   kubectl cluster-info
                   kubectl get po -owide -A
diff --git a/.pipelines/cni/singletenancy/cniv2-template.yaml b/.pipelines/cni/singletenancy/cniv2-template.yaml
index b965359b22..d040e2569b 100644
--- a/.pipelines/cni/singletenancy/cniv2-template.yaml
+++ b/.pipelines/cni/singletenancy/cniv2-template.yaml
@@ -258,7 +258,7 @@ stages:
                 echo "Delete load-test Namespace"
                 make -C ./hack/aks set-kubeconf AZCLI=az CLUSTER=${{ parameters.clusterName }}-$(commitID)
                 kubectl get ns --no-headers | grep -v 'kube\|default' | awk '{print $1}'
-                delete=`kubectl get ns --no-headers | grep -v 'kube\|default' | awk '{print $1}'`
+                delete=`kubectl get ns --no-headers | grep -v 'kube\|default\|gatekeeper' | awk '{print $1}'`
                 kubectl delete ns $delete
                 kubectl cluster-info
                 kubectl get po -owide -A