code class=language-bash data-expandlinks=true data-repo=istio>$ gcloud compute firewall-rules delete istio-multicluster-test-pods --quiet
</code></pre></li><li><p>Delete the <code>cluster-admin</code> cluster role binding from each cluster no longer being used for Istio:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl delete clusterrolebinding gke-cluster-admin-binding
</code></pre></li><li><p>Delete any GKE clusters no longer in use. The following is an example delete com