diate files from your local disk:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ rm -rf certs
</code></pre></li><li><p>Remove the secret <code>cacerts</code>:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl delete secret cacerts -n istio-system
</code></pre></li><li><p>Remove the authentication policy from the <code>foo</code> namespace:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl delete peerauthentication -n 