diff --git a/commento.subdomain.conf.sample b/commento.subdomain.conf.sample
index cd7f973..2e61b8f 100644
--- a/commento.subdomain.conf.sample
+++ b/commento.subdomain.conf.sample
@@ -31,7 +31,6 @@ server {
 
         include /config/nginx/proxy.conf;
         include /config/nginx/resolver.conf;
-        resolver 127.0.0.11 valid=30s;
         set $upstream_app commento;
         set $upstream_port 8080;
         set $upstream_proto http;