security_local.php

<?php

/*
 * @copyright   2019 Mautic Contributors. All rights reserved
 * @author      Mautic
 *
 * @link        http://mautic.org
 *
 * @license     GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html
 */

// load basic Mautic security
include_once 'security.php';

// disable upgrade notification
$container->setParameter('mautic.security.disableUpdates', true);

// hide Identify visitor by device fingerprint and Identify visitors by IP options
$myCutomRestrictedConfigFields = ['track_by_fingerprint', 'track_contact_by_ip'];

$restrictedConfigFields = array_merge($restrictedConfigFields, $myCutomRestrictedConfigFields);
$container->setParameter('mautic.security.restrictedConfigFields', $restrictedConfigFields);

I can't find the path app/cache/prod/ directory, And the notification is also not yet disabled yet

Thanks it worked