SuperUserAccessPolicyPass.php

<?php

namespace Drupal\Core\DependencyInjection\Compiler;

use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;

/**
 * Removes the super user access policy when toggled off.
 */
class SuperUserAccessPolicyPass implements CompilerPassInterface {
    
    /**
     * {@inheritdoc}
     */
    public function process(ContainerBuilder $container) : void {
        if ($container->getParameter('security.enable_super_user') === FALSE) {
            $container->removeDefinition('access_policy.super_user');
            $container->removeAlias('Drupal\\Core\\Session\\SuperUserAccessPolicy');
        }
    }

}