function plt_hide_atec_cache_apcu_menus() {
//Hide the "atec-systems" menu.
remove_menu_page('atec_group');
//Hide the "atec-systems → Dashboard" menu.
remove_submenu_page('atec_group', 'atec_group');
//Hide the "atec-systems → Cache APCu ❗" menu.
remove_submenu_page('atec_group', 'atec_wpca');
}
add_action('admin_menu', 'plt_hide_atec_cache_apcu_menus', 11);