function plt_hide_ua_marketplace_menus() {
//Hide the "UA Marketplaces" menu.
remove_menu_page('mrkv_ua_marketplaces');
//Hide the "UA Marketplaces → Dashboard" menu.
remove_submenu_page('mrkv_ua_marketplaces', 'mrkv_ua_marketplaces');
//Hide the "UA Marketplaces → Підтримка" menu.
remove_submenu_page('mrkv_ua_marketplaces', 'mrkv_ua_marketplaces_support');
}
add_action('admin_menu', 'plt_hide_ua_marketplace_menus', 1000000000);