function plt_hide_oauth_client_menus() {
//Hide the "miniOrange OAuth" menu.
remove_menu_page('mo_oauth_settings');
//Hide the "miniOrange OAuth → Configure OAuth" menu.
remove_submenu_page('mo_oauth_settings', 'mo_oauth_settings');
//Hide the "miniOrange OAuth → Advanced EVE Online Settings" menu.
remove_submenu_page('mo_oauth_settings', 'mo_oauth_eve_online_setup');
}
add_action('admin_menu', 'plt_hide_oauth_client_menus', 11);