function plt_hide_mistape_menus() {
//Hide the "Mistape" menu.
remove_menu_page('mistape');
//Hide the "Mistape → Error reports" menu.
remove_submenu_page('mistape', 'mistape');
//Hide the "Mistape → Settings" menu.
remove_submenu_page('mistape', 'mistape_settings');
}
add_action('admin_menu', 'plt_hide_mistape_menus', 11);