hi elgg...try to hide wire post.i can't hide.please help me

$wire = new ElggMenuItem('thewire', elgg_echo('thewire'), 'thewire/all');
elgg_register_menu_item('site', $wire);

its successfully hidden all tab.but shows unfriends user wire posts in mine tab
elgg_unregister_menu_item('site', array(
'name' => 'thewire',
'text' => elgg_echo('thewire'),
'href' => 'thewire/all'
));