PHP: Wordpress functions.php remove aim yim and jabber fields replace with facebook twitter

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// Remove AIM YIM and Jabber, replace with Facebook, Twitter

function extra_contact_info($contactmethods) {
    unset($contactmethods['aim']);
    unset($contactmethods['yim']);
    unset($contactmethods['jabber']);
    $contactmethods['facebook'] = 'Facebook';
    $contactmethods['twitter'] = 'Twitter';
 
    return $contactmethods;
}
add_filter('user_contactmethods', 'extra_contact_info');