hide default edit profile fields in the backend

gistfile1.php

/*
 * Hide Default Edit Profile Fields in the backend
 */

function wppb_hide_personal_options(){
    ?>
    <script type="text/javascript">
    jQuery(document).ready(function($) {
        $('form#your-profile > h3:first').hide();
        $('form#your-profile > table:first').hide();
        $('form#your-profile').show();
        $("h3:contains('About Yourself')").hide();
        $("label:contains('Biographical Info')").parents().eq(3).hide();
        $("label:contains('Nickname (required)')").parents().eq(1).before("<h3>Custom Header</h3>");
    });
    </script>
    <?php
}
add_action('admin_head','wppb_hide_personal_options');

function wppb_edit_contactmethods( $contactmethods ) {
    unset($contactmethods['yim']);
    unset($contactmethods['aim']);
    unset($contactmethods['jabber']);
    return $contactmethods;
}
add_filter('user_contactmethods','wppb_edit_contactmethods',10,1);