Remove WordPress generator

To remove WordPress generator, append this code to function.php:

Method 1:

This method will not work on WordPress 2.8.

function remove_generator()
{
    return '';
}
add_filter('the_generator','remove_generator');

Mehod 2:

This method will work on WordPress 2.8.

<?php remove_action('wp_head', 'wp_generator'); ?>