Disable WordPress Feed Comments

gistfile1.php

<?php
/*
    Plugin Name: Disable Feed Comments
	Description: Disable commenting, comment feeds
	Author: Marko Zabreznik
	Version: 0.1
	Author URI: http://zabreznik.net
 */

// if a comments template is requested, quit
function disable_feed_comments_disable_feed ( $for_comments ) {
    if ($for_comments) {
        wp_die( __( 'ERROR: Comments are disabled.' ), '', array( 'response' => 404 ) );
    }
}
add_action( 'do_feed_rdf',  'disable_feed_comments_disable_feed', 9, 1 );
add_action( 'do_feed_rss',  'disable_feed_comments_disable_feed', 9, 1 );
add_action( 'do_feed_rss2', 'disable_feed_comments_disable_feed', 9, 1 );
add_action( 'do_feed_atom', 'disable_feed_comments_disable_feed', 9, 1 );

// remove all links to the comments feed
function disable_feed_comments_remove_links ( $link ) {
    return;
}
add_filter('post_comments_feed_link', 'disable_feed_comments_remove_links', 10, 1);
add_filter('comments_link_feed', 'disable_feed_comments_remove_links', 10, 1);
add_filter('comment_link', 'disable_feed_comments_remove_links', 10, 1);

// dissable comments count within RSS
function disable_feed_comments_remove_count ( $count, $post ) {
    if (is_feed()) {
        return;
    }
}
add_filter('get_comments_number', 'disable_feed_comments_remove_count', 10, 2);

/* disable frontend comments

// disable new comments
add_filter( 'comments_open', '__return_false' );

// disable posting comments
add_action('pre_comment_on_post', 'no_wp_comments');
function no_wp_comments() {
    wp_die( __( 'ERROR: Comments are disabled.' ), '', array( 'response' => 404 ) );
}