remove-unnecessary-link-header.php

<?php
defined('ABSPATH') or die();

/*
MU Plugin: remove-unnecessary-link-header
Description: Remove unnecessary link in header
Author: Yann Kozon
Author URI: https://www.yannkozon.com
*/

remove_action( 'wp_head', 'rsd_link' );
remove_action( 'wp_head', 'wp_generator' );
remove_action( 'wp_head', 'feed_links', 2 );
remove_action( 'wp_head', 'feed_links_extra', 3 );
remove_action( 'wp_head', 'index_rel_link' );
remove_action( 'wp_head', 'wlwmanifest_link' );
remove_action( 'wp_head', 'start_post_rel_link', 10, 0 );
remove_action( 'wp_head', 'parent_post_rel_link', 10, 0 );
remove_action( 'wp_head', 'adjacent_posts_rel_link', 10, 0 );
remove_action( 'wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0 );
remove_action( 'wp_head', 'wp_shortlink_wp_head', 10, 0 );