WordPress started as a blogging platform - but not every site needs a blog!

remove-blog.inc.php

<?php

/**
 * Plugin Name:     EggMUP: Remove Blog from WordPress
 * Plugin URI:      https://gist.github.com/ianpegg/011dbee31391f0a049ba46bbbd623bb8
 * Description:     WordPress started as a blogging platform - but
 * not every site needs a blog! Note: at the moment, this MUP just hides
 * post editing and creation in the dashboard as core post types cannot be disabled!
 * Version:         1.0
 * Author:          Ian Pegg
 * Author URI:      https://eggcupwebdesign.com
 * php version 7.4.15
 *
 * @category Must_Use_Plugin
 * @package  WordPress_Plugin
 * @author   Ian Pegg <[email protected]>
 * @license  GNU/GPLv3 https://www.gnu.org/licenses/gpl-3.0.txt
 * @link     https://eggcupwebdesign.com
 */

namespace EggCup\MUP\RemoveBlog;

if (!defined('ABSPATH')) {
    exit;
}


/**
 * Removes all traces of the blog and post editing
 * from the dashboard sidebar menu.
 *
 * @return void
 */
add_action('admin_menu', function ()
    {
        remove_menu_page('edit.php');
    }
);


/**
 * Removes all traces of the blog and post editing
 * from the dashboard toolbar menu.
 *
 * @return void
 */
add_action('wp_before_admin_bar_render', function ()
    {
        global $wp_admin_bar;
        $wp_admin_bar->remove_menu('new-post');
    }
);