Disable built-in post type from WordPress

disable-built-in-post-type.php

<?php
/* ----------------------------------------------------------------------------
 * Disable built-in post type
 * ------------------------------------------------------------------------- */

add_action( 'init', 'simple_remove_default_post_type', 1 );
function simple_remove_default_post_type() {
		register_post_type( 'post', array(
				'map_meta_cap' => false
		) );
}