Delete posts old slugs from database in WordPress

/**
 * Deletes posts old slugs from DB.
 *
 * @see https://wpcodebook.com/delete-posts-old-slugs-from-database-in-wordpress/
 */
function wpcodebook_delete_old_slugs() {
	global $wpdb;
	return $wpdb->get_results( "DELETE FROM {$wpdb->prefix}postmeta WHERE meta_key = '_wp_old_slug'" );
}