unregister_nav_menu() WP 1.0

Unregisters a navigation menu location for a theme.

No Hooks.

Return

true/false. True on success, false on failure.

Usage

unregister_nav_menu( $location );

$location(string) (required): The menu location identifier.

Notes

Global. Array. $_wp_registered_nav_menus

Changelog

Since 3.1.0

Introduced.

Code of `unregister_nav_menu() unregister nav menu` ^{WP 5.6}

wp-includes/nav-menu.php

<?php
function unregister_nav_menu( $location ) {
	global $_wp_registered_nav_menus;

	if ( is_array( $_wp_registered_nav_menus ) && isset( $_wp_registered_nav_menus[ $location ] ) ) {
		unset( $_wp_registered_nav_menus[ $location ] );
		if ( empty( $_wp_registered_nav_menus ) ) {
			_remove_theme_support( 'menus' );
		}
		return true;
	}
	return false;
}