exclude_class from menu item

add_filter( 'nav_menu_css_class', 'add_my_class_to_nav_menu', 10, 2 );
function add_my_class_to_nav_menu( $classes, $item ) {
    static $active = true;

    foreach ( $classes as $key => $class ) {
        if ( 'current-menu-ancestor' == $class || 'current-menu-parent' == $class || 'current-menu-item' == $class ) {
            if ( $active ) {
                $active = false;
            } else {
                unset( $classes[ $key ] );
            }
        }
    }

    return $classes;
}