Unused globals in TGMPA_List_Table constructor?

[tivnet]

        /**
         * References parent constructor and sets defaults for class.
         *
         * The constructor also grabs a copy of $instance from the TGMPA class
         * and stores it in the global object TGM_Plugin_Activation::$instance.
         *
         * @since 2.2.0
         *
         * @global unknown $status // <----------------------------
         * @global string $page // <----------------------------
         */
        public function __construct() {

            global $status, $page; // <----------------------------

            parent::__construct(
                array(
                    'singular' => 'plugin',
                    'plural'   => 'plugins',
                    'ajax'     => false,
                )
            );

        }