Can piwik.php be customized to load faster? (3 replies)

I had a look in the piwik.php file and would like to ask if all the following are needed for normal tracking of visitors or if something can be removed, to make piwik.php load faster.

require_once PIWIK_INCLUDE_PATH . '/libs/upgradephp/upgrade.php';
require_once PIWIK_INCLUDE_PATH . '/core/testMinimumPhpVersion.php';
require_once PIWIK_INCLUDE_PATH . '/core/Singleton.php';
require_once PIWIK_INCLUDE_PATH . '/core/Plugin/Manager.php';
require_once PIWIK_INCLUDE_PATH . '/core/Plugin.php';
require_once PIWIK_INCLUDE_PATH . '/core/Common.php';
require_once PIWIK_INCLUDE_PATH . '/core/Piwik.php';
require_once PIWIK_INCLUDE_PATH . '/core/IP.php';
require_once PIWIK_INCLUDE_PATH . '/core/UrlHelper.php';
require_once PIWIK_INCLUDE_PATH . '/core/Url.php';
require_once PIWIK_INCLUDE_PATH . '/core/SettingsPiwik.php';
require_once PIWIK_INCLUDE_PATH . '/core/Tracker.php';
require_once PIWIK_INCLUDE_PATH . '/core/Config.php';
require_once PIWIK_INCLUDE_PATH . '/core/Translate.php';
require_once PIWIK_INCLUDE_PATH . '/core/Tracker/Cache.php';
require_once PIWIK_INCLUDE_PATH . '/core/Tracker/Db.php';
require_once PIWIK_INCLUDE_PATH . '/core/Tracker/Db/DbException.php';
require_once PIWIK_INCLUDE_PATH . '/core/Tracker/IgnoreCookie.php';
require_once PIWIK_INCLUDE_PATH . '/core/Tracker/VisitInterface.php';
require_once PIWIK_INCLUDE_PATH . '/core/Tracker/Visit.php';
require_once PIWIK_INCLUDE_PATH . '/core/Tracker/GoalManager.php';
require_once PIWIK_INCLUDE_PATH . '/core/Tracker/PageUrl.php';
require_once PIWIK_INCLUDE_PATH . '/core/Tracker/TableLogAction.php';
require_once PIWIK_INCLUDE_PATH . '/core/Tracker/Action.php';
require_once PIWIK_INCLUDE_PATH . '/core/Tracker/ActionPageview.php';
require_once PIWIK_INCLUDE_PATH . '/core/Tracker/Request.php';
require_once PIWIK_INCLUDE_PATH . '/core/Tracker/VisitExcluded.php';
require_once PIWIK_INCLUDE_PATH . '/core/Tracker/VisitorNotFoundInDb.php';
require_once PIWIK_INCLUDE_PATH . '/core/CacheFile.php';
require_once PIWIK_INCLUDE_PATH . '/core/Filesystem.php';
require_once PIWIK_INCLUDE_PATH . '/core/Cookie.php';
require_once PIWIK_INCLUDE_PATH . '/core/Loader.php';