diff --git a/app/controllers/institute/calendar.php b/app/controllers/institute/calendar.php
deleted file mode 100644
index b17e21f28ea43e962c2c560b38087f18fb58e63c..0000000000000000000000000000000000000000
--- a/app/controllers/institute/calendar.php
+++ /dev/null
@@ -1,139 +0,0 @@
-<?php
-/*
- * This is the controller for the personal calendar
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * @author      Peter Thienel <thienel@data-quest.de>
- * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
- * @category    Stud.IP
- */
-
-/**
-* This controller provides all functions for a calendar of an institute.
-*/
-class Institute_CalendarController extends AuthenticatedController
-{
-
-    private $calendar_settings = [];
-    private $institute_id;
-
-    # see Trails_Controller#before_filter
-    function before_filter(&$action, &$args)
-    {
-        parent::before_filter($action, $args);
-
-        $this->institute_id = Request::option('cid');
-        $this->calendar_settings = Config::get()->getValue('CALENDAR_SETTINGS');
-    }
-
-    public function index_action()
-    {
-        // switch to the view the user has selected in his personal settings
-        $this->redirect('institute/calendar/'
-                . $this->calendar_settings['view']);
-    }
-
-    public function showday_action($timestamp = null)
-    {
-        $calendar = Calendar::getInstance(Calendar::RANGE_INST,
-                $this->institute_id);
-        PageLayout::setTitle(Context::getHeaderLine()
-                . ' - ' . _("Terminkalender - Tagesansicht"));
-        $_SESSION['calendar_sess_control_data']['view_prv'] = 'showday';
-        Navigation::activateItem("/course/calendar/day");
-
-        $atime = $timestamp ?: time();
-
-        $at = date('G', $atime);
-        if ($at >= $this->calendar_settings['start']
-                && $at <= $this->calendar_settings['end'] || !$atime) {
-            $st = $this->calendar_settings['start'];
-            $et = $this->calendar_settings['end'];
-        } elseif ($at < $$this->calendar_settings['start']) {
-            $st = 0;
-            $et = $this->calendar_settings['start'] + 2;
-        } else {
-            $st = $this->calendar_settings['end'] - 2;
-            $et = 23;
-        }
-
-        $this->_calendar = $calendar;
-        $this->atime = $atime;
-        $this->cmd = 'showday';
-        $this->st = $st;
-        $this->et = $et;
-    }
-
-
-    /**
-    * @todo der include muss weg
-    */
-    public function showweek_action($timestamp = null)
-    {
-        $calendar = Calendar::getInstance(Calendar::RANGE_INST,
-                $this->institute_id);
-        PageLayout::setTitle(Context::getHeaderLine()
-                . ' - ' . _("Terminkalender - Wochenansicht"));
-        $_SESSION['calendar_sess_control_data']['view_prv'] = 'showweek';
-        Navigation::activateItem("/course/calendar/week");
-
-        $atime = $timestamp ?: time();
-
-        $at = date('G', $atime);
-        if ($at >= $this->calendar_settings['start']
-                && $at <= $this->calendar_settings['end'] || !$atime) {
-            $st = $this->calendar_settings['start'];
-            $et = $this->calendar_settings['end'];
-        } elseif ($at < $this->calendar_settings['start']) {
-            $st = 0;
-            $et = $this->calendar_settings['start'] + 2;
-        } else {
-            $st = $this->calendar_settings['end'] - 2;
-            $et = 23;
-        }
-
-        include_once 'lib/calendar/lib/DbCalendarWeek.class.php';
-        $this->_calendar = $calendar;
-        $this->atime = $atime;
-        $this->cmd = 'showweek';
-        $this->st = $st;
-        $this->et = $et;
-    }
-
-    public function showmonth_action($timestamp = null)
-    {
-
-    }
-
-    public function showyear_action($timestamp = null)
-    {
-
-    }
-
-    public function event_action($event_id = null)
-    {
-
-    }
-
-    public function seminar_events_action()
-    {
-
-    }
-
-    public function showexport_action()
-    {
-
-    }
-
-    public function export_action()
-    {
-
-    }
-
-
-
-}