diff --git a/Coursehistory.class.php b/Coursehistory.class.php
index bd7297fa25798ec3a8da7f6b646d6a1503ed2a46..630443318e36e2097406da5c29bb4b07bc0fbf58 100755
--- a/Coursehistory.class.php
+++ b/Coursehistory.class.php
@@ -6,7 +6,6 @@
  */
 class Coursehistory extends StudIPPlugin implements SystemPlugin, AdminCourseAction
 {
-    
     public function __construct()
     {
         parent::__construct();
@@ -68,11 +67,12 @@ class Coursehistory extends StudIPPlugin implements SystemPlugin, AdminCourseAct
      */
     public function perform($unconsumed_path)
     {
-        $dispatcher         = new Trails_Dispatcher(
+        $dispatcher = new Trails_Dispatcher(
             $this->getPluginPath(),
             rtrim(PluginEngine::getLink($this, [], null), '/'),
             'show'
         );
+        
         $dispatcher->plugin = $this;
         $dispatcher->dispatch($unconsumed_path);
     }
diff --git a/controllers/show.php b/controllers/show.php
index aee92f78c1125d30dd12e701982d951db95eb6d7..1d6015de30b28ab4afa6d4e96de54bcbdc641804 100755
--- a/controllers/show.php
+++ b/controllers/show.php
@@ -31,15 +31,6 @@ class ShowController extends StudipController
         $this->log_actions = $this->getLogEvents();
     }
     
-    /**
-     * Get necessary log actions
-     * @return array
-     */
-    protected function getLogActions()
-    {
-        return DBManager::get()->fetchAll("SELECT `action_id`, `name`, `description` FROM `log_actions` ORDER BY `name`, `description`");
-    }
-    
     /**
      * Returns all log-events for given course
      */
@@ -61,22 +52,4 @@ class ShowController extends StudipController
         });
         return $results;
     }
-    
-    /**
-     * Custom url for
-     * @param string $to
-     * @return a
-     */
-    public function url_for($to = '')
-    {
-        $args   = func_get_args();
-        $params = [];
-        if (is_array(end($args))) {
-            $params = array_pop($args);
-        }
-        $args    = array_map('urlencode', $args);
-        $args[0] = $to;
-        
-        return PluginEngine::getURL($this->dispatcher->plugin, $params, join(' / ', $args));
-    }
 }
diff --git a/plugin.manifest b/plugin.manifest
index edd79b712893b6536d3f6979c0356f0702dc2147..9795aa4554b95a519084aa8590be2c60c193bfcd 100755
--- a/plugin.manifest
+++ b/plugin.manifest
@@ -3,4 +3,4 @@ pluginclassname=Coursehistory
 origin=Vec
 version=3.2
 studipMinVersion=4.3
-studipMaxVersion=4.3.99
+studipMaxVersion=4.4.99
diff --git a/views/show/index.php b/views/show/index.php
index 2361043e945e1edeedeb53ea43f3a818a953d18e..b4fa5508893aabc40bc1993f0e94ecdbdd49428c 100755
--- a/views/show/index.php
+++ b/views/show/index.php
@@ -1,8 +1,5 @@
 <? if (!empty($log_actions)) : ?>
     <table class="default collapsable">
-        <caption>
-            <?= _('Änderungsverlauf') ?>
-        </caption>
         <colgroup>
             <col style="width: 150px">
             <col>