diff --git a/plugins/kolab_activesync/kolab_activesync_ui.php b/plugins/kolab_activesync/kolab_activesync_ui.php
--- a/plugins/kolab_activesync/kolab_activesync_ui.php
+++ b/plugins/kolab_activesync/kolab_activesync_ui.php
@@ -183,23 +183,10 @@
         $checkbox_sync  = new html_checkbox(array('name' => 'subscribed[]', 'class' => 'subscription'));
         $checkbox_alarm = new html_checkbox(array('name' => 'alarm[]', 'class' => 'alarm'));
 
-        $names = array();
         foreach ($a_folders as $folder) {
-            $foldername = $origname = preg_replace('/^INBOX »\s+/', '', kolab_storage::object_prettyname($folder));
-
-            // find folder prefix to truncate (the same code as in kolab_addressbook plugin)
-            for ($i = count($names)-1; $i >= 0; $i--) {
-                if (strpos($foldername, $names[$i].' » ') === 0) {
-                    $length = strlen($names[$i].' » ');
-                    $prefix = substr($foldername, 0, $length);
-                    $count  = count(explode(' » ', $prefix));
-                    $foldername = str_repeat('  ', $count-1) . '» ' . substr($foldername, $length);
-                    break;
-                }
-            }
+            $foldername = kolab_storage::object_prettyname($folder);
 
             $folder_id = 'rcmf' . rcube_utils::html_identifier($folder);
-            $names[] = $origname;
             $classes = array('mailbox');
 
             if ($folder_class = $this->rc->folder_classname($folder)) {