diff --git a/classes/edit_form.php b/classes/edit_form.php
index 55fa1f8..61e4e95 100644
--- a/classes/edit_form.php
+++ b/classes/edit_form.php
@@ -63,10 +63,6 @@ class edit_form extends \moodleform {
         $group[] = $mform->createElement('submit', 'submitbtn', get_string('savechanges'));
         $group[] = $mform->createElement('submit', 'previewbtn', get_string('savechangespreview', 'htmlcert'), array(), false);
         $mform->addElement('group', 'submitbtngroup', '', $group, '', false);
-
-        $mform->addElement('hidden', 'tid');
-        $mform->setType('tid', PARAM_INT);
-        $mform->setDefault('tid', $this->tid);
     }
 
     /**