diff --git a/mod_form.php b/mod_form.php
index b945f0da48153de6a1aec9265dd9560495c9514a..479a6fd228451dcb8851326db1af45ebb36870ad 100644
--- a/mod_form.php
+++ b/mod_form.php
@@ -33,7 +33,6 @@ class mod_vpl_mod_form extends moodleform_mod {
         $plugincfg = get_config('mod_vpl');
         $mform = & $this->_form;
         $mform->addElement( 'header', 'general', get_string( 'general', 'form' ) );
-        $modname = 'vpl';
         $mform->addElement( 'text', 'name', get_string( 'name' ), array (
                 'size' => '50'
         ) );
@@ -51,10 +50,6 @@ class mod_vpl_mod_form extends moodleform_mod {
             $this->standard_intro_elements( get_string( 'fulldescription', VPL ) );
         }
         $mform->addElement( 'header', 'submissionperiod', get_string( 'submissionperiod', VPL ) );
-        $secondsday = 24 * 60 * 60;
-        $now = time();
-        $inittime = round( $now / $secondsday ) * $secondsday + 5 * 60;
-        $endtime = $inittime + (8 * $secondsday) - 5 * 60;
         $mform->addElement( 'date_time_selector', 'startdate', get_string( 'startdate', VPL ), array (
                 'optional' => true
         ) );
@@ -63,7 +58,7 @@ class mod_vpl_mod_form extends moodleform_mod {
         $mform->addElement( 'date_time_selector', 'duedate', get_string( 'duedate', VPL ), array (
                 'optional' => true
         ) );
-        $mform->setDefault( 'duedate', $endtime );
+        $mform->setDefault( 'duedate', 0 );
 
         $mform->addElement( 'header', 'submissionrestrictions', get_string( 'submissionrestrictions', VPL ) );
         $mform->addElement( 'text', 'maxfiles', get_string( 'maxfiles', VPL ) );