diff --git a/htdocs/projet/tasks.php b/htdocs/projet/tasks.php
index 7082e68d97d..9c459d2191d 100644
--- a/htdocs/projet/tasks.php
+++ b/htdocs/projet/tasks.php
@@ -112,8 +112,6 @@ $arrayfields = array(
 	't.progress_calculated'=>array('label'=>$langs->trans("ProgressCalculated"), 'checked'=>1, 'position'=>8),
 	't.progress'=>array('label'=>$langs->trans("ProgressDeclared"), 'checked'=>1, 'position'=>9),
 	't.progress_summary'=>array('label'=>$langs->trans("TaskProgressSummary"), 'checked'=>1, 'position'=>10),
-	't.datec'=>array('label'=>$langs->trans("DateCreation"), 'checked'=>0, 'position'=>500),
-	't.tms'=>array('label'=>$langs->trans("DateModificationShort"), 'checked'=>0, 'position'=>500),
 );
 if ($object->usage_bill_time) {
 	$arrayfields['t.tobill']=array('label'=>$langs->trans("TimeToBill"), 'checked'=>0, 'position'=>11);