diff --git a/htdocs/supplier_proposal/class/supplier_proposal.class.php b/htdocs/supplier_proposal/class/supplier_proposal.class.php
index 03daddc6c48..f27a3df4438 100644
--- a/htdocs/supplier_proposal/class/supplier_proposal.class.php
+++ b/htdocs/supplier_proposal/class/supplier_proposal.class.php
@@ -1512,13 +1512,12 @@ class SupplierProposal extends CommonObject
 	 *
 	 *	@param      User 	$user        		Object user that modify
 	 *	@param      int		$delivery_date		Delivery date
-	 *  @param  	int		$notrigger			1=Does not execute triggers, 0= execute triggers
 	 *	@return     int         				<0 if ko, >0 if ok
 	 *	@deprecated Use  setDeliveryDate
 	 */
-    public function set_date_livraison($user, $delivery_date, $notrigger = 0)
+    public function set_date_livraison($user, $delivery_date)
 	{
-		return $this->setDeliveryDate($user, $delivery_date, $notrigger);
+		return $this->setDeliveryDate($user, $delivery_date);
 	}
 
 	/**