diff --git a/htdocs/margin/admin/margin.php b/htdocs/margin/admin/margin.php
index f8beb7cd1ca..b031a190f44 100644
--- a/htdocs/margin/admin/margin.php
+++ b/htdocs/margin/admin/margin.php
@@ -72,7 +72,6 @@ if ($action == 'remises')
 {
     if (dolibarr_set_const($db, 'MARGIN_METHODE_FOR_DISCOUNT', $_POST['MARGIN_METHODE_FOR_DISCOUNT'], 'chaine', 0, '', $conf->entity) > 0)
     {
-          $conf->global->MARGIN_METHODE_FOR_DISCOUNT = $_POST['MARGIN_METHODE_FOR_DISCOUNT'];
           setEventMessage($langs->trans("RecordModifiedSuccessfully"));
     }
     else
@@ -85,7 +84,6 @@ if ($action == 'typemarges')
 {
     if (dolibarr_set_const($db, 'MARGIN_TYPE', $_POST['MARGIN_TYPE'], 'chaine', 0, '', $conf->entity) > 0)
     {
-          $conf->global->MARGIN_METHODE_FOR_DISCOUNT = $_POST['MARGIN_TYPE'];
           setEventMessage($langs->trans("RecordModifiedSuccessfully"));
     }
     else
@@ -98,7 +96,6 @@ if ($action == 'contact')
 {
     if (dolibarr_set_const($db, 'AGENT_CONTACT_TYPE', $_POST['AGENT_CONTACT_TYPE'], 'chaine', 0, '', $conf->entity) > 0)
     {
-          $conf->global->AGENT_CONTACT_TYPE = $_POST['AGENT_CONTACT_TYPE'];
           setEventMessage($langs->trans("RecordModifiedSuccessfully"));
     }
     else
diff --git a/htdocs/projet/admin/project.php b/htdocs/projet/admin/project.php
index 915d4ef69ef..a29bb9a2d63 100644
--- a/htdocs/projet/admin/project.php
+++ b/htdocs/projet/admin/project.php
@@ -237,12 +237,7 @@ if ($action == 'deltask')
 // Set default model
 else if ($action == 'setdoc')
 {
-	if (dolibarr_set_const($db, "PROJECT_ADDON_PDF",$value,'chaine',0,'',$conf->entity))
-	{
-		// La constante qui a ete lue en avant du nouveau set
-		// on passe donc par une variable pour avoir un affichage coherent
-		$conf->global->PROJECT_ADDON_PDF = $value;
-	}
+	dolibarr_set_const($db, "PROJECT_ADDON_PDF",$value,'chaine',0,'',$conf->entity);
 
 	// On active le modele
 	$ret = delDocumentModel($value, $type);
diff --git a/htdocs/societe/admin/societe.php b/htdocs/societe/admin/societe.php
index 8fec81c686c..881946cb1cd 100644
--- a/htdocs/societe/admin/societe.php
+++ b/htdocs/societe/admin/societe.php
@@ -165,10 +165,7 @@ if ($action == 'setdoc')
 
 	$db->begin();
 
-	if (dolibarr_set_const($db, "COMPANY_ADDON_PDF",$value,'chaine',0,'',$conf->entity))
-	{
-		$conf->global->COMPANY_ADDON_PDF = $value;
-	}
+	dolibarr_set_const($db, "COMPANY_ADDON_PDF",$value,'chaine',0,'',$conf->entity);
 
 	// On active le modele
 	$type='company';