diff --git a/htdocs/product/admin/product.php b/htdocs/product/admin/product.php
index e19f3001883..c8105c8b61a 100644
--- a/htdocs/product/admin/product.php
+++ b/htdocs/product/admin/product.php
@@ -169,11 +169,6 @@ else if ($action == 'usesearchtoselectproduct')
 	$usesearch = GETPOST('activate_usesearchtoselectproduct','alpha');
 	$res = dolibarr_set_const($db, "PRODUIT_USE_SEARCH_TO_SELECT", $usesearch,'chaine',0,'',$conf->entity);
 }
-else if ($action == 'useMaskOnClone')
-{
-	$usemask = GETPOST('activate_useMaskOnClone','alpha');
-	$res = dolibarr_set_const($db, "PRODUIT_USE_MASK_ON_CLONE", $usemask,'chaine',0,'',$conf->entity);
-}
 else if ($action == 'set')
 {
 	$const = "PRODUCT_SPECIAL_".strtoupper(GETPOST('spe','alpha'));
@@ -444,21 +439,6 @@ print '</td>';
 print '</tr>';
 print '</form>';
 
-// Pouvoir utiliser la numérotation configurée dans le masque produit lors du  clonage d'un produit
-$var=!$var;
-print '<form method="POST" action="'.$_SERVER['PHP_SELF'].'">';
-print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
-print '<input type="hidden" name="action" value="useMaskOnClone">';
-print '<tr '.$bc[$var].'>';
-print '<td>'.$langs->trans("UseMaskOnClone", $conf->service->enabled ? '/service' : '').'</td>';
-print '<td width="60" align="right">';
-print $form->selectyesno("activate_useMaskOnClone",$conf->global->PRODUIT_USE_MASK_ON_CLONE,1);
-print '</td><td align="right">';
-print '<input type="submit" class="button" value="'.$langs->trans("Modify").'">';
-print '</td>';
-print '</tr>';
-print '</form>';
-
 // Activate propal merge produt card
 /* disabled. PRODUIT_PDF_MERGE_PROPAL can be added manually. Still did not understand how this feature works.
 $var=!$var;
diff --git a/htdocs/product/card.php b/htdocs/product/card.php
index 36d79dc6d39..5fdba5958f2 100644
--- a/htdocs/product/card.php
+++ b/htdocs/product/card.php
@@ -1614,7 +1614,7 @@ if ($result > 0)
 }
 
 $tmpcode='';
-if (! empty($modCodeProduct->code_auto) && $conf->global->PRODUIT_USE_MASK_ON_CLONE) $tmpcode=$modCodeProduct->getNextValue($object,$object->type);
+if (! empty($modCodeProduct->code_auto)) $tmpcode=$modCodeProduct->getNextValue($object,$object->type);
 
 // Define confirmation messages
 $formquestionclone=array(