diff --git a/htdocs/core/modules/stock/doc/pdf_standard.modules.php b/htdocs/core/modules/stock/doc/pdf_standard.modules.php
index 5374245cea4..0c627322d69 100644
--- a/htdocs/core/modules/stock/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/stock/doc/pdf_standard.modules.php
@@ -208,8 +208,6 @@ class pdf_standard extends ModelePDFStock
 		// Load traductions files required by page
 		$outputlangs->loadLangs(array("main", "dict", "companies", "bills", "stocks", "orders", "deliveries"));
 
-		$nblines = count($object->lines);
-
 		if ($conf->stock->dir_output) {
 			// Definition of $dir and $file
 			if ($object->specimen) {