diff --git a/htdocs/core/lib/files.lib.php b/htdocs/core/lib/files.lib.php
index 553d275c466..c45dbf96927 100644
--- a/htdocs/core/lib/files.lib.php
+++ b/htdocs/core/lib/files.lib.php
@@ -802,7 +802,7 @@ function dol_move_uploaded_file($src_file, $dest_file, $allowoverwrite, $disable
  */
 function dol_delete_file($file,$disableglob=0,$nophperrors=0,$nohook=0,$object=null)
 {
-	global $db, $conf, $user, $langs;
+	global $langs;
 	global $hookmanager;
 
 	$langs->load("other");
@@ -829,8 +829,6 @@ function dol_delete_file($file,$disableglob=0,$nophperrors=0,$nohook=0,$object=n
 	}
 	else
 	{
-		$error=0;
-
 		//print "x".$file." ".$disableglob;exit;
 		$ok=false;
 		$file_osencoded=dol_osencode($file);    // New filename encoded in OS filesystem encoding charset