diff --git a/htdocs/includes/modules/facture/janus/janus.modules.php b/htdocs/includes/modules/facture/janus/janus.modules.php
deleted file mode 100644
index 5da1a1cea72..00000000000
--- a/htdocs/includes/modules/facture/janus/janus.modules.php
+++ /dev/null
@@ -1,90 +0,0 @@
-<?php
-/* Copyright (C) 2005 Rodolphe Quiedeville <rodolphe@quiedeville.org>
- * Copyright (C) 2005 Éric Seigne          <eric.seigne@ryxeo.com>
- * Copyright (C) 2005 Regis Houssin        <regis.houssin@cap-networks.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- * or see http://www.gnu.org/
- *
- * $Id$
- * $Source$
- */
-
-/*!	
-  \file       htdocs/includes/modules/facture/janus/janus.modules.php
-  \ingroup    facture
-  \brief      Fichier contenant la classe du modèle de numérotation de référence de facture Janus
-  \version    $Revision$
-*/
-
-require_once(DOL_DOCUMENT_ROOT ."/includes/modules/facture/modules_facture.php");
-
-/*!
-  \class mod_facture_janus
-  \brief      Classe du modèle de numérotation de référence de facture Janus
-*/
-
-class mod_facture_janus extends ModeleNumRefFactures
-{
-
-    /*!     \brief      Renvoi la description du modele de numérotation
-     *      \return     string      Texte descripif
-     */
-    function info()
-    {
-	   global $langs;
-
-		$langs->load("bills");
-
-      return '
-    '.$langs->trans('JanusNumRefModelDesc1');
-    }
-
-    /*!     \brief      Renvoi un exemple de numérotation
-     *      \return     string      Example
-     */
-    function getExample()
-    {
-        return "F50201";
-    }
-
-    /*!     \brief      Renvoie la référence de facture suivante non utilisée
-     *      \param      objsoc      Objet société
-     *      \return     string      Texte descripif
-     */
-    function getNumRef($objsoc=0)
-    { 
-      global $db;
-      global $fac;
-      
-      $prefix='F';
-      $annee = substr(strftime("%y", $fac->date),-1,1);
-      $mois = strftime("%m", $fac->date);
-      $num=0;
-      
-      $sql = "SELECT max(0+substring(facnumber,5)) FROM ".MAIN_DB_PREFIX."facture";
-      $sql .= " WHERE facnumber like '$prefix".$annee.$mois."%'";
-      if ( $db->query($sql) ) 
-        {
-          $row = $db->fetch_row(0);
-	  
-          $num = $row[0];
-        }
-      $num++;
-      $num=sprintf("%02s",$num);
-      return  "$prefix" . $annee . $mois . $num;
-    }    
-}
-?>