diff --git a/install-dev/upgrade/php/update_feature_detachable_cache.php~ b/install-dev/upgrade/php/update_feature_detachable_cache.php~
deleted file mode 100644
index 7484f243b..000000000
--- a/install-dev/upgrade/php/update_feature_detachable_cache.php~
+++ /dev/null
@@ -1,50 +0,0 @@
-<?php
-/*
-* 2007-2012 PrestaShop
-*
-* NOTICE OF LICENSE
-*
-* This source file is subject to the Open Software License (OSL 3.0)
-* that is bundled with this package in the file LICENSE.txt.
-* It is also available through the world-wide-web at this URL:
-* http://opensource.org/licenses/osl-3.0.php
-* If you did not receive a copy of the license and are unable to
-* obtain it through the world-wide-web, please send an email
-* to license@prestashop.com so we can send you a copy immediately.
-*
-* DISCLAIMER
-*
-* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
-* versions in the future. If you wish to customize PrestaShop for your
-* needs please refer to http://www.prestashop.com for more information.
-*
-*  @author PrestaShop SA <contact@prestashop.com>
-*  @copyright  2007-2011 PrestaShop SA
-*  @version  Release: $Revision: 8754 $
-*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
-*  International Registered Trademark & Property of PrestaShop SA
-*/
-
-function update_feature_detachable_cache()
-{
-	if (!class_exists('Configuration', false))
-	{
-		if (!class_exists('ObjectModel', false))
-		{
-			require_once(_PS_CLASS_DIR_.'/ObjectModel.php');
-			eval('class ObjectModel extends ObjectModelCore{}');
-			
-		}
-		require_once(_PS_CLASS_DIR_.'/Configuration.php');
-		eval('class Configuration extends ConfigurationCore{}');
-	}
-	
-	Configuration::updateGlobalValue('PS_SPECIFIC_PRICE_FEATURE_ACTIVE', (int)SpecificPrice::isCurrentlyUsed('specific_price'));
-	Configuration::updateGlobalValue('PS_SCENE_FEATURE_ACTIVE', (int)Scene::isCurrentlyUsed('scene', true));
-	Configuration::updateGlobalValue('PS_VIRTUAL_PROD_FEATURE_ACTIVE', (int)ProductDownload::isCurrentlyUsed('product_download', true));
-	Configuration::updateGlobalValue('PS_CUSTOMIZATION_FEATURE_ACTIVE', (int)Customization::isCurrentlyUsed());
-	Configuration::updateGlobalValue('PS_DISCOUNT_FEATURE_ACTIVE', (int)Discount::isCurrentlyUsed('discount', true));
-	Configuration::updateGlobalValue('PS_GROUP_FEATURE_ACTIVE', (int)Group::isCurrentlyUsed());
-	Configuration::updateGlobalValue('PS_PACK_FEATURE_ACTIVE', (int)Pack::isCurrentlyUsed());
-	Configuration::updateGlobalValue('PS_ALIAS_FEATURE_ACTIVE', (int)Alias::isCurrentlyUsed('alias', true));
-}