diff --git a/stock_usability/stock.py b/stock_usability/stock.py
index ebf0d87..780cafc 100644
--- a/stock_usability/stock.py
+++ b/stock_usability/stock.py
@@ -2,7 +2,7 @@
 ##############################################################################
 #
 #    Stock Usability module for Odoo
-#    Copyright (C) 2014-2015 Akretion (http://www.akretion.com)
+#    Copyright (C) 2014-2016 Akretion (http://www.akretion.com)
 #    @author Alexis de Lattre <alexis.delattre@akretion.com>
 #
 #    This program is free software: you can redistribute it and/or modify
@@ -32,11 +32,6 @@ class StockInventory(models.Model):
     _order = 'id desc'
 
 
-class StockPicking(models.Model):
-    _inherit = 'stock.picking'
-    _order = 'id desc'
-
-
 class StockLocation(models.Model):
     _inherit = 'stock.location'
 
diff --git a/stock_usability/stock_view.xml b/stock_usability/stock_view.xml
index 961eb1a..e625bb9 100644
--- a/stock_usability/stock_view.xml
+++ b/stock_usability/stock_view.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 
 <!--
-    Copyright (C) 2014-2015 Akretion (http://www.akretion.com/)
+    Copyright (C) 2014-2016 Akretion (http://www.akretion.com/)
     @author Alexis de Lattre <alexis.delattre@akretion.com>
     The licence is in the file __openerp__.py
 -->
@@ -41,7 +41,7 @@
         <filter string="Origin" position="replace"/>
         <filter string="Expected Date" position="attributes">
             <!-- group per day -->
-            <attribute name="context">"{'group_by':'min_date:day'}"</attribute>
+            <attribute name="context">"{'group_by': 'min_date:day'}"</attribute>
         </filter>
         <filter string="Expected Date" position="after">
             <filter name="date_done" string="Date Done"