diff --git a/locale/ca_ES.po b/locale/ca.po
similarity index 100%
rename from locale/ca_ES.po
rename to locale/ca.po
diff --git a/locale/es_ES.po b/locale/es.po
similarity index 100%
rename from locale/es_ES.po
rename to locale/es.po
diff --git a/stock.xml b/stock.xml
index 0b7f1b1..98f31b9 100644
--- a/stock.xml
+++ b/stock.xml
@@ -28,9 +28,7 @@
         <record model="ir.action.act_window" id="act_lots_by_location">
             <field name="name">Lots</field>
             <field name="res_model">stock.lot</field>
-            <field name="window_name" eval="False"/>
             <field name="domain" eval="['OR', ('quantity', '!=', 0.0), ('forecast_quantity', '!=', 0.0)]" pyson="1"/>
-            <field name="window_name" eval="True"/>
         </record>
         <record model="ir.action.act_window.view" id="act_lot_form_view2">
             <field name="sequence" eval="10"/>
diff --git a/tryton.cfg b/tryton.cfg
index d7fb2ea..e8f0858 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=4.1.0
+version=4.8.0
 depends:
     stock_lot
 xml:
diff --git a/view/lot_list_qty.xml b/view/lot_list_qty.xml
index 520d2d0..923bf4b 100644
--- a/view/lot_list_qty.xml
+++ b/view/lot_list_qty.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- The COPYRIGHT file at the top level of this repository contains the full
      copyright notices and license terms. -->
-<tree string="Lots">
+<tree>
     <field name="number"/>
     <field name="product"/>
     <field name="quantity"/>
diff --git a/view/lots_by_location_start_form.xml b/view/lots_by_location_start_form.xml
index 4ef90e6..5fc3a35 100644
--- a/view/lots_by_location_start_form.xml
+++ b/view/lots_by_location_start_form.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<form string="Lots by Location">
+<form>
     <label name="forecast_date"/>
     <field name="forecast_date"/>
 </form>