diff --git a/view/address_form.xml b/view/address_form.xml
index 4cceccae20..5529da3e33 100644
--- a/view/address_form.xml
+++ b/view/address_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="Addresses" col="6">
+<form col="6">
     <label name="party"/>
     <field name="party" colspan="5"/>
     <label name="name"/>
diff --git a/view/address_tree.xml b/view/address_tree.xml
index 3560ca9154..ab604efecf 100644
--- a/view/address_tree.xml
+++ b/view/address_tree.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. -->
-<tree string="Addresses">
+<tree>
     <field name="party"/>
     <field name="name"/>
     <field name="street"/>
diff --git a/view/address_tree_sequence.xml b/view/address_tree_sequence.xml
index 4b6d64a4ea..eb61677c08 100644
--- a/view/address_tree_sequence.xml
+++ b/view/address_tree_sequence.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. -->
-<tree string="Addresses" sequence="sequence">
+<tree sequence="sequence">
     <field name="name"/>
     <field name="street"/>
     <field name="streetbis"/>
diff --git a/view/category_form.xml b/view/category_form.xml
index 776f95033b..f1528d4f0a 100644
--- a/view/category_form.xml
+++ b/view/category_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="Category">
+<form>
     <label name="name"/>
     <field name="name"/>
     <label name="active"/>
diff --git a/view/category_list.xml b/view/category_list.xml
index 2d10151ede..a7e643066b 100644
--- a/view/category_list.xml
+++ b/view/category_list.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. -->
-<tree string="Categories">
+<tree>
     <field name="rec_name" expand="1"/>
     <field name="active" tree_invisible="1"/>
 </tree>
diff --git a/view/category_tree.xml b/view/category_tree.xml
index 0a12511faa..6215ea3a27 100644
--- a/view/category_tree.xml
+++ b/view/category_tree.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. -->
-<tree string="Categories" keyword_open="1">
+<tree keyword_open="1">
     <field name="name" expand="1"/>
     <field name="parent" tree_invisible="1"/>
     <field name="childs" tree_invisible="1"/>
diff --git a/view/check_vies_result.xml b/view/check_vies_result.xml
index f8a6bbbf3b..86564949b9 100644
--- a/view/check_vies_result.xml
+++ b/view/check_vies_result.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="VAT Information Exchange System Results" col="1">
+<form col="1">
     <field name="parties_succeed"/>
     <field name="parties_failed"/>
 </form>
diff --git a/view/configuration_form.xml b/view/configuration_form.xml
index 66eb72e89b..11d18e40fc 100644
--- a/view/configuration_form.xml
+++ b/view/configuration_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="Party Configuration">
+<form>
     <label name="party_sequence"/>
     <field name="party_sequence"/>
 </form>
diff --git a/view/contact_mechanism_form.xml b/view/contact_mechanism_form.xml
index 0b3f9ba03b..5a2970df96 100644
--- a/view/contact_mechanism_form.xml
+++ b/view/contact_mechanism_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="Contact Mechanism" col="6">
+<form col="6">
     <label name="party"/>
     <field name="party" colspan="5"/>
     <label name="type"/>
diff --git a/view/contact_mechanism_tree.xml b/view/contact_mechanism_tree.xml
index 90d396ba1b..b65a463165 100644
--- a/view/contact_mechanism_tree.xml
+++ b/view/contact_mechanism_tree.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. -->
-<tree string="Contact Mechanisms">
+<tree>
     <field name="party"/>
     <field name="type"/>
     <field name="value"/>
diff --git a/view/contact_mechanism_tree_sequence.xml b/view/contact_mechanism_tree_sequence.xml
index 2cc33f3685..5e9ed25a6d 100644
--- a/view/contact_mechanism_tree_sequence.xml
+++ b/view/contact_mechanism_tree_sequence.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. -->
-<tree string="Contact Mechanisms" sequence="sequence"
+<tree sequence="sequence"
     editable="bottom">
     <field name="type"/>
     <field name="value" expand="1"/>
diff --git a/view/identifier_form.xml b/view/identifier_form.xml
index 321ec926d5..0436187f15 100644
--- a/view/identifier_form.xml
+++ b/view/identifier_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="Party Identifier">
+<form>
     <label name="party"/>
     <field name="party"/>
     <newline/>
diff --git a/view/identifier_list.xml b/view/identifier_list.xml
index 315582d305..3d4d81d17d 100644
--- a/view/identifier_list.xml
+++ b/view/identifier_list.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. -->
-<tree string="Party Identifiers">
+<tree>
     <field name="party"/>
     <field name="type"/>
     <field name="code" expand="1"/>
diff --git a/view/party_form.xml b/view/party_form.xml
index 241228ba40..433377d918 100644
--- a/view/party_form.xml
+++ b/view/party_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="Party" col="6">
+<form col="6">
     <label name="name"/>
     <field name="name" xexpand="1"/>
     <label name="code"/>
diff --git a/view/party_tree.xml b/view/party_tree.xml
index 44a5674657..d949341b70 100644
--- a/view/party_tree.xml
+++ b/view/party_tree.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. -->
-<tree string="Parties">
+<tree>
     <field name="code"/>
     <field name="name"/>
     <field name="lang"/>