diff --git a/base_user_role/__manifest__.py b/base_user_role/__manifest__.py
index 38fd399b7..abdb7dd54 100644
--- a/base_user_role/__manifest__.py
+++ b/base_user_role/__manifest__.py
@@ -4,7 +4,7 @@
 
 {
     'name': 'User roles',
-    'version': '12.0.1.0.0',
+    'version': '13.0.1.0.0',
     'category': 'Tools',
     'author': 'ABF OSIELL, Odoo Community Association (OCA)',
     'license': 'LGPL-3',
diff --git a/base_user_role/data/ir_module_category.xml b/base_user_role/data/ir_module_category.xml
index 6a10c264a..29ba69fb6 100644
--- a/base_user_role/data/ir_module_category.xml
+++ b/base_user_role/data/ir_module_category.xml
@@ -4,6 +4,12 @@
  -->
 <odoo>
 
+<!--
+This module category aims to be linked to role/group you create in your own
+module (field 'res.groups.category_id').
+By doing this you'll have the section 'User roles' in the "Access rights" tab
+on the user form which will regroup all roles/groups for a better visibility.
+-->
 <record model="ir.module.category" id="ir_module_category_role">
     <field name='name'>User roles</field>
 </record>
diff --git a/base_user_role/models/role.py b/base_user_role/models/role.py
index a34f39986..9e0215113 100644
--- a/base_user_role/models/role.py
+++ b/base_user_role/models/role.py
@@ -32,7 +32,6 @@ class ResUsersRole(models.Model):
         string="Associated category",
         help="Associated group's category")
 
-    @api.multi
     @api.depends('line_ids.user_id')
     def _compute_user_ids(self):
         for role in self:
@@ -44,20 +43,17 @@ class ResUsersRole(models.Model):
         new_record.update_users()
         return new_record
 
-    @api.multi
     def write(self, vals):
         res = super(ResUsersRole, self).write(vals)
         self.update_users()
         return res
 
-    @api.multi
     def unlink(self):
         users = self.mapped('user_ids')
         res = super(ResUsersRole, self).unlink()
         users.set_groups_from_roles(force=True)
         return res
 
-    @api.multi
     def update_users(self):
         """Update all the users concerned by the roles identified by `ids`."""
         users = self.mapped('user_ids')
@@ -87,7 +83,6 @@ class ResUsersRoleLine(models.Model):
         'res.company', 'Company',
         default=lambda self: self.env.user.company_id)
 
-    @api.multi
     @api.constrains('user_id', 'company_id')
     def _check_company(self):
         for record in self:
@@ -98,7 +93,6 @@ class ResUsersRoleLine(models.Model):
                     _('User "{}" does not have access to the company "{}"')
                     .format(record.user_id.name, record.company_id.name))
 
-    @api.multi
     @api.depends('date_from', 'date_to')
     def _compute_is_enabled(self):
         today = datetime.date.today()
@@ -113,7 +107,6 @@ class ResUsersRoleLine(models.Model):
                 if today > date_to:
                     role_line.is_enabled = False
 
-    @api.multi
     def unlink(self):
         users = self.mapped('user_id')
         res = super(ResUsersRoleLine, self).unlink()
diff --git a/base_user_role/models/user.py b/base_user_role/models/user.py
index 56b173cc2..23b79e10a 100644
--- a/base_user_role/models/user.py
+++ b/base_user_role/models/user.py
@@ -31,7 +31,6 @@ class ResUsers(models.Model):
                 })
         return default_values
 
-    @api.multi
     @api.depends('role_line_ids.role_id')
     def _compute_role_ids(self):
         for user in self:
@@ -43,13 +42,11 @@ class ResUsers(models.Model):
         new_record.set_groups_from_roles()
         return new_record
 
-    @api.multi
     def write(self, vals):
         res = super(ResUsers, self).write(vals)
         self.sudo().set_groups_from_roles()
         return res
 
-    @api.multi
     def _get_enabled_roles(self):
         return self.role_line_ids.filtered(
             lambda rec: rec.is_enabled and
diff --git a/base_user_role/readme/CONTRIBUTORS.rst b/base_user_role/readme/CONTRIBUTORS.rst
index 4510b4131..ed5062023 100644
--- a/base_user_role/readme/CONTRIBUTORS.rst
+++ b/base_user_role/readme/CONTRIBUTORS.rst
@@ -1,4 +1,4 @@
-* Sébastien Alix <sebastien.alix@osiell.com>
+* Sébastien Alix <sebastien.alix@camptocamp.com>
 * Duc, Dao Dong <duc.dd@komit-consulting.com> (https://komit-consulting.com)
 * Jean-Charles Drubay <jc@komit-consulting.com> (https://komit-consulting.com)
 
diff --git a/base_user_role/readme/USAGE.rst b/base_user_role/readme/USAGE.rst
index 306c2d793..cd31bf738 100644
--- a/base_user_role/readme/USAGE.rst
+++ b/base_user_role/readme/USAGE.rst
@@ -1,11 +1,3 @@
-[ This file must be present and contains the usage instructions
-  for end-users. As all other rst files included in the README,
-  it MUST NOT contain reStructuredText sections
-  only body text (paragraphs, lists, tables, etc). Should you need
-  a more elaborate structure to explain the addon, please create a
-  Sphinx documentation (which may include this file as a "quick start"
-  section). ]
-
 To use this module, you need to:
 
 #. Go to Configuration / Users / Users choose user and set Roles:
diff --git a/base_user_role/views/role.xml b/base_user_role/views/role.xml
index 2ffa054d8..4cbb8afef 100644
--- a/base_user_role/views/role.xml
+++ b/base_user_role/views/role.xml
@@ -62,7 +62,6 @@
     <field name="name">Roles</field>
     <field name="type">ir.actions.act_window</field>
     <field name="res_model">res.users.role</field>
-    <field name="view_type">form</field>
     <field name="view_id" ref="view_res_users_role_tree"/>
 </record>