diff --git a/base_concurrency/__init__.py b/base_concurrency/__init__.py
deleted file mode 100644
index 364b1d0b3e9..00000000000
--- a/base_concurrency/__init__.py
+++ /dev/null
@@ -1,22 +0,0 @@
-# -*- coding: utf-8 -*-
-##############################################################################
-#
-#    Author: Matthieu Dietrich
-#    Copyright 2015 Camptocamp SA
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU Affero General Public License as
-#    published by the Free Software Foundation, either version 3 of the
-#    License, or (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU Affero General Public License for more details.
-#
-#    You should have received a copy of the GNU Affero General Public License
-#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-##############################################################################
-
-from . import res_users
diff --git a/base_concurrency/__openerp__.py b/base_concurrency/__openerp__.py
deleted file mode 100644
index 617ccfc969a..00000000000
--- a/base_concurrency/__openerp__.py
+++ /dev/null
@@ -1,44 +0,0 @@
-# -*- coding: utf-8 -*-
-##############################################################################
-#
-#    Author: Matthieu Dietrich
-#    Copyright 2015 Camptocamp SA
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU Affero General Public License as
-#    published by the Free Software Foundation, either version 3 of the
-#    License, or (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU Affero General Public License for more details.
-#
-#    You should have received a copy of the GNU Affero General Public License
-#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-##############################################################################
-
-{"name": "Base Concurrency",
- "version": "8.0.1.0.0",
- "author": "Camptocamp,Odoo Community Association (OCA)",
- "category": "Specific Module",
- "description": """
-Module to regroup all workarounds/fixes to avoid concurrency issues in SQL.
-
-* res.users login_date:
-the login date is now separated from res.users; on long transactions,
-"re-logging" by opening a new tab changes the current res.user row,
-which creates concurrency issues with PostgreSQL in the first transaction.
-
-This creates a new table and a function field to avoid this. In order to
-avoid breaking modules which access via SQL the login_date column, a cron
-(inactive by default) can be used to sync data.
-""",
- "website": "http://camptocamp.com",
- "depends": ['base'],
- "data": ['security/ir.model.access.csv',
-          'cron.xml'],
- "auto_install": False,
- 'installable': False
- }
diff --git a/base_concurrency/cron.xml b/base_concurrency/cron.xml
deleted file mode 100644
index a134f7387c2..00000000000
--- a/base_concurrency/cron.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding='UTF-8'?>
-<openerp>
-    <data>
-        <!--
-            This cron can be used to synchronize the login dates
-            back to the res.users SQL table, since some modules
-            (ex: gamification, auth_openid) use a SQL request
-            to read the data. Otherwise, it should stay inactive.
-        -->
-        <record model="ir.cron" id="cron_res_users_login">
-            <field name="name">Synchronize login dates in res.users</field>
-            <field name="interval_number">1</field>
-            <field name="active" eval="False"/>
-            <field name="user_id" ref="base.user_root"/>
-            <field name="interval_number">1</field>
-            <field name="interval_type">days</field>
-            <field name="numbercall">-1</field>
-            <field name="doall" eval="False"/>
-            <field name="model" eval="'res.users.login'"/>
-            <field name="function" eval="'cron_sync_login_date'"/>
-            <field name="args" eval="'()'"/>
-        </record>
-    </data>
-</openerp>
diff --git a/base_concurrency/i18n/de.po b/base_concurrency/i18n/de.po
deleted file mode 100644
index 44b9e2ada24..00000000000
--- a/base_concurrency/i18n/de.po
+++ /dev/null
@@ -1,63 +0,0 @@
-# Translation of Odoo Server.
-# This file contains the translation of the following modules:
-# * base_concurrency
-# 
-# Translators:
-msgid ""
-msgstr ""
-"Project-Id-Version: server-tools (8.0)\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2015-09-29 11:14+0000\n"
-"PO-Revision-Date: 2015-09-18 13:54+0000\n"
-"Last-Translator: <>\n"
-"Language-Team: German (http://www.transifex.com/oca/OCA-server-tools-8-0/language/de/)\n"
-"MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=UTF-8\n"
-"Content-Transfer-Encoding: \n"
-"Language: de\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
-
-#. module: base_concurrency
-#: field:res.users.login,create_uid:0
-msgid "Created by"
-msgstr "Erstellt von"
-
-#. module: base_concurrency
-#: field:res.users.login,create_date:0
-msgid "Created on"
-msgstr "Erstellt am:"
-
-#. module: base_concurrency
-#: field:res.users.login,id:0
-msgid "ID"
-msgstr "ID"
-
-#. module: base_concurrency
-#: field:res.users.login,write_uid:0
-msgid "Last Updated by"
-msgstr "Zuletzt aktualisiert von"
-
-#. module: base_concurrency
-#: field:res.users.login,write_date:0
-msgid "Last Updated on"
-msgstr "Zuletzt aktualisiert am"
-
-#. module: base_concurrency
-#: field:res.users.login,login_dt:0
-msgid "Latest connection"
-msgstr ""
-
-#. module: base_concurrency
-#: sql_constraint:res.users.login:0
-msgid "The user can only have one login line!"
-msgstr ""
-
-#. module: base_concurrency
-#: field:res.users.login,user_id:0
-msgid "User"
-msgstr "Benutzer"
-
-#. module: base_concurrency
-#: model:ir.model,name:base_concurrency.model_res_users
-msgid "Users"
-msgstr "Benutzer"
diff --git a/base_concurrency/i18n/en.po b/base_concurrency/i18n/en.po
deleted file mode 100644
index e8ad161dcf5..00000000000
--- a/base_concurrency/i18n/en.po
+++ /dev/null
@@ -1,63 +0,0 @@
-# Translation of Odoo Server.
-# This file contains the translation of the following modules:
-# * base_concurrency
-# 
-# Translators:
-msgid ""
-msgstr ""
-"Project-Id-Version: server-tools (8.0)\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2015-09-29 11:14+0000\n"
-"PO-Revision-Date: 2015-09-18 13:54+0000\n"
-"Last-Translator: OCA Transbot <transbot@odoo-community.org>\n"
-"Language-Team: English (http://www.transifex.com/oca/OCA-server-tools-8-0/language/en/)\n"
-"MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=UTF-8\n"
-"Content-Transfer-Encoding: \n"
-"Language: en\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
-
-#. module: base_concurrency
-#: field:res.users.login,create_uid:0
-msgid "Created by"
-msgstr "Created by"
-
-#. module: base_concurrency
-#: field:res.users.login,create_date:0
-msgid "Created on"
-msgstr "Created on"
-
-#. module: base_concurrency
-#: field:res.users.login,id:0
-msgid "ID"
-msgstr "ID"
-
-#. module: base_concurrency
-#: field:res.users.login,write_uid:0
-msgid "Last Updated by"
-msgstr "Last Updated by"
-
-#. module: base_concurrency
-#: field:res.users.login,write_date:0
-msgid "Last Updated on"
-msgstr "Last Updated on"
-
-#. module: base_concurrency
-#: field:res.users.login,login_dt:0
-msgid "Latest connection"
-msgstr "Latest connection"
-
-#. module: base_concurrency
-#: sql_constraint:res.users.login:0
-msgid "The user can only have one login line!"
-msgstr "The user can only have one login line!"
-
-#. module: base_concurrency
-#: field:res.users.login,user_id:0
-msgid "User"
-msgstr "User"
-
-#. module: base_concurrency
-#: model:ir.model,name:base_concurrency.model_res_users
-msgid "Users"
-msgstr "Users"
diff --git a/base_concurrency/i18n/es.po b/base_concurrency/i18n/es.po
deleted file mode 100644
index 3ba0dfb4630..00000000000
--- a/base_concurrency/i18n/es.po
+++ /dev/null
@@ -1,63 +0,0 @@
-# Translation of Odoo Server.
-# This file contains the translation of the following modules:
-# * base_concurrency
-# 
-# Translators:
-msgid ""
-msgstr ""
-"Project-Id-Version: server-tools (8.0)\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2015-09-29 11:14+0000\n"
-"PO-Revision-Date: 2015-09-18 13:54+0000\n"
-"Last-Translator: <>\n"
-"Language-Team: Spanish (http://www.transifex.com/oca/OCA-server-tools-8-0/language/es/)\n"
-"MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=UTF-8\n"
-"Content-Transfer-Encoding: \n"
-"Language: es\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
-
-#. module: base_concurrency
-#: field:res.users.login,create_uid:0
-msgid "Created by"
-msgstr "Creado por"
-
-#. module: base_concurrency
-#: field:res.users.login,create_date:0
-msgid "Created on"
-msgstr "Creado en"
-
-#. module: base_concurrency
-#: field:res.users.login,id:0
-msgid "ID"
-msgstr "ID"
-
-#. module: base_concurrency
-#: field:res.users.login,write_uid:0
-msgid "Last Updated by"
-msgstr "Última actualización de"
-
-#. module: base_concurrency
-#: field:res.users.login,write_date:0
-msgid "Last Updated on"
-msgstr "Última actualización en"
-
-#. module: base_concurrency
-#: field:res.users.login,login_dt:0
-msgid "Latest connection"
-msgstr ""
-
-#. module: base_concurrency
-#: sql_constraint:res.users.login:0
-msgid "The user can only have one login line!"
-msgstr ""
-
-#. module: base_concurrency
-#: field:res.users.login,user_id:0
-msgid "User"
-msgstr "Usuario"
-
-#. module: base_concurrency
-#: model:ir.model,name:base_concurrency.model_res_users
-msgid "Users"
-msgstr "Usuarios"
diff --git a/base_concurrency/i18n/fr.po b/base_concurrency/i18n/fr.po
deleted file mode 100644
index 42be06688f5..00000000000
--- a/base_concurrency/i18n/fr.po
+++ /dev/null
@@ -1,63 +0,0 @@
-# Translation of Odoo Server.
-# This file contains the translation of the following modules:
-# * base_concurrency
-# 
-# Translators:
-msgid ""
-msgstr ""
-"Project-Id-Version: server-tools (8.0)\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2015-09-29 11:14+0000\n"
-"PO-Revision-Date: 2015-09-18 13:54+0000\n"
-"Last-Translator: <>\n"
-"Language-Team: French (http://www.transifex.com/oca/OCA-server-tools-8-0/language/fr/)\n"
-"MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=UTF-8\n"
-"Content-Transfer-Encoding: \n"
-"Language: fr\n"
-"Plural-Forms: nplurals=2; plural=(n > 1);\n"
-
-#. module: base_concurrency
-#: field:res.users.login,create_uid:0
-msgid "Created by"
-msgstr "Créé par"
-
-#. module: base_concurrency
-#: field:res.users.login,create_date:0
-msgid "Created on"
-msgstr "Créé le"
-
-#. module: base_concurrency
-#: field:res.users.login,id:0
-msgid "ID"
-msgstr "ID"
-
-#. module: base_concurrency
-#: field:res.users.login,write_uid:0
-msgid "Last Updated by"
-msgstr "Dernière mise à jour par"
-
-#. module: base_concurrency
-#: field:res.users.login,write_date:0
-msgid "Last Updated on"
-msgstr "Dernière mise à jour le"
-
-#. module: base_concurrency
-#: field:res.users.login,login_dt:0
-msgid "Latest connection"
-msgstr ""
-
-#. module: base_concurrency
-#: sql_constraint:res.users.login:0
-msgid "The user can only have one login line!"
-msgstr ""
-
-#. module: base_concurrency
-#: field:res.users.login,user_id:0
-msgid "User"
-msgstr "Utilisateur"
-
-#. module: base_concurrency
-#: model:ir.model,name:base_concurrency.model_res_users
-msgid "Users"
-msgstr "Utilisateurs"
diff --git a/base_concurrency/i18n/it.po b/base_concurrency/i18n/it.po
deleted file mode 100644
index 304e5629112..00000000000
--- a/base_concurrency/i18n/it.po
+++ /dev/null
@@ -1,63 +0,0 @@
-# Translation of Odoo Server.
-# This file contains the translation of the following modules:
-# * base_concurrency
-# 
-# Translators:
-msgid ""
-msgstr ""
-"Project-Id-Version: server-tools (8.0)\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2015-09-29 11:14+0000\n"
-"PO-Revision-Date: 2015-09-18 13:54+0000\n"
-"Last-Translator: <>\n"
-"Language-Team: Italian (http://www.transifex.com/oca/OCA-server-tools-8-0/language/it/)\n"
-"MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=UTF-8\n"
-"Content-Transfer-Encoding: \n"
-"Language: it\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
-
-#. module: base_concurrency
-#: field:res.users.login,create_uid:0
-msgid "Created by"
-msgstr ""
-
-#. module: base_concurrency
-#: field:res.users.login,create_date:0
-msgid "Created on"
-msgstr ""
-
-#. module: base_concurrency
-#: field:res.users.login,id:0
-msgid "ID"
-msgstr ""
-
-#. module: base_concurrency
-#: field:res.users.login,write_uid:0
-msgid "Last Updated by"
-msgstr ""
-
-#. module: base_concurrency
-#: field:res.users.login,write_date:0
-msgid "Last Updated on"
-msgstr ""
-
-#. module: base_concurrency
-#: field:res.users.login,login_dt:0
-msgid "Latest connection"
-msgstr ""
-
-#. module: base_concurrency
-#: sql_constraint:res.users.login:0
-msgid "The user can only have one login line!"
-msgstr ""
-
-#. module: base_concurrency
-#: field:res.users.login,user_id:0
-msgid "User"
-msgstr "Utente"
-
-#. module: base_concurrency
-#: model:ir.model,name:base_concurrency.model_res_users
-msgid "Users"
-msgstr ""
diff --git a/base_concurrency/i18n/pt_BR.po b/base_concurrency/i18n/pt_BR.po
deleted file mode 100644
index a3011612b81..00000000000
--- a/base_concurrency/i18n/pt_BR.po
+++ /dev/null
@@ -1,64 +0,0 @@
-# Translation of Odoo Server.
-# This file contains the translation of the following modules:
-# * base_concurrency
-# 
-# Translators:
-# Armando Vulcano Junior <vulcano@uol.com.br>, 2015
-msgid ""
-msgstr ""
-"Project-Id-Version: server-tools (8.0)\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2015-09-29 11:14+0000\n"
-"PO-Revision-Date: 2015-09-18 21:01+0000\n"
-"Last-Translator: Armando Vulcano Junior <vulcano@uol.com.br>\n"
-"Language-Team: Portuguese (Brazil) (http://www.transifex.com/oca/OCA-server-tools-8-0/language/pt_BR/)\n"
-"MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=UTF-8\n"
-"Content-Transfer-Encoding: \n"
-"Language: pt_BR\n"
-"Plural-Forms: nplurals=2; plural=(n > 1);\n"
-
-#. module: base_concurrency
-#: field:res.users.login,create_uid:0
-msgid "Created by"
-msgstr "Criado por"
-
-#. module: base_concurrency
-#: field:res.users.login,create_date:0
-msgid "Created on"
-msgstr "Criado em"
-
-#. module: base_concurrency
-#: field:res.users.login,id:0
-msgid "ID"
-msgstr "Identificação"
-
-#. module: base_concurrency
-#: field:res.users.login,write_uid:0
-msgid "Last Updated by"
-msgstr "Última atualização por"
-
-#. module: base_concurrency
-#: field:res.users.login,write_date:0
-msgid "Last Updated on"
-msgstr "Última atualização em"
-
-#. module: base_concurrency
-#: field:res.users.login,login_dt:0
-msgid "Latest connection"
-msgstr "Última conexão"
-
-#. module: base_concurrency
-#: sql_constraint:res.users.login:0
-msgid "The user can only have one login line!"
-msgstr "O usuário pode ter apenas uma linha de login!"
-
-#. module: base_concurrency
-#: field:res.users.login,user_id:0
-msgid "User"
-msgstr "Usuário"
-
-#. module: base_concurrency
-#: model:ir.model,name:base_concurrency.model_res_users
-msgid "Users"
-msgstr "Usuários"
diff --git a/base_concurrency/i18n/ru.po b/base_concurrency/i18n/ru.po
deleted file mode 100644
index 5b0bf5eb04e..00000000000
--- a/base_concurrency/i18n/ru.po
+++ /dev/null
@@ -1,63 +0,0 @@
-# Translation of Odoo Server.
-# This file contains the translation of the following modules:
-# * base_concurrency
-# 
-# Translators:
-msgid ""
-msgstr ""
-"Project-Id-Version: server-tools (8.0)\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2015-09-29 11:14+0000\n"
-"PO-Revision-Date: 2015-09-18 13:54+0000\n"
-"Last-Translator: <>\n"
-"Language-Team: Russian (http://www.transifex.com/oca/OCA-server-tools-8-0/language/ru/)\n"
-"MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=UTF-8\n"
-"Content-Transfer-Encoding: \n"
-"Language: ru\n"
-"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || (n%100>=11 && n%100<=14)? 2 : 3);\n"
-
-#. module: base_concurrency
-#: field:res.users.login,create_uid:0
-msgid "Created by"
-msgstr ""
-
-#. module: base_concurrency
-#: field:res.users.login,create_date:0
-msgid "Created on"
-msgstr ""
-
-#. module: base_concurrency
-#: field:res.users.login,id:0
-msgid "ID"
-msgstr ""
-
-#. module: base_concurrency
-#: field:res.users.login,write_uid:0
-msgid "Last Updated by"
-msgstr ""
-
-#. module: base_concurrency
-#: field:res.users.login,write_date:0
-msgid "Last Updated on"
-msgstr ""
-
-#. module: base_concurrency
-#: field:res.users.login,login_dt:0
-msgid "Latest connection"
-msgstr ""
-
-#. module: base_concurrency
-#: sql_constraint:res.users.login:0
-msgid "The user can only have one login line!"
-msgstr ""
-
-#. module: base_concurrency
-#: field:res.users.login,user_id:0
-msgid "User"
-msgstr "Пользователь"
-
-#. module: base_concurrency
-#: model:ir.model,name:base_concurrency.model_res_users
-msgid "Users"
-msgstr ""
diff --git a/base_concurrency/i18n/sl.po b/base_concurrency/i18n/sl.po
deleted file mode 100644
index c9517c8b6ef..00000000000
--- a/base_concurrency/i18n/sl.po
+++ /dev/null
@@ -1,64 +0,0 @@
-# Translation of Odoo Server.
-# This file contains the translation of the following modules:
-# * base_concurrency
-# 
-# Translators:
-# Matjaž Mozetič <m.mozetic@matmoz.si>, 2015
-msgid ""
-msgstr ""
-"Project-Id-Version: server-tools (8.0)\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2015-09-29 11:14+0000\n"
-"PO-Revision-Date: 2015-09-24 11:47+0000\n"
-"Last-Translator: Matjaž Mozetič <m.mozetic@matmoz.si>\n"
-"Language-Team: Slovenian (http://www.transifex.com/oca/OCA-server-tools-8-0/language/sl/)\n"
-"MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=UTF-8\n"
-"Content-Transfer-Encoding: \n"
-"Language: sl\n"
-"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n%100==4 ? 2 : 3);\n"
-
-#. module: base_concurrency
-#: field:res.users.login,create_uid:0
-msgid "Created by"
-msgstr "Ustvaril"
-
-#. module: base_concurrency
-#: field:res.users.login,create_date:0
-msgid "Created on"
-msgstr "Ustvarjeno"
-
-#. module: base_concurrency
-#: field:res.users.login,id:0
-msgid "ID"
-msgstr "ID"
-
-#. module: base_concurrency
-#: field:res.users.login,write_uid:0
-msgid "Last Updated by"
-msgstr "Zadnjič posodobil"
-
-#. module: base_concurrency
-#: field:res.users.login,write_date:0
-msgid "Last Updated on"
-msgstr "Zadnjič posodobljeno"
-
-#. module: base_concurrency
-#: field:res.users.login,login_dt:0
-msgid "Latest connection"
-msgstr "Zadnja povezava"
-
-#. module: base_concurrency
-#: sql_constraint:res.users.login:0
-msgid "The user can only have one login line!"
-msgstr "Uporabnik ima lahko le eno prijavno povezavo!"
-
-#. module: base_concurrency
-#: field:res.users.login,user_id:0
-msgid "User"
-msgstr "Uporabnik"
-
-#. module: base_concurrency
-#: model:ir.model,name:base_concurrency.model_res_users
-msgid "Users"
-msgstr "Uporabniki"
diff --git a/base_concurrency/res_users.py b/base_concurrency/res_users.py
deleted file mode 100644
index 4ceeaeff5c2..00000000000
--- a/base_concurrency/res_users.py
+++ /dev/null
@@ -1,137 +0,0 @@
-# -*- coding: utf-8 -*-
-##############################################################################
-#
-#    Author: Matthieu Dietrich
-#    Copyright 2015 Camptocamp SA
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU Affero General Public License as
-#    published by the Free Software Foundation, either version 3 of the
-#    License, or (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU Affero General Public License for more details.
-#
-#    You should have received a copy of the GNU Affero General Public License
-#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-##############################################################################
-import logging
-import psycopg2
-import openerp.exceptions
-from openerp import SUPERUSER_ID
-from openerp.osv import orm, fields
-
-_logger = logging.getLogger(__name__)
-
-
-# New class to store the login date
-class ResUsersLogin(orm.Model):
-
-    _name = 'res.users.login'
-    _columns = {
-        'user_id': fields.many2one('res.users', 'User', required=True),
-        'login_dt': fields.date('Latest connection'),
-    }
-
-    _sql_constraints = [
-        ('user_id_unique',
-         'unique(user_id)',
-         'The user can only have one login line!')
-    ]
-
-    # Cron method
-    def cron_sync_login_date(self, cr, uid, context=None):
-        # Simple SQL query to update the original login_date column.
-        try:
-            cr.execute("UPDATE res_users SET login_date = "
-                       "(SELECT login_dt FROM res_users_login "
-                       "WHERE res_users_login.user_id = res_users.id)")
-            cr.commit()
-        except Exception as e:
-            cr.rollback()
-            _logger.exception('Could not synchronize login dates: %s', e)
-
-        return True
-
-
-class ResUsers(orm.Model):
-
-    _inherit = 'res.users'
-
-    # Function to retrieve the login date from the res.users object
-    # (used in some functions, and the user state)
-    def _get_login_date(self, cr, uid, ids, name, args, context=None):
-        res = {}
-        user_login_obj = self.pool['res.users.login']
-        for user_id in ids:
-            login_ids = user_login_obj.search(
-                cr, uid, [('user_id', '=', user_id)], limit=1,
-                context=context)
-            if len(login_ids) == 0:
-                res[user_id] = False
-            else:
-                login = user_login_obj.browse(cr, uid, login_ids[0],
-                                              context=context)
-                res[user_id] = login.login_dt
-        return res
-
-    _columns = {
-        'login_date': fields.function(_get_login_date,
-                                      string='Latest connection',
-                                      type='date', select=1,
-                                      readonly=True, store=False,
-                                      nodrop=True),
-    }
-
-    # Re-defining the login function in order to use the new table
-    def _login(self, db, login, password):
-        if not password:
-            return False
-        user_id = False
-        cr = self.pool.cursor()
-        try:
-            # check if user exists
-            res = self.search(cr, SUPERUSER_ID, [('login', '=', login)])
-            if res:
-                user_id = res[0]
-                try:
-                    # check credentials
-                    self.check_credentials(cr, user_id, password)
-                except openerp.exceptions.AccessDenied:
-                    _logger.info("Login failed for db:%s login:%s", db, login)
-                    user_id = False
-
-                if user_id:
-                    try:
-                        cr.execute("SELECT login_dt "
-                                   "FROM res_users_login "
-                                   "WHERE user_id=%s "
-                                   "FOR UPDATE NOWAIT", (user_id,),
-                                   log_exceptions=False)
-                        # create login line if not existing
-                        result = cr.fetchone()
-                        if result:
-                            cr.execute("UPDATE res_users_login "
-                                       "SET login_dt = now() "
-                                       "AT TIME ZONE 'UTC' "
-                                       "WHERE user_id=%s", (user_id,))
-                        else:
-                            cr.execute("INSERT INTO res_users_login "
-                                       "(user_id, login_dt) "
-                                       "VALUES (%s, now())", (user_id,))
-                        cr.commit()
-                    except psycopg2.OperationalError:
-                        _logger.warning("Failed to update last_login "
-                                        "for db:%s login:%s",
-                                        db, login, exc_info=True)
-                        cr.rollback()
-        except Exception as e:
-            _logger.exception('Login exception: %s', e)
-            user_id = False
-        finally:
-            cr.close()
-
-        return user_id
diff --git a/base_concurrency/security/ir.model.access.csv b/base_concurrency/security/ir.model.access.csv
deleted file mode 100644
index 922391f56d1..00000000000
--- a/base_concurrency/security/ir.model.access.csv
+++ /dev/null
@@ -1,2 +0,0 @@
-id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
-"access_res_users_login_all","res_users_login all","model_res_users_login",,1,0,0,0