diff --git a/.drone.yml b/.drone.yml
index e0bc2f7026..5da6083eb7 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -25,12 +25,6 @@ services:
 
 matrix:
     include:
-        - IMAGE: python:2.7
-          TOXENV: py27
-          DATABASE: sqlite
-        - IMAGE: python:2.7
-          TOXENV: py27
-          DATABASE: postgresql
         - IMAGE: python:3.4
           TOXENV: py34
           DATABASE: sqlite
diff --git a/CHANGELOG b/CHANGELOG
index 38754a58a4..efd58c1304 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,5 @@
+* Remove support for Python 2.7
+
 Version 4.8.0 - 2018-04-23
 * Bug fixes (see mercurial logs for details)
 
@@ -11,4 +13,4 @@ Version 4.2.0 - 2016-11-28
 * Bug fixes (see mercurial logs for details)
 
 Version 4.0.0 - 2016-05-02
-* Initial release
\ No newline at end of file
+* Initial release
diff --git a/INSTALL b/INSTALL
index eadd5f2060..1fa9c23876 100644
--- a/INSTALL
+++ b/INSTALL
@@ -4,7 +4,7 @@ Installing trytond_production_routing
 Prerequisites
 -------------
 
- * Python 2.7 or later (http://www.python.org/)
+ * Python 3.4 or later (http://www.python.org/)
  * trytond (http://www.tryton.org/)
  * trytond_production (http://www.tryton.org/)
 
diff --git a/production.py b/production.py
index 15aeb0ff7d..e6f960d7eb 100644
--- a/production.py
+++ b/production.py
@@ -12,8 +12,7 @@ from trytond.transaction import Transaction
 __all__ = ['Production']
 
 
-class Production:
-    __metaclass__ = PoolMeta
+class Production(metaclass=PoolMeta):
     __name__ = 'production'
     work_center = fields.Many2One('production.work.center', 'Work Center',
         states={
diff --git a/routing.py b/routing.py
index 5ab4364467..8e625c35e4 100644
--- a/routing.py
+++ b/routing.py
@@ -6,15 +6,13 @@ from trytond.model import fields
 __all__ = ['Operation', 'RoutingStep']
 
 
-class Operation:
-    __metaclass__ = PoolMeta
+class Operation(metaclass=PoolMeta):
     __name__ = 'production.routing.operation'
     work_center_category = fields.Many2One('production.work.center.category',
         'Work Center Category')
 
 
-class RoutingStep:
-    __metaclass__ = PoolMeta
+class RoutingStep(metaclass=PoolMeta):
     __name__ = 'production.routing.step'
 
     def get_work(self, production, work_center_picker):
diff --git a/setup.py b/setup.py
index c70e4da72a..d60ca822d9 100644
--- a/setup.py
+++ b/setup.py
@@ -1,15 +1,12 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
 
-from setuptools import setup
-import re
-import os
 import io
-try:
-    from configparser import ConfigParser
-except ImportError:
-    from ConfigParser import ConfigParser
+import os
+import re
+from configparser import ConfigParser
+from setuptools import setup
 
 
 def read(fname):
@@ -27,6 +24,7 @@ def get_require_version(name):
         major_version, minor_version + 1)
     return require
 
+
 config = ConfigParser()
 config.readfp(open('tryton.cfg'))
 info = dict(config.items('tryton'))
@@ -102,7 +100,6 @@ setup(name=name,
         'Natural Language :: Slovenian',
         'Natural Language :: Spanish',
         'Operating System :: OS Independent',
-        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
@@ -111,6 +108,7 @@ setup(name=name,
         'Topic :: Office/Business',
         ],
     license='GPL-3',
+    python_requires='>=3.4',
     install_requires=requires,
     dependency_links=dependency_links,
     zip_safe=False,
@@ -121,8 +119,4 @@ setup(name=name,
     test_suite='tests',
     test_loader='trytond.test_loader:Loader',
     tests_require=tests_require,
-    use_2to3=True,
-    convert_2to3_doctests=[
-        'tests/scenario_production_work.rst',
-        ],
     )
diff --git a/tests/scenario_production_work.rst b/tests/scenario_production_work.rst
index fb658b928a..66a47242b5 100644
--- a/tests/scenario_production_work.rst
+++ b/tests/scenario_production_work.rst
@@ -143,7 +143,7 @@ Create an Inventory::
     >>> inventory_line2.quantity = 10
     >>> inventory.click('confirm')
     >>> inventory.state
-    u'done'
+    'done'
 
 Make a production::
 
@@ -156,7 +156,7 @@ Make a production::
     >>> production.quantity = 1
     >>> production.click('wait')
     >>> production.state
-    u'waiting'
+    'waiting'
     >>> production.cost
     Decimal('2.0000')
 
@@ -168,13 +168,13 @@ Test works::
     >>> work1.work_center == center1
     True
     >>> work1.state
-    u'request'
+    'request'
     >>> work2.operation == operation2
     True
     >>> work2.work_center == center2
     True
     >>> work2.state
-    u'request'
+    'request'
 
 Run the production::
 
@@ -182,49 +182,49 @@ Run the production::
     True
     >>> production.click('run')
     >>> production.state
-    u'running'
+    'running'
 
 Test works::
 
     >>> work1, work2 = production.works
     >>> work1.state
-    u'draft'
+    'draft'
     >>> work2.state
-    u'draft'
+    'draft'
 
 Run works::
 
     >>> cycle1 = work1.cycles.new()
     >>> cycle1.click('run')
     >>> cycle1.state
-    u'running'
+    'running'
     >>> work1.reload()
     >>> work1.state
-    u'running'
+    'running'
     >>> cycle1.click('do')
     >>> cycle1.state
-    u'done'
+    'done'
     >>> work1.reload()
     >>> work1.state
-    u'finished'
+    'finished'
     >>> cycle2 = work2.cycles.new()
     >>> cycle2.click('cancel')
     >>> cycle2.state
-    u'cancelled'
+    'cancelled'
     >>> work2.reload()
     >>> work2.state
-    u'draft'
+    'draft'
     >>> cycle2 = work2.cycles.new()
     >>> cycle2.click('run')
     >>> cycle2.state
-    u'running'
+    'running'
     >>> cycle2.duration = datetime.timedelta(hours=1)
     >>> cycle2.click('do')
     >>> cycle2.state
-    u'done'
+    'done'
     >>> work2.reload()
     >>> work2.state
-    u'finished'
+    'finished'
 
 Add an extra work::
 
@@ -235,7 +235,7 @@ Add an extra work::
     >>> work2b = production.works[-1]
 
     >>> work2b.state
-    u'draft'
+    'draft'
 
 And delete the extra work::
 
@@ -251,5 +251,5 @@ Do the production::
 
     >>> production.click('done')
     >>> production.state
-    u'done'
+    'done'
 
diff --git a/tox.ini b/tox.ini
index 2082ab4f4d..adbcbf8431 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,11 +1,11 @@
 [tox]
-envlist = {py27,py34,py35,py36}-{sqlite,postgresql},pypy-{sqlite,postgresql}
+envlist = {py34,py35,py36}-{sqlite,postgresql},pypy3-{sqlite,postgresql}
 
 [testenv]
 commands = {envpython} setup.py test
 deps =
-    {py27,py34,py35,py36}-postgresql: psycopg2 >= 2.5
-    pypy-postgresql: psycopg2cffi >= 2.5
+    {py34,py35,py36}-postgresql: psycopg2 >= 2.5
+    pypy3-postgresql: psycopg2cffi >= 2.5
     sqlite: sqlitebck
 setenv =
     sqlite: TRYTOND_DATABASE_URI={env:SQLITE_URI:sqlite://}