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 9a4e1feb3e..ba0e5d420f 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)
 
diff --git a/INSTALL b/INSTALL
index 9cf7633e62..5bff882008 100644
--- a/INSTALL
+++ b/INSTALL
@@ -4,7 +4,7 @@ Installing trytond_analytic_account
 Prerequisites
 -------------
 
- * Python 2.7 or later (http://www.python.org/)
+ * Python 3.4 or later (http://www.python.org/)
  * python-sql (http://code.google.com/p/python-sql/)
  * trytond (http://www.tryton.org/)
  * trytond_company (http://www.tryton.org/)
diff --git a/account.py b/account.py
index c3ff5f9a25..a2dccc43ef 100644
--- a/account.py
+++ b/account.py
@@ -192,7 +192,7 @@ class Account(
 
         ids = [a.id for a in accounts]
         childs = cls.search([('parent', 'child_of', ids)])
-        all_ids = {}.fromkeys(ids + [c.id for c in childs]).keys()
+        all_ids = list({}.fromkeys(ids + [c.id for c in childs]).keys())
 
         id2account = {}
         all_accounts = cls.browse(all_ids)
@@ -284,9 +284,9 @@ class Account(
 
     def get_rec_name(self, name):
         if self.code:
-            return self.code + ' - ' + unicode(self.name)
+            return self.code + ' - ' + str(self.name)
         else:
-            return unicode(self.name)
+            return str(self.name)
 
     @classmethod
     def search_rec_name(cls, name, clause):
diff --git a/line.py b/line.py
index 34603234e5..16148acb6f 100644
--- a/line.py
+++ b/line.py
@@ -164,8 +164,7 @@ class Line(ModelSQL, ModelView):
                 (self.account.rec_name,))
 
 
-class Move:
-    __metaclass__ = PoolMeta
+class Move(metaclass=PoolMeta):
     __name__ = 'account.move'
 
     @classmethod
@@ -289,11 +288,11 @@ class MoveLine(ModelSQL, ModelView):
             for analytic_line in line.analytic_lines:
                 amount = analytic_line.debit - analytic_line.credit
                 amounts[analytic_line.account.root] += amount
-            if not roots <= set(amounts.iterkeys()):
+            if not roots <= set(amounts.keys()):
                 line.analytic_state = 'draft'
                 continue
             amount = line.debit - line.credit
-            for analytic_amount in amounts.itervalues():
+            for analytic_amount in amounts.values():
                 if analytic_amount != amount:
                     line.analytic_state = 'draft'
                     break
diff --git a/setup.py b/setup.py
index 70b2c28210..00410384a8 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'))
@@ -101,7 +99,6 @@ 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 :: Financial :: Accounting',
         ],
     license='GPL-3',
+    python_requires='>=3.4',
     install_requires=requires,
     dependency_links=dependency_links,
     zip_safe=False,
@@ -121,6 +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_analytic_account.rst'],
     )
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://}