diff --git a/README.rst b/README.rst
index b5305b6..724d1b0 100644
--- a/README.rst
+++ b/README.rst
@@ -12,8 +12,14 @@ Prerequisites
 Python
 ------
 
+Starting with ``atrcopy`` 7.0, Python 2 support has been dropped.
+
 Supported Python versions:
 
+* Python 3.6 and later
+
+If you need Python 2 support, ``atrcopy`` 6.5 and earlier supports:
+
 * Python 2.7
 * Python 3.5
 * Python 3.6
diff --git a/atrcopy/__init__.py b/atrcopy/__init__.py
index 55e3113..f4f3012 100644
--- a/atrcopy/__init__.py
+++ b/atrcopy/__init__.py
@@ -1,6 +1,3 @@
-from __future__ import print_function
-from __future__ import absolute_import
-from builtins import str
 import os
 import sys
 import zlib
diff --git a/atrcopy/ataridos.py b/atrcopy/ataridos.py
index 4e1cdb4..6f89886 100644
--- a/atrcopy/ataridos.py
+++ b/atrcopy/ataridos.py
@@ -1,8 +1,3 @@
-from __future__ import absolute_import
-from __future__ import division
-from builtins import str
-from builtins import range
-from builtins import object
 import numpy as np
 
 from .errors import *
diff --git a/atrcopy/cartridge.py b/atrcopy/cartridge.py
index 1ee7e37..6b780a4 100644
--- a/atrcopy/cartridge.py
+++ b/atrcopy/cartridge.py
@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from builtins import str
-from builtins import object
 from collections import defaultdict
 
 import numpy as np
diff --git a/atrcopy/diskimages.py b/atrcopy/diskimages.py
index fdae08d..1a214a6 100644
--- a/atrcopy/diskimages.py
+++ b/atrcopy/diskimages.py
@@ -1,7 +1,3 @@
-from __future__ import absolute_import
-from builtins import str
-from builtins import range
-from builtins import object
 import numpy as np
 
 from .errors import *
diff --git a/atrcopy/dos33.py b/atrcopy/dos33.py
index 9c50f65..0dbc961 100644
--- a/atrcopy/dos33.py
+++ b/atrcopy/dos33.py
@@ -1,9 +1,3 @@
-from __future__ import print_function
-from __future__ import absolute_import
-from __future__ import division
-from builtins import str
-from builtins import range
-from builtins import object
 import numpy as np
 
 from .errors import *
diff --git a/atrcopy/kboot.py b/atrcopy/kboot.py
index b7a876f..56e7a0e 100644
--- a/atrcopy/kboot.py
+++ b/atrcopy/kboot.py
@@ -1,5 +1,3 @@
-from __future__ import absolute_import
-from __future__ import division
 import numpy as np
 
 from .errors import *
diff --git a/atrcopy/mame.py b/atrcopy/mame.py
index 7d813f2..76f8ef9 100644
--- a/atrcopy/mame.py
+++ b/atrcopy/mame.py
@@ -1,4 +1,3 @@
-from __future__ import absolute_import
 import zipfile
 
 import numpy as np
diff --git a/atrcopy/parsers.py b/atrcopy/parsers.py
index 36a7cb4..7620714 100644
--- a/atrcopy/parsers.py
+++ b/atrcopy/parsers.py
@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from builtins import str
-from builtins import object
 import numpy as np
 
 from .segments import SegmentData, DefaultSegment
diff --git a/atrcopy/segments.py b/atrcopy/segments.py
index 26bb507..3b524b5 100644
--- a/atrcopy/segments.py
+++ b/atrcopy/segments.py
@@ -1,11 +1,3 @@
-from __future__ import print_function
-from __future__ import absolute_import
-from future import standard_library
-standard_library.install_aliases()
-from builtins import zip
-from builtins import str
-from builtins import range
-from builtins import object
 import bisect
 import io
 
diff --git a/atrcopy/spartados.py b/atrcopy/spartados.py
index 2f3a23e..0f3db2d 100644
--- a/atrcopy/spartados.py
+++ b/atrcopy/spartados.py
@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from builtins import str
-from builtins import range
 import numpy as np
 
 from .errors import *
diff --git a/atrcopy/standard_delivery.py b/atrcopy/standard_delivery.py
index 3cf5a91..93bbbf6 100644
--- a/atrcopy/standard_delivery.py
+++ b/atrcopy/standard_delivery.py
@@ -1,5 +1,3 @@
-from __future__ import absolute_import
-from __future__ import division
 import numpy as np
 
 from .errors import *
diff --git a/atrcopy/utils.py b/atrcopy/utils.py
index 1c5bab1..0a1e6dc 100644
--- a/atrcopy/utils.py
+++ b/atrcopy/utils.py
@@ -1,8 +1,3 @@
-from __future__ import absolute_import
-from builtins import zip
-from builtins import str
-from builtins import range
-from builtins import object
 import types
 import uuid as stdlib_uuid
 
diff --git a/setup.py b/setup.py
index bf810c4..ba8b28a 100644
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,6 @@ setup(name="atrcopy",
             "Topic :: Utilities",
         ],
         install_requires = [
-            "future",
             'numpy',
         ],
         tests_require = [