diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index 5b819dd..0000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,3 +0,0 @@
-include README.rst
-graft tests
-global-exclude __pycache__ *.pyc
diff --git a/flit.ini b/flit.ini
new file mode 100644
index 0000000..27928ca
--- /dev/null
+++ b/flit.ini
@@ -0,0 +1,17 @@
+[metadata]
+module = ptyprocess
+author = Thomas Kluyver
+author-email = thomas@kluyver.me.uk
+home-page = https://github.com/pexpect/ptyprocess
+description-file = README.rst
+classifiers = Development Status :: 5 - Production/Stable
+    Environment :: Console
+    Intended Audience :: Developers
+    Intended Audience :: System Administrators
+    License :: OSI Approved :: ISC License (ISCL)
+    Operating System :: POSIX
+    Operating System :: MacOS :: MacOS X
+    Programming Language :: Python
+    Programming Language :: Python :: 2.7
+    Programming Language :: Python :: 3
+    Topic :: Terminals
diff --git a/ptyprocess/__init__.py b/ptyprocess/__init__.py
index 182fbfd..868bdc3 100644
--- a/ptyprocess/__init__.py
+++ b/ptyprocess/__init__.py
@@ -1,3 +1,4 @@
+"""Run a subprocess in a pseudo terminal"""
 from .ptyprocess import PtyProcess, PtyProcessUnicode, PtyProcessError
 
 __version__ = '0.5'
diff --git a/setup.py b/setup.py
deleted file mode 100644
index a7d93a5..0000000
--- a/setup.py
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/usr/bin/env python
-
-import sys
-from distutils.core import setup
-
-with open('README.rst') as f:
-    readme = f.read()
-
-assert sys.version_info >= (2, 7), (
-    "Only python 2.7 and later is supported by ptyprocess.")
-
-setup(name='ptyprocess',
-      version='0.5',
-      description="Run a subprocess in a pseudo terminal",
-      long_description=readme,
-      author='Thomas Kluyver',
-      author_email="thomas@kluyver.me.uk",
-      url="https://github.com/pexpect/ptyprocess",
-      packages=['ptyprocess'],
-      classifiers = [
-        'Development Status :: 5 - Production/Stable',
-        'Environment :: Console',
-        'Intended Audience :: Developers',
-        'Intended Audience :: System Administrators',
-        'License :: OSI Approved :: ISC License (ISCL)',
-        'Operating System :: POSIX',
-        'Operating System :: MacOS :: MacOS X',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3',
-        'Topic :: Terminals',
-    ],
-)