diff --git a/dev_setup.py b/dev_setup.py
deleted file mode 100644
index 8efaba40b..000000000
--- a/dev_setup.py
+++ /dev/null
@@ -1,137 +0,0 @@
-#!/usr/bin/env python
-
-import subprocess
-
-# This is what we're down to...
-try:
-    import Cython
-except ImportError:
-    subprocess.call(['pip install cython'], shell=True)
-
-try:
-    import murmurhash
-except ImportError:
-    subprocess.call(['pip install murmurhash'], shell=True)
-
-try:
-    import cymem
-except ImportError:
-    subprocess.call(['pip install cymem'], shell=True)
-
-try:
-    import preshed
-except ImportError:
-    subprocess.call(['pip install preshed'], shell=True)
-
-try:
-    import thinc
-except ImportError:
-    subprocess.call(['pip install thinc'], shell=True)
-
-try:
-    import numpy
-except ImportError:
-    subprocess.call(['pip install numpy'], shell=True)
-
-
-import Cython.Distutils
-from Cython.Distutils import Extension
-import distutils.core
-
-import sys
-import os
-import os.path
-
-from os import path
-from glob import glob
-
-import numpy
-
-
-def clean(ext):
-    for pyx in ext.sources:
-        if pyx.endswith('.pyx'):
-            c = pyx[:-4] + '.c'
-            cpp = pyx[:-4] + '.cpp'
-            so = pyx[:-4] + '.so'
-            html = pyx[:-4] + '.html'
-            if os.path.exists(so):
-                os.unlink(so)
-            if os.path.exists(c):
-                os.unlink(c)
-            elif os.path.exists(cpp):
-                os.unlink(cpp)
-            if os.path.exists(html):
-                os.unlink(html)
-
-HERE = os.path.dirname(__file__)
-virtual_env = os.environ.get('VIRTUAL_ENV', '')
-compile_args = []
-link_args = []
-libs = []
-
-includes = ['.', numpy.get_include()]
-cython_includes = ['.']
-
-
-if 'VIRTUAL_ENV' in os.environ:
-    includes += glob(path.join(os.environ['VIRTUAL_ENV'], 'include', 'site', '*'))
-else:
-    # If you're not using virtualenv, set your include dir here.
-    pass
-
-ext_args = {'language': "c++", "include_dirs": includes}
-
-exts = [
-    Extension("spacy.typedefs", ["spacy/typedefs.pyx"], **ext_args),
-    Extension("spacy.strings", ["spacy/strings.pyx"], **ext_args),
-    Extension("spacy.lexeme", ["spacy/lexeme.pyx"], **ext_args),
-    Extension("spacy.vocab", ["spacy/vocab.pyx"], **ext_args),
-    Extension("spacy.tokens", ["spacy/tokens.pyx"], **ext_args),
-    Extension("spacy.morphology", ["spacy/morphology.pyx"], **ext_args),
-
-    Extension("spacy._ml", ["spacy/_ml.pyx"], **ext_args),
-
-    Extension("spacy.tokenizer", ["spacy/tokenizer.pyx"], **ext_args),
-    Extension("spacy.en.attrs", ["spacy/en/attrs.pyx"], **ext_args),
-    Extension("spacy.en.pos", ["spacy/en/pos.pyx"], **ext_args),
-    Extension("spacy.syntax.parser", ["spacy/syntax/parser.pyx"], **ext_args),
-    Extension("spacy.syntax._state", ["spacy/syntax/_state.pyx"], **ext_args),
-    Extension("spacy.syntax.arc_eager", ["spacy/syntax/arc_eager.pyx"], **ext_args),
-    Extension("spacy.syntax._parse_features", ["spacy/syntax/_parse_features.pyx"],
-              **ext_args)
-
-    #Extension("spacy.pos_feats", ["spacy/pos_feats.pyx"], language="c++", include_dirs=includes),
-    #Extension("spacy.ner._state", ["spacy/ner/_state.pyx"], language="c++", include_dirs=includes),
-    #Extension("spacy.ner.bilou_moves", ["spacy/ner/bilou_moves.pyx"], language="c++", include_dirs=includes),
-    #Extension("spacy.ner.io_moves", ["spacy/ner/io_moves.pyx"], language="c++", include_dirs=includes),
-    #Extension("spacy.ner.greedy_parser", ["spacy/ner/greedy_parser.pyx"], language="c++", include_dirs=includes),
-    #Extension("spacy.ner.pystate", ["spacy/ner/pystate.pyx"], language="c++", include_dirs=includes),
-    #Extension("spacy.ner.context", ["spacy/ner/context.pyx"], language="c++", include_dirs=includes),
-    #Extension("spacy.ner.feats", ["spacy/ner/feats.pyx"], language="c++", include_dirs=includes),
-    #Extension("spacy.ner.annot", ["spacy/ner/annot.pyx"], language="c++", include_dirs=includes),
-]
-
-
-if sys.argv[1] == 'clean':
-    print >> sys.stderr, "cleaning .c, .c++ and .so files matching sources"
-    map(clean, exts)
-
-distutils.core.setup(
-    name='spacy',
-    packages=['spacy', 'spacy.en', 'spacy.syntax'],
-    description="Industrial-strength NLP",
-    author='Matthew Honnibal',
-    author_email='honnibal@gmail.com',
-    version='0.1',
-    url="http://honnibal.github.io/spaCy/",
-    package_data={"spacy": ["*.pxd"], "spacy.en": ["*.pxd", "data/pos/*",
-                            "data/wordnet/*", "data/tokenizer/*",
-                            "data/vocab/*"],
-                  "spacy.syntax": ["*.pxd"]},
-    cmdclass={'build_ext': Cython.Distutils.build_ext},
-    ext_modules=exts,
-    license="Dual: Commercial or AGPL",
-    requires=['cython', 'murmurhash', 'cymem', 'preshed', 'thinc', "unidecode",
-              "ujson"]
-)