diff --git a/build.py b/build.py
deleted file mode 100644
index ac3c489e3..000000000
--- a/build.py
+++ /dev/null
@@ -1,71 +0,0 @@
-#!/usr/bin/env python
-from __future__ import print_function
-import os
-import sys
-import shutil
-from subprocess import call
-
-
-def x(cmd):
-    print('$ '+cmd)
-    res = call(cmd, shell=True)
-    if res != 0:
-        sys.exit(res)
-
-
-if len(sys.argv) < 2:
-    print('usage: %s <install-mode> [<pip-date>]')
-    sys.exit(1)
-
-
-install_mode = sys.argv[1]
-
-
-if install_mode == 'prepare':
-    x('python pip-clear.py')
-
-    pip_date = len(sys.argv) > 2 and sys.argv[2]
-    if pip_date:
-        x('python pip-date.py %s pip setuptools wheel six' % pip_date)
-
-    x('pip install -r requirements.txt')
-    x('pip list')
-
-
-elif install_mode == 'pip':
-    if os.path.exists('dist'):
-        shutil.rmtree('dist')
-    x('python setup.py sdist')
-    x('python pip-clear.py')
-
-    filenames = os.listdir('dist')
-    assert len(filenames) == 1
-    x('pip list')
-    x('pip install dist/%s' % filenames[0])
-
-
-elif install_mode == 'setup-install':
-    x('python setup.py install')
-
-
-elif install_mode == 'setup-develop':
-    x('pip install -e .')
-
-
-elif install_mode == 'test':
-    x('pip install pytest')
-    x('pip list')
-
-    if os.path.exists('tmp'):
-        shutil.rmtree('tmp')
-    os.mkdir('tmp')
-
-    try:
-        old = os.getcwd()
-        os.chdir('tmp')
-
-        x('python -m spacy.en.download')
-        x('python -m pytest --tb="native" ../spacy/ -x --models --vectors --slow')
-
-    finally:
-        os.chdir(old)
diff --git a/buildbot.json b/buildbot.json
new file mode 100644
index 000000000..93c3a9514
--- /dev/null
+++ b/buildbot.json
@@ -0,0 +1,19 @@
+{
+    "build": {
+        "sdist": [
+            "python pip-clear.py",
+            "pip install -r requirements.txt",
+            "python setup.py sdist"
+        ],
+        "install": [
+            "python pip-clear.py",
+            "pip install source.tar.gz",
+            "python -m spacy.en.download --force"
+        ]
+    },
+    "test": {
+        "after": ["install"],
+        "package": "spacy",
+        "args": "--tb='native' -x --models --vectors --slow"
+    }
+}
diff --git a/pip-clear.py b/pip-clear.py
deleted file mode 100755
index 573a20dcd..000000000
--- a/pip-clear.py
+++ /dev/null
@@ -1,28 +0,0 @@
-#!/usr/bin/env python
-from __future__ import print_function
-
-from pip.commands.uninstall import UninstallCommand
-from pip import get_installed_distributions
-
-
-packages = []
-for package in get_installed_distributions():
-    if package.location.endswith('dist-packages'):
-        continue
-    elif package.project_name in ('pip', 'setuptools'):
-        continue
-    packages.append(package.project_name)
-
-
-if packages:
-    pip = UninstallCommand()
-    options, args = pip.parse_args(packages)
-    options.yes = True
-
-    try:
-        pip.run(options, args)
-    except OSError as e:
-        if e.errno != 13:
-            raise e
-        print("You lack permissions to uninstall this package. Perhaps run with sudo? Exiting.")
-        exit(13)
diff --git a/pip-date.py b/pip-date.py
deleted file mode 100644
index 2a775255a..000000000
--- a/pip-date.py
+++ /dev/null
@@ -1,96 +0,0 @@
-#!/usr/bin/env python
-from __future__ import print_function
-import json
-import re
-import sys
-from bisect import bisect
-from datetime import datetime
-from datetime import timedelta
-import ssl
-
-try:
-    from urllib.request import Request, build_opener, HTTPSHandler, URLError
-except ImportError:
-    from urllib2 import Request, build_opener, HTTPSHandler, URLError
-
-from pip.commands.uninstall import UninstallCommand
-from pip.commands.install import InstallCommand
-from pip import get_installed_distributions
-
-
-def get_releases(package_name):
-    url = 'https://pypi.python.org/pypi/%s/json' % package_name
-
-    ssl_context = HTTPSHandler(
-        context=ssl.SSLContext(ssl.PROTOCOL_TLSv1))
-    opener = build_opener(ssl_context)
-
-    retries = 10
-    while retries > 0:
-        try:
-            r = opener.open(Request(url))
-            break
-        except URLError:
-            retries -= 1
-
-    return json.loads(r.read().decode('utf8'))['releases']
-
-
-def parse_iso8601(s):
-    return datetime(*map(int, re.split('[^\d]', s)))
-
-
-def select_version(select_date, package_name):
-    versions = []
-    for version, dists in get_releases(package_name).items():
-        date = [parse_iso8601(d['upload_time']) for d in dists]
-        if date:
-            versions.append((sorted(date)[0], version))
-
-    versions = sorted(versions)
-    min_date = versions[0][0]
-    if select_date < min_date:
-        raise Exception('invalid select_date: %s, must be '
-                        '%s or newer.' % (select_date, min_date))
-
-    return versions[bisect([x[0] for x in versions], select_date) - 1][1]
-
-
-installed_packages = [
-    package.project_name
-    for package in
-    get_installed_distributions()
-    if (not package.location.endswith('dist-packages') and
-        package.project_name not in ('pip', 'setuptools'))
-]
-
-if installed_packages:
-    pip = UninstallCommand()
-    options, args = pip.parse_args(installed_packages)
-    options.yes = True
-
-    try:
-        pip.run(options, args)
-    except OSError as e:
-        if e.errno != 13:
-            raise e
-        print("You lack permissions to uninstall this package. Perhaps run with sudo? Exiting.")
-        exit(13)
-
-
-date = parse_iso8601(sys.argv[1])
-packages = {p: select_version(date, p) for p in sys.argv[2:]}
-args = ['=='.join(a) for a in packages.items()]
-
-cmd = InstallCommand()
-options, args = cmd.parse_args(args)
-options.ignore_installed = True
-options.force_reinstall = True
-
-try:
-    print(cmd.run(options, args))
-except OSError as e:
-    if e.errno != 13:
-        raise e
-    print("You lack permissions to uninstall this package. Perhaps run with sudo? Exiting.")
-    exit(13)
diff --git a/venv.ps1 b/venv.ps1
deleted file mode 100644
index 4fd5c157c..000000000
--- a/venv.ps1
+++ /dev/null
@@ -1,32 +0,0 @@
-param (
-    [string]$python = $(throw "-python is required."),
-    [string]$install_mode = $(throw "-install_mode is required."),
-    [string]$pip_date,
-    [string]$compiler
-)
-
-$ErrorActionPreference = "Stop"
-
-if(!(Test-Path -Path ".build"))
-{
-    if($compiler -eq "mingw32")
-    {
-        virtualenv .build --system-site-packages --python $python
-    }
-    else
-    {
-        virtualenv .build --python $python
-    }
-
-    if($compiler)
-    {
-        "[build]`r`ncompiler=$compiler" | Out-File -Encoding ascii .\.build\Lib\distutils\distutils.cfg
-    }
-}
-
-.build\Scripts\activate.ps1
-
-python build.py prepare $pip_date
-python build.py $install_mode
-python build.py test
-exit $LASTEXITCODE
diff --git a/venv.sh b/venv.sh
deleted file mode 100755
index 8852a5ba0..000000000
--- a/venv.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/bash
-set -e
-
-if [ ! -d ".build" ]; then
-    virtualenv .build --python $1
-fi
-
-if [ -d ".build/bin" ]; then
-    source .build/bin/activate
-elif [ -d ".build/Scripts" ]; then
-    source .build/Scripts/activate
-fi
-
-python build.py prepare $3
-python build.py $2
-python build.py test