diff --git a/setup.py b/setup.py
index 1cd9e36c15..7709a46e67 100755
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,6 @@
 #!/usr/bin/env python
 
 import os
-import sys
 import textwrap
 
 import setuptools
@@ -10,33 +9,6 @@
 here = os.path.dirname(__file__)
 
 
-package_data = {
-    "": ["LICEN[CS]E*", "COPYING*", "NOTICE*", "AUTHORS*"],
-    "setuptools": ['script (dev).tmpl', 'script.tmpl', 'site-patch.py'],
-}
-
-force_windows_specific_files = os.environ.get(
-    "SETUPTOOLS_INSTALL_WINDOWS_SPECIFIC_FILES", "1"
-).lower() not in ("", "0", "false", "no")
-
-include_windows_files = sys.platform == 'win32' or force_windows_specific_files
-
-if include_windows_files:
-    package_data.setdefault('setuptools', []).extend(['*.exe'])
-    package_data.setdefault('setuptools.command', []).extend(['*.xml'])
-
-
-def pypi_link(pkg_filename):
-    """
-    Given the filename, including md5 fragment, construct the
-    dependency link for PyPI.
-    """
-    root = 'https://files.pythonhosted.org/packages/source'
-    name, sep, rest = pkg_filename.partition('-')
-    parts = root, name[0], name, pkg_filename
-    return '/'.join(parts)
-
-
 class install_with_pth(install):
     """
     Custom install command to install a .pth file for distutils patching.
@@ -84,7 +56,6 @@ def _restore_install_lib(self):
 
 setup_params = dict(
     cmdclass={'install': install_with_pth},
-    package_data=package_data,
 )
 
 if __name__ == '__main__':