diff --git a/setup.py b/setup.py
index b6f26b30f046b0575b27b31531635f307b6d7626..6ce373dde5e08286b3cdee8604a6479a99fd94e2 100644
--- a/setup.py
+++ b/setup.py
@@ -1,14 +1,5 @@
 #!/usr/bin/env python
 # -*- coding: latin-1 -*-
-from setuptools.command.build_ext import build_ext as _build_ext
-
-class build_ext(_build_ext):
-    def finalize_options(self):
-        _build_ext.finalize_options(self)
-        # Prevent numpy from thinking it is still in its setup process:
-        __builtins__.__NUMPY_SETUP__ = False
-        import numpy
-        self.include_dirs.append(numpy.get_include())
 
 __copyright__ = """
 Copyright (C) 2009-14 Andreas Kloeckner
@@ -231,7 +222,7 @@ def main():
                 ],
 
             install_requires=[
-		"numpy",
+                "numpy",
                 "pytools>=2014.2",
                 "pytest>=2",
                 "decorator>=3.2.0",