diff --git a/setup.py b/setup.py
index 9886715..b47b79b 100755
--- a/setup.py
+++ b/setup.py
@@ -7,30 +7,16 @@ except ImportError:
     ez_setup.use_setuptools()
     from setuptools import setup, Extension, find_packages
 
-from distutils import sysconfig
-if sysconfig.get_config_var("LIBM") == "-lm":
-    libraries = ["m"]
-else:
-    libraries = []
-
 install_requires = []
 execfile('mwlib/_extversion.py')  # adds 'version' to local namespace
 
-ext_modules = []
-ext_modules.append(Extension("mwlib.ext._rl_accel",
-                             ['upstream-src/src/rl_addons/rl_accel/_rl_accel.c'],
-                             libraries=libraries))
-
-packages = ["mwlib.ext." + x for x in find_packages("upstream-src/src")] + find_packages(".")
+packages = find_packages(".")
 
 setup(
     name="mwlib.ext",
     version=str(version),
     install_requires=install_requires,
     packages=packages,
-    package_dir={"mwlib.ext.reportlab": "upstream-src/src/reportlab",
-                 "mwlib.ext.rl_addons": "upstream-src/src/rl_addons"},
-    ext_modules=ext_modules,
     namespace_packages=['mwlib'],
     include_package_data=True,
     zip_safe=False,