Index: setup.py
--- setup.py.orig
+++ setup.py
@@ -87,21 +87,6 @@ install_requires = setuptools_args['install_requires']
     'tornado>=4.0',
 ]
 
-if any(a.startswith(('bdist', 'build', 'install')) for a in sys.argv):
-    from ipykernel.kernelspec import write_kernel_spec, make_ipkernel_cmd, KERNEL_NAME
-
-    argv = make_ipkernel_cmd(executable='python')
-    dest = os.path.join(here, 'data_kernelspec')
-    if os.path.exists(dest):
-        shutil.rmtree(dest)
-    write_kernel_spec(dest, overrides={'argv': argv})
-
-    setup_args['data_files'] = [
-        (pjoin('share', 'jupyter', 'kernels', KERNEL_NAME),
-         glob(pjoin('data_kernelspec', '*'))),
-    ]
-
-
 setuptools_args['python_requires'] = '>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*'
 
 extras_require = setuptools_args['extras_require'] = {