diff --git a/setup.py b/setup.py
index 1b65bb6f31e9b9f3de1dba6761455dc8eb662789..e12fac28af282b16625e6ad92c6bb7ddc1968697 100644
--- a/setup.py
+++ b/setup.py
@@ -1,13 +1,10 @@
-import importlib
-import sys
 from distutils.command.build import build
 from distutils.extension import Extension
-from subprocess import check_call, check_output
+from subprocess import check_output
 
 import numpy
 from Cython.Distutils import build_ext
 from setuptools import setup
-from setuptools.command.install import install
 
 extensions = [
     Extension(