diff --git a/setup.py b/setup.py
index 91859829..7d808af5 100644
--- a/setup.py
+++ b/setup.py
@@ -1,9 +1,7 @@
 """Install script for `starry`."""
 from setuptools import setup, Extension, find_packages
 from setuptools.command.build_ext import build_ext
-import warnings
 import setuptools
-import subprocess
 import sys
 import os
 import glob