diff --git a/python/makewheel.py b/python/makewheel.py
index 64ecbe2464..a5b683aa63 100644
--- a/python/makewheel.py
+++ b/python/makewheel.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-import sys,os,shutil
+import sys,os
 
 # find python script to activate the virtual environment and source it
 if sys.platform == 'win32':
diff --git a/python/setup.py b/python/setup.py
index 0097e3d596..7794119930 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -3,7 +3,7 @@
 from setuptools import setup
 from setuptools.dist import Distribution
 from sys import version_info
-import os,time,shutil
+import os,time
 LAMMPS_PYTHON_DIR = os.path.dirname(os.path.realpath(__file__))
 LAMMPS_DIR = os.path.dirname(LAMMPS_PYTHON_DIR)
 LAMMPS_SOURCE_DIR = os.path.join(LAMMPS_DIR, 'src')
@@ -24,7 +24,7 @@ def get_lammps_version():
 
 class BinaryDistribution(Distribution):
     """Wrapper to enforce creating a binary package"""
-    def has_ext_modules(foo):
+    def has_ext_modules(self):
         return True
 
 if version_info.major >= 3: