diff --git a/h5py/h5py_warnings.py b/h5py/h5py_warnings.py
index 491e55aae..c30c56f7f 100644
--- a/h5py/h5py_warnings.py
+++ b/h5py/h5py_warnings.py
@@ -11,7 +11,6 @@
     This module contains the warning classes for h5py. These classes are part of
     the public API of h5py, and should be imported from this module.
 """
-from importlib import import_module
 
 
 class H5pyWarning(UserWarning):
diff --git a/other/iterate_deadlock.py b/other/iterate_deadlock.py
index 04437cb2b..0833cadd5 100644
--- a/other/iterate_deadlock.py
+++ b/other/iterate_deadlock.py
@@ -12,7 +12,6 @@
 """
 
 from threading import Thread
-import sys
 
 import h5py
 
diff --git a/setup_build.py b/setup_build.py
index 78c6677d2..6b66789cf 100644
--- a/setup_build.py
+++ b/setup_build.py
@@ -14,7 +14,6 @@
 import os
 import os.path as op
 from pathlib import Path
-import subprocess
 
 import api_gen
 from setup_configure import BuildConfig
diff --git a/setup_configure.py b/setup_configure.py
index 61cbe78dd..16c355b0b 100644
--- a/setup_configure.py
+++ b/setup_configure.py
@@ -16,7 +16,6 @@
     the currently installed HDF5 version.
 """
 
-from distutils.cmd import Command
 import os
 import os.path as op
 import re
@@ -194,7 +193,6 @@ def _load_hdf5_lib(self, libdirs):
 
         libdirs: the library paths to search for the library
         """
-        import re
         import ctypes
 
         # extra keyword args to pass to LoadLibrary