diff --git a/setuptools/command/test.py b/setuptools/command/test.py
index 5e1ef57ec9..4a389e4d07 100644
--- a/setuptools/command/test.py
+++ b/setuptools/command/test.py
@@ -13,7 +13,6 @@
     resource_exists,
     normalize_path,
     working_set,
-    _namespace_packages,
     evaluate_marker,
     add_activation_listener,
     require,
diff --git a/setuptools/tests/test_develop.py b/setuptools/tests/test_develop.py
index 3c2d924c5d..70c5794c47 100644
--- a/setuptools/tests/test_develop.py
+++ b/setuptools/tests/test_develop.py
@@ -2,9 +2,7 @@
 """
 
 import os
-import site
 import sys
-import io
 import subprocess
 import platform
 import pathlib
diff --git a/setuptools/tests/test_test.py b/setuptools/tests/test_test.py
index 4e7193c88f..6bce8e2063 100644
--- a/setuptools/tests/test_test.py
+++ b/setuptools/tests/test_test.py
@@ -1,4 +1,3 @@
-import mock
 from distutils import log
 import os