diff --git a/Lib/test/test_aifc.py b/Lib/test/test_aifc.py
index ff52f5b6feb..c74758413d6 100644
--- a/Lib/test/test_aifc.py
+++ b/Lib/test/test_aifc.py
@@ -7,8 +7,6 @@ import io
 import sys
 import struct
 import aifc
-import warnings
-
 
 class AifcTest(audiotests.AudioWriteTests,
                audiotests.AudioTestsWithSourceFile):
diff --git a/Lib/test/test_asyncio/test_selector_events.py b/Lib/test/test_asyncio/test_selector_events.py
index 236ed38b557..b99e8e69607 100644
--- a/Lib/test/test_asyncio/test_selector_events.py
+++ b/Lib/test/test_asyncio/test_selector_events.py
@@ -1,6 +1,5 @@
 """Tests for selector_events.py"""
 
-import errno
 import selectors
 import socket
 import unittest
diff --git a/Lib/test/test_coroutines.py b/Lib/test/test_coroutines.py
index 091b6626dcc..8443e658a62 100644
--- a/Lib/test/test_coroutines.py
+++ b/Lib/test/test_coroutines.py
@@ -2,7 +2,6 @@ import contextlib
 import copy
 import inspect
 import pickle
-import re
 import sys
 import types
 import unittest
diff --git a/Lib/test/test_frozen.py b/Lib/test/test_frozen.py
index a7c748422b1..142f17d518e 100644
--- a/Lib/test/test_frozen.py
+++ b/Lib/test/test_frozen.py
@@ -13,7 +13,6 @@
 import sys
 import unittest
 from test.support import captured_stdout
-from importlib import util
 
 
 class TestFrozen(unittest.TestCase):
diff --git a/Lib/test/test_future.py b/Lib/test/test_future.py
index 4f2f9d272e7..c60a016f01f 100644
--- a/Lib/test/test_future.py
+++ b/Lib/test/test_future.py
@@ -1,6 +1,5 @@
 # Test various flavors of legal and illegal future statements
 
-from functools import partial
 import unittest
 from test import support
 from textwrap import dedent
diff --git a/Lib/test/test_gdb.py b/Lib/test/test_gdb.py
index 711fb69ebdf..4d1ce4ed96c 100644
--- a/Lib/test/test_gdb.py
+++ b/Lib/test/test_gdb.py
@@ -3,7 +3,6 @@
 # The code for testing gdb was adapted from similar work in Unladen Swallow's
 # Lib/test/test_jit_gdb.py
 
-import locale
 import os
 import platform
 import re
diff --git a/Lib/test/test_importlib/test_locks.py b/Lib/test/test_importlib/test_locks.py
index d86172ab583..21794d911ef 100644
--- a/Lib/test/test_importlib/test_locks.py
+++ b/Lib/test/test_importlib/test_locks.py
@@ -4,7 +4,6 @@ init = test_util.import_importlib('importlib')
 
 import sys
 import threading
-import unittest
 import weakref
 
 from test import support
diff --git a/Lib/test/test_minidom.py b/Lib/test/test_minidom.py
index ad5be2f0f0e..e626e14a562 100644
--- a/Lib/test/test_minidom.py
+++ b/Lib/test/test_minidom.py
@@ -3,7 +3,6 @@
 import copy
 import pickle
 import io
-import contextlib
 from test.support import findfile
 import unittest
 
diff --git a/Lib/test/test_netrc.py b/Lib/test/test_netrc.py
index f59e5371aca..ae53988c45a 100644
--- a/Lib/test/test_netrc.py
+++ b/Lib/test/test_netrc.py
@@ -1,5 +1,4 @@
 import netrc, os, unittest, sys, tempfile, textwrap
-from unittest import mock
 from test import support
 
 
diff --git a/Lib/test/test_platform.py b/Lib/test/test_platform.py
index c26e193e653..c92da904fc5 100644
--- a/Lib/test/test_platform.py
+++ b/Lib/test/test_platform.py
@@ -1,4 +1,3 @@
-from unittest import mock
 import os
 import platform
 import subprocess
diff --git a/Lib/test/test_resource.py b/Lib/test/test_resource.py
index b07eb73b2ae..62c7963fe69 100644
--- a/Lib/test/test_resource.py
+++ b/Lib/test/test_resource.py
@@ -1,6 +1,5 @@
 import contextlib
 import sys
-import os
 import unittest
 from test import support
 import time
diff --git a/Lib/test/test_sax.py b/Lib/test/test_sax.py
index 894d86ac71f..9addc06f20d 100644
--- a/Lib/test/test_sax.py
+++ b/Lib/test/test_sax.py
@@ -17,7 +17,6 @@ from xml.sax.handler import feature_namespaces, feature_external_ges
 from xml.sax.xmlreader import InputSource, AttributesImpl, AttributesNSImpl
 from io import BytesIO, StringIO
 import codecs
-import gc
 import os.path
 import shutil
 from urllib.error import URLError
diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
index 6fd2002e5ee..74a91f6c239 100644
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -17,7 +17,6 @@ import traceback
 import asyncore
 import weakref
 import platform
-import functools
 import sysconfig
 try:
     import ctypes
diff --git a/Lib/test/test_time.py b/Lib/test/test_time.py
index 62abd891aaf..16b48a92f32 100644
--- a/Lib/test/test_time.py
+++ b/Lib/test/test_time.py
@@ -9,7 +9,6 @@ import sysconfig
 import time
 import threading
 import unittest
-import warnings
 try:
     import _testcapi
 except ImportError:
diff --git a/Lib/test/test_traceback.py b/Lib/test/test_traceback.py
index a8240b41c08..96d85e2cb8a 100644
--- a/Lib/test/test_traceback.py
+++ b/Lib/test/test_traceback.py
@@ -110,7 +110,7 @@ class TracebackCases(unittest.TestCase):
         # Test that tracebacks are correctly printed for encoded source files:
         # - correct line number (Issue2384)
         # - respect file encoding (Issue3975)
-        import tempfile, sys, subprocess, os
+        import sys, subprocess
 
         # The spawned subprocess has its stdout redirected to a PIPE, and its
         # encoding may be different from the current interpreter, on Windows
diff --git a/Lib/test/test_urlparse.py b/Lib/test/test_urlparse.py
index 6738863f8de..9c71be53afd 100644
--- a/Lib/test/test_urlparse.py
+++ b/Lib/test/test_urlparse.py
@@ -1,6 +1,5 @@
 import unittest
 import urllib.parse
-import warnings
 
 RFC1808_BASE = "http://a/b/c/d;p?q#f"
 RFC2396_BASE = "http://a/b/c/d;p?q"
diff --git a/Lib/test/test_utf8_mode.py b/Lib/test/test_utf8_mode.py
index 7280ce77ef8..220ff34a118 100644
--- a/Lib/test/test_utf8_mode.py
+++ b/Lib/test/test_utf8_mode.py
@@ -3,7 +3,6 @@ Test the implementation of the PEP 540: the UTF-8 Mode.
 """
 
 import locale
-import os
 import sys
 import textwrap
 import unittest