diff --git a/Lib/lib2to3/pgen2/driver.py b/Lib/lib2to3/pgen2/driver.py
index cbc58e759d5..6471635a319 100644
--- a/Lib/lib2to3/pgen2/driver.py
+++ b/Lib/lib2to3/pgen2/driver.py
@@ -16,7 +16,6 @@ __author__ = "Guido van Rossum <guido@python.org>"
 __all__ = ["Driver", "load_grammar"]
 
 # Python imports
-import codecs
 import io
 import os
 import logging
diff --git a/Lib/lib2to3/pgen2/grammar.py b/Lib/lib2to3/pgen2/grammar.py
index c00cb2248d5..a1da546eee2 100644
--- a/Lib/lib2to3/pgen2/grammar.py
+++ b/Lib/lib2to3/pgen2/grammar.py
@@ -13,7 +13,6 @@ fallback token code OP, but the parser needs the actual token code.
 """
 
 # Python imports
-import collections
 import pickle
 
 # Local imports
diff --git a/Lib/multiprocessing/popen_fork.py b/Lib/multiprocessing/popen_fork.py
index 008b97b3662..685e8daf77c 100644
--- a/Lib/multiprocessing/popen_fork.py
+++ b/Lib/multiprocessing/popen_fork.py
@@ -1,5 +1,4 @@
 import os
-import sys
 import signal
 
 from . import util
diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py
index 200e0273c33..e2ffaaafd45 100644
--- a/Lib/test/test_collections.py
+++ b/Lib/test/test_collections.py
@@ -3,11 +3,9 @@
 import collections
 import copy
 import doctest
-import keyword
 import operator
 import pickle
 from random import choice, randrange
-import re
 import string
 import sys
 from test import support
diff --git a/Lib/test/test_queue.py b/Lib/test/test_queue.py
index 1a8d5f8856c..c8528f97741 100644
--- a/Lib/test/test_queue.py
+++ b/Lib/test/test_queue.py
@@ -1,10 +1,8 @@
 # Some simple queue module tests, plus some failure conditions
 # to ensure the Queue locks remain stable.
-import collections
 import itertools
 import queue
 import random
-import sys
 import threading
 import time
 import unittest
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index b90366d8144..92aefd8d7af 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -10,7 +10,6 @@ import codecs
 import gc
 import sysconfig
 import locale
-import threading
 
 # count the number of test runs, used to create unique
 # strings to intern in test_intern()
diff --git a/Lib/test/test_thread.py b/Lib/test/test_thread.py
index 64ffe460529..f4eb830cf6d 100644
--- a/Lib/test/test_thread.py
+++ b/Lib/test/test_thread.py
@@ -4,7 +4,6 @@ import random
 from test import support
 import _thread as thread
 import time
-import sys
 import weakref
 
 from test import lock_tests