diff --git a/attic/_version.py b/attic/_version.py
index adcaf93b5..f87a0f5f2 100644
--- a/attic/_version.py
+++ b/attic/_version.py
@@ -15,7 +15,7 @@ git_full = "$Format:%H$"
 
 
 import subprocess
-import sys
+
 
 def run_command(args, cwd=None, verbose=False):
     try:
diff --git a/attic/helpers.py b/attic/helpers.py
index 04f92336d..7c3de34de 100644
--- a/attic/helpers.py
+++ b/attic/helpers.py
@@ -5,7 +5,6 @@ import msgpack
 import os
 import pwd
 import re
-import stat
 import sys
 import time
 from datetime import datetime, timezone, timedelta
diff --git a/attic/repository.py b/attic/repository.py
index f3a721774..0ee85953a 100644
--- a/attic/repository.py
+++ b/attic/repository.py
@@ -3,7 +3,6 @@ from binascii import hexlify
 from itertools import islice
 import errno
 import os
-import shutil
 import struct
 import sys
 from zlib import crc32
diff --git a/attic/testsuite/helpers.py b/attic/testsuite/helpers.py
index e01b652c0..bd915179f 100644
--- a/attic/testsuite/helpers.py
+++ b/attic/testsuite/helpers.py
@@ -4,7 +4,7 @@ from datetime import datetime, timezone, timedelta
 import os
 import tempfile
 import unittest
-from attic.helpers import adjust_patterns, exclude_path, Location, format_timedelta, IncludePattern, ExcludePattern, make_path_safe, UpgradableLock, prune_within, prune_split, to_localtime, \
+from attic.helpers import adjust_patterns, exclude_path, Location, format_timedelta, ExcludePattern, make_path_safe, UpgradableLock, prune_within, prune_split, \
     StableDict, int_to_bigint, bigint_to_int
 from attic.testsuite import AtticTestCase
 import msgpack