diff --git a/fsspec/caching.py b/fsspec/caching.py
index 881e269c8..80b566096 100644
--- a/fsspec/caching.py
+++ b/fsspec/caching.py
@@ -7,7 +7,7 @@
 import os
 import threading
 import warnings
-from itertools import groupby, filterfalse
+from itertools import groupby
 from operator import itemgetter
 from concurrent.futures import Future, ThreadPoolExecutor
 from typing import (