diff --git a/oslo_cache/_memcache_pool.py b/oslo_cache/_memcache_pool.py
index 61501d16..039b1360 100644
--- a/oslo_cache/_memcache_pool.py
+++ b/oslo_cache/_memcache_pool.py
@@ -15,9 +15,6 @@
 
 """Thread-safe connection pool for python-memcached."""
 
-# NOTE(yorik-sar): this file is copied between keystone and keystonemiddleware
-# and should be kept in sync until we can use external library for this.
-
 import collections
 import contextlib
 import itertools