diff --git a/src/caosdb/cached.py b/src/caosdb/cached.py
index fd9e32557ab7f5001520895b8a87758e9681fdab..b2f7eef86edb88437636c9ec9acf1b6eb7ed83c1 100644
--- a/src/caosdb/cached.py
+++ b/src/caosdb/cached.py
@@ -23,7 +23,6 @@
 This module provides some cached versions of functions that retrieve Entities from a remote server.
 """
 
-import functools
 from typing import Union
 from functools import lru_cache
 from .utils import get_entity
@@ -126,7 +125,7 @@ def cache_initialize(maxsize=DEFAULT_SIZE) -> None:
     The old cache is removed with all its content.
     """
     global _cached_access
-    _cached_access = functools.lru_cache(maxsize=maxsize)(_cached_access.__wrapped__)
+    _cached_access = lru_cache(maxsize=maxsize)(_cached_access.__wrapped__)
 
 
 def fill_cache(items: dict, kind: AccessType = AccessType.EID, unique=True) -> None: