diff --git a/kazu/ontology_preprocessing/downloads.py b/kazu/ontology_preprocessing/downloads.py
index 88991d47..12bf578b 100644
--- a/kazu/ontology_preprocessing/downloads.py
+++ b/kazu/ontology_preprocessing/downloads.py
@@ -224,7 +224,6 @@ def __init__(self, open_targets_version: str, open_targets_dataset_name: str):
         self.open_targets_version = open_targets_version
 
     @staticmethod
-    @functools.cache
     def _cached_wget(full_url: str, cwd: Path) -> None:
         args = _get_proxy_args_for_wget()
         args.extend(