diff --git a/pyiron_workflow/node.py b/pyiron_workflow/node.py
index b940bb2a..6a0d5cb5 100644
--- a/pyiron_workflow/node.py
+++ b/pyiron_workflow/node.py
@@ -977,6 +977,8 @@ def load(
 
     load.__doc__ = cast(str, load.__doc__) + _save_load_warnings
 
+    from typing_extensions import deprecated
+    @deprecated("use new_function")
     def delete_storage(
         self,
         backend: Literal["pickle"] | StorageInterface | None = None,