diff --git a/invokeai/app/services/item_storage/item_storage_base.py b/invokeai/app/services/item_storage/item_storage_base.py
index c93edf5188..d736679159 100644
--- a/invokeai/app/services/item_storage/item_storage_base.py
+++ b/invokeai/app/services/item_storage/item_storage_base.py
@@ -1,9 +1,7 @@
 from abc import ABC, abstractmethod
 from typing import Callable, Generic, TypeVar
 
-from pydantic import BaseModel
-
-T = TypeVar("T", bound=BaseModel)
+T = TypeVar("T")
 
 
 class ItemStorageABC(ABC, Generic[T]):