diff --git a/pyenzyme/model.py b/pyenzyme/model.py
index 7b056e6..f196a80 100644
--- a/pyenzyme/model.py
+++ b/pyenzyme/model.py
@@ -5,7 +5,6 @@
 from typing import Optional, Generic, TypeVar
 from enum import Enum
 from uuid import uuid4
-from datetime import date, datetime
 
 # Filter Wrapper definition used to filter a list of objects
 # based on their attributes