diff --git a/comfy_api/internal/__init__.py b/comfy_api/internal/__init__.py
index afe4a88d7..f2f1efd58 100644
--- a/comfy_api/internal/__init__.py
+++ b/comfy_api/internal/__init__.py
@@ -1,4 +1,3 @@
-from abc import ABC, abstractmethod
 from dataclasses import asdict
 from typing import Callable, Optional