diff --git a/comfy/model_base.py b/comfy/model_base.py
index 9cde2e051..3cedd4f31 100644
--- a/comfy/model_base.py
+++ b/comfy/model_base.py
@@ -57,7 +57,6 @@ from . import utils
 import comfy.latent_formats
 import comfy.model_sampling
 import math
-import json
 from typing import TYPE_CHECKING
 if TYPE_CHECKING:
     from comfy.model_patcher import ModelPatcher