diff --git a/modules/sd_models_types.py b/modules/sd_models_types.py
index 2fce2777..afc075da 100644
--- a/modules/sd_models_types.py
+++ b/modules/sd_models_types.py
@@ -1,4 +1,3 @@
-from ldm.models.diffusion.ddpm import LatentDiffusion
 from typing import TYPE_CHECKING
 
 
@@ -6,7 +5,7 @@ if TYPE_CHECKING:
     from modules.sd_models import CheckpointInfo
 
 
-class WebuiSdModel(LatentDiffusion):
+class WebuiSdModel:
     """This class is not actually instantinated, but its fields are created and fieeld by webui"""
 
     lowvram: bool