diff --git a/comfy/ldm/modules/diffusionmodules/upscaling.py b/comfy/ldm/modules/diffusionmodules/upscaling.py
index f5ac7c2f9..972cc76f0 100644
--- a/comfy/ldm/modules/diffusionmodules/upscaling.py
+++ b/comfy/ldm/modules/diffusionmodules/upscaling.py
@@ -4,7 +4,6 @@ import numpy as np
 from functools import partial
 
 from .util import extract_into_tensor, make_beta_schedule
-from comfy.ldm.util import default
 
 
 class AbstractLowScaleModel(nn.Module):
@@ -80,6 +79,3 @@ class ImageConcatWithNoiseAugmentation(AbstractLowScaleModel):
             assert isinstance(noise_level, torch.Tensor)
         z = self.q_sample(x, noise_level, seed=seed)
         return z, noise_level
-
-
-