diff --git a/PixArt/models/PixArt_blocks.py b/PixArt/models/PixArt_blocks.py
index bae7d87..05a9a87 100644
--- a/PixArt/models/PixArt_blocks.py
+++ b/PixArt/models/PixArt_blocks.py
@@ -13,7 +13,6 @@ import torch
 import torch.nn as nn
 from timm.models.vision_transformer import Mlp, Attention as Attention_
 from einops import rearrange, repeat
-import xformers.ops
 
 from .utils import add_decomposed_rel_pos
 from comfy import model_management