diff --git a/src/diffusers/models/transformers/transformer_sana_video.py b/src/diffusers/models/transformers/transformer_sana_video.py
index aaf96175c0e8..424d9ff9d360 100644
--- a/src/diffusers/models/transformers/transformer_sana_video.py
+++ b/src/diffusers/models/transformers/transformer_sana_video.py
@@ -172,7 +172,6 @@ def apply_rotary_emb(
         return hidden_states
 
 
-# Copied from diffusers.models.transformers.transformer_wan.WanRotaryPosEmbed
 class WanRotaryPosEmbed(nn.Module):
     def __init__(
         self,