diff --git a/src/diffusers/hooks/_helpers.py b/src/diffusers/hooks/_helpers.py
index 9dabc7b286..d885b7326e 100644
--- a/src/diffusers/hooks/_helpers.py
+++ b/src/diffusers/hooks/_helpers.py
@@ -30,7 +30,7 @@ from ..models.transformers.transformer_hunyuan_video import (
 )
 from ..models.transformers.transformer_ltx import LTXVideoTransformerBlock
 from ..models.transformers.transformer_mochi import MochiTransformerBlock
-from ..models.transformers.transformer_wan import WanTransformerBlock
+from ..models.transformers.transformer_wan import WanAttnProcessor2_0, WanPAGAttnProcessor2_0, WanTransformerBlock
 
 
 @dataclass
@@ -101,6 +101,14 @@ def _register_attention_processors_metadata():
         ),
     )
 
+    # Wan
+    AttentionProcessorRegistry.register(
+        model_class=WanAttnProcessor2_0,
+        metadata=AttentionProcessorMetadata(
+            skip_processor_output_fn=_skip_proc_output_fn_Attention_WanAttnProcessor,
+        ),
+    )
+
 
 def _register_guidance_metadata():
     # CogView4
@@ -111,6 +119,14 @@ def _register_guidance_metadata():
         ),
     )
 
+    # Wan
+    GuidanceMetadataRegistry.register(
+        model_class=WanAttnProcessor2_0,
+        metadata=GuidanceMetadata(
+            perturbed_attention_guidance_processor_cls=WanPAGAttnProcessor2_0,
+        ),
+    )
+
 
 def _register_transformer_blocks_metadata():
     # CogVideoX
@@ -217,6 +233,13 @@ def _register_transformer_blocks_metadata():
 
 
 # fmt: off
+def _skip_attention___ret___hidden_states(self, *args, **kwargs):
+    hidden_states = kwargs.get("hidden_states", None)
+    if hidden_states is None and len(args) > 0:
+        hidden_states = args[0]
+    return hidden_states
+
+
 def _skip_attention___ret___hidden_states___encoder_hidden_states(self, *args, **kwargs):
     hidden_states = kwargs.get("hidden_states", None)
     encoder_hidden_states = kwargs.get("encoder_hidden_states", None)
@@ -228,6 +251,7 @@ def _skip_attention___ret___hidden_states___encoder_hidden_states(self, *args, *
 
 
 _skip_proc_output_fn_Attention_CogView4AttnProcessor = _skip_attention___ret___hidden_states___encoder_hidden_states
+_skip_proc_output_fn_Attention_WanAttnProcessor = _skip_attention___ret___hidden_states
 
 
 def _skip_block_output_fn___hidden_states_0___ret___hidden_states(self, *args, **kwargs):