diff --git a/src/diffusers/pipelines/t2i_adapter/pipeline_stable_diffusion_adapter.py b/src/diffusers/pipelines/t2i_adapter/pipeline_stable_diffusion_adapter.py
index a76ae4ecbe..17406229e9 100644
--- a/src/diffusers/pipelines/t2i_adapter/pipeline_stable_diffusion_adapter.py
+++ b/src/diffusers/pipelines/t2i_adapter/pipeline_stable_diffusion_adapter.py
@@ -162,7 +162,6 @@ class StableDiffusionAdapterPipeline(DiffusionPipeline):
         scheduler: KarrasDiffusionSchedulers,
         safety_checker: StableDiffusionSafetyChecker,
         feature_extractor: CLIPFeatureExtractor,
-        adapter_weights: Optional[List[float]] = None,
         requires_safety_checker: bool = True,
     ):
         super().__init__()
@@ -184,7 +183,7 @@ class StableDiffusionAdapterPipeline(DiffusionPipeline):
             )
 
         if isinstance(adapter, (list, tuple)):
-            adapter = MultiAdapter(adapter, adapter_weights=adapter_weights)
+            adapter = MultiAdapter(adapter)
 
         self.register_modules(
             vae=vae,