diff --git a/src/diffusers/pipelines/pndm/pipeline_pndm.py b/src/diffusers/pipelines/pndm/pipeline_pndm.py
index 3c3c36f0dc..7b8946529c 100644
--- a/src/diffusers/pipelines/pndm/pipeline_pndm.py
+++ b/src/diffusers/pipelines/pndm/pipeline_pndm.py
@@ -49,16 +49,6 @@ class PNDMPipeline(DiffusionPipeline):
 
             image = self.scheduler.step(model_output, t, image)["prev_sample"]
 
-        #        for i, t in enumerate(tqdm(self.scheduler.prk_timesteps)):
-        #            model_output = self.unet(image, t)["sample"]
-        #
-        #            image = self.scheduler.step_prk(model_output, t, image, i=i)["prev_sample"]
-        #
-        #        for i, t in enumerate(tqdm(self.scheduler.plms_timesteps)):
-        #            model_output = self.unet(image, t)["sample"]
-        #
-        #            image = self.scheduler.step_plms(model_output, t, image, i=i)["prev_sample"]
-
         image = (image / 2 + 0.5).clamp(0, 1)
         image = image.cpu().permute(0, 2, 3, 1).numpy()
         if output_type == "pil":