diff --git a/src/diffusers/schedulers/scheduling_lms_discrete.py b/src/diffusers/schedulers/scheduling_lms_discrete.py
index 0e1ed2049b..55dd3dbec8 100644
--- a/src/diffusers/schedulers/scheduling_lms_discrete.py
+++ b/src/diffusers/schedulers/scheduling_lms_discrete.py
@@ -130,14 +130,5 @@ class LMSDiscreteScheduler(SchedulerMixin, ConfigMixin):
         noisy_samples = (alpha_prod**0.5) * original_samples + ((1 - alpha_prod) ** 0.5) * noise
         return noisy_samples
 
-    def add_noise(self, original_samples, noise, timesteps):
-        sqrt_alpha_prod = self.alphas_cumprod[timesteps] ** 0.5
-        sqrt_alpha_prod = self.match_shape(sqrt_alpha_prod, original_samples)
-        sqrt_one_minus_alpha_prod = (1 - self.alphas_cumprod[timesteps]) ** 0.5
-        sqrt_one_minus_alpha_prod = self.match_shape(sqrt_one_minus_alpha_prod, original_samples)
-
-        noisy_samples = sqrt_alpha_prod * original_samples + sqrt_one_minus_alpha_prod * noise
-        return noisy_samples
-
     def __len__(self):
         return self.config.num_train_timesteps
diff --git a/src/diffusers/utils/__init__.py b/src/diffusers/utils/__init__.py
index ffa654c2e7..aef3827df1 100644
--- a/src/diffusers/utils/__init__.py
+++ b/src/diffusers/utils/__init__.py
@@ -28,12 +28,12 @@ from .import_utils import (
     DummyObject,
     is_flax_available,
     is_inflect_available,
+    is_modelcards_available,
     is_scipy_available,
     is_tf_available,
     is_torch_available,
     is_transformers_available,
     is_unidecode_available,
-    is_modelcards_available,
     requires_backends,
 )
 from .logging import get_logger