diff --git a/paddleaudio/paddleaudio/metric/__init__.py b/paddleaudio/paddleaudio/metric/__init__.py
index 8e5ca9f757029cf925c335990a4aaa1455f95175..d2b3a1360f5603d3c5eadf273ef9a98a61e5a485 100644
--- a/paddleaudio/paddleaudio/metric/__init__.py
+++ b/paddleaudio/paddleaudio/metric/__init__.py
@@ -14,4 +14,3 @@
 from .dtw import dtw_distance
 from .eer import compute_eer
 from .eer import compute_minDCF
-from .mcd import mcd_distance
diff --git a/paddleaudio/paddleaudio/metric/mcd.py b/paddleaudio/paddleaudio/metric/mcd.py
deleted file mode 100644
index c973c8522aefb6427242055a91121e14d77b2ec4..0000000000000000000000000000000000000000
--- a/paddleaudio/paddleaudio/metric/mcd.py
+++ /dev/null
@@ -1,63 +0,0 @@
-# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-from typing import Callable
-
-import mcd.metrics as mt
-import numpy as np
-from mcd import dtw
-
-__all__ = [
-    'mcd_distance',
-]
-
-
-def mcd_distance(xs: np.ndarray,
-                 ys: np.ndarray,
-                 cost_fn: Callable=mt.logSpecDbDist) -> float:
-    """Mel cepstral distortion (MCD), dtw distance.
-
-    Dynamic Time Warping.
-    Uses dynamic programming to compute:
-
-    Examples:
-        .. code-block:: python
-
-            wps[i, j] = cost_fn(xs[i], ys[j]) + min(
-                            wps[i-1, j  ],  // vertical   / insertion / expansion
-                            wps[i  , j-1],  // horizontal / deletion  / compression
-                            wps[i-1, j-1])  // diagonal   / match
-
-            dtw = sqrt(wps[-1, -1])
-
-    Cost Function:
-    Examples:
-        .. code-block:: python
-
-            logSpecDbConst = 10.0 / math.log(10.0) * math.sqrt(2.0)
-
-            def logSpecDbDist(x, y):
-                diff = x - y
-                return logSpecDbConst * math.sqrt(np.inner(diff, diff))
-
-    Args:
-        xs (np.ndarray): ref sequence, [T,D]
-        ys (np.ndarray): hyp sequence, [T,D]
-        cost_fn (Callable, optional): Cost function. Defaults to mt.logSpecDbDist.
-
-    Returns:
-        float: dtw distance
-    """
-
-    min_cost, path = dtw.dtw(xs, ys, cost_fn)
-    return min_cost
diff --git a/paddleaudio/setup.py b/paddleaudio/setup.py
index e08b88a3bdc9901bcacf63d2bab4157911fd80bf..c92e5c73f76ef985c423bfedc33e9d875fb24bdb 100644
--- a/paddleaudio/setup.py
+++ b/paddleaudio/setup.py
@@ -19,7 +19,7 @@ from setuptools.command.install import install
 from setuptools.command.test import test
 
 # set the version here
-VERSION = '0.2.0'
+VERSION = '0.2.1'
 
 
 # Inspired by the example at https://pytest.org/latest/goodpractises.html
@@ -83,9 +83,8 @@ setuptools.setup(
     python_requires='>=3.6',
     install_requires=[
         'numpy >= 1.15.0', 'scipy >= 1.0.0', 'resampy >= 0.2.2',
-        'soundfile >= 0.9.0', 'colorlog', 'dtaidistance == 2.3.1', 'mcd >= 0.4',
-        'pathos'
-    ],
+        'soundfile >= 0.9.0', 'colorlog', 'dtaidistance == 2.3.1', 'pathos'
+        ],
     extras_require={
         'test': [
             'nose', 'librosa==0.8.1', 'soundfile==0.10.3.post1',