diff --git a/paddlespeech/t2s/datasets/__init__.py b/paddlespeech/t2s/datasets/__init__.py
index acaf808a..fc64a82f 100644
--- a/paddlespeech/t2s/datasets/__init__.py
+++ b/paddlespeech/t2s/datasets/__init__.py
@@ -12,5 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 from .common import *
-from .csmsc import *
 from .ljspeech import *
diff --git a/paddlespeech/t2s/datasets/csmsc.py b/paddlespeech/t2s/datasets/csmsc.py
deleted file mode 100644
index 9928a73a..00000000
--- a/paddlespeech/t2s/datasets/csmsc.py
+++ /dev/null
@@ -1,56 +0,0 @@
-# Copyright (c) 2020 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.
-import os
-from pathlib import Path
-
-from paddle.io import Dataset
-
-__all__ = ["CSMSCMetaData"]
-
-
-class CSMSCMetaData(Dataset):
-    def __init__(self, root):
-        """
-        :param root: the path of baker dataset
-        """
-        self.root = os.path.abspath(root)
-        records = []
-        index = 1
-        self.meta_info = ["file_path", "text", "pinyin"]
-
-        metadata_path = os.path.join(root, "ProsodyLabeling/000001-010000.txt")
-        wav_dirs = os.path.join(self.root, "Wave")
-        with open(metadata_path, 'r', encoding='utf-8') as f:
-            while True:
-                line1 = f.readline().strip()
-                if not line1:
-                    break
-                line2 = f.readline().strip()
-                strs = line1.split()
-                wav_fname = line1.split()[0].strip() + '.wav'
-                wav_filepath = os.path.join(wav_dirs, wav_fname)
-                text = strs[1].strip()
-                pinyin = line2
-                records.append([wav_filepath, text, pinyin])
-
-        self.records = records
-
-    def __getitem__(self, i):
-        return self.records[i]
-
-    def __len__(self):
-        return len(self.records)
-
-    def get_meta_info(self):
-        return self.meta_info