diff --git a/cyber/python/examples/BUILD b/cyber/python/examples/BUILD
index f19500e3581..e5afd724ac8 100644
--- a/cyber/python/examples/BUILD
+++ b/cyber/python/examples/BUILD
@@ -32,14 +32,4 @@ cc_binary(
     ],
 )
 
-cc_binary(
-    name = "py_record",
-    srcs = ["py_record.cc"],
-    deps = [
-        "//cyber",
-        "//cyber/proto:unit_test_cc_proto",
-        "//cyber/py_wrapper:py_record",
-    ],
-)
-
 cpplint()
diff --git a/cyber/python/examples/py_record.cc b/cyber/python/examples/py_record.cc
deleted file mode 100644
index 3c6b8328d47..00000000000
--- a/cyber/python/examples/py_record.cc
+++ /dev/null
@@ -1,80 +0,0 @@
-/******************************************************************************
- * Copyright 2018 The Apollo 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.
- *****************************************************************************/
-
-#include <string>
-
-#include "cyber/cyber.h"
-#include "cyber/proto/unit_test.pb.h"
-#include "cyber/py_wrapper/py_record.h"
-
-const char TEST_RECORD_FILE[] = "test02.record";
-const char CHAN_1[] = "channel/chatter";
-const char CHAN_2[] = "/test2";
-const char MSG_TYPE[] = "apollo.cyber.proto.Test";
-const char STR_10B[] = "1234567890";
-const char TEST_FILE[] = "test.record";
-
-void test_write(const std::string &writefile) {
-  apollo::cyber::record::PyRecordWriter rec_writer;
-  AINFO << "++++ begin writer";
-  rec_writer.Open(writefile);
-  rec_writer.SetSizeOfFileSegmentation(0);
-  rec_writer.SetIntervalOfFileSegmentation(0);
-  rec_writer.WriteChannel(CHAN_1, MSG_TYPE, STR_10B);
-  rec_writer.WriteMessage(CHAN_1, STR_10B, 1000);
-  rec_writer.Close();
-}
-
-void test_read(const std::string &readfile) {
-  apollo::cyber::record::PyRecordReader rec_reader(readfile);
-  AINFO << "++++ begin reading";
-  sleep(1);
-  int count = 0;
-
-  apollo::cyber::record::BagMessage bag_msg = rec_reader.ReadMessage();
-  while (!bag_msg.end) {
-    AINFO << "========================";
-    std::string channel_name = bag_msg.channel_name;
-    AINFO << "read msg[" << count << "]";
-    AINFO << "cur channel:[" << channel_name
-          << "] msg total:" << rec_reader.GetMessageNumber(channel_name) << "] "
-          << "cur msg:[ " << bag_msg.data << " ]";
-    AINFO << "curMsgTime: " << bag_msg.timestamp;
-    AINFO << "msg type:" << bag_msg.data_type;
-    AINFO << "msg protoDesc:" << rec_reader.GetProtoDesc(channel_name);
-    count++;
-    bag_msg = rec_reader.ReadMessage();
-  }
-
-  AINFO << "reader msg count = " << count;
-}
-
-// ./py_record readfile1. only read readfile1
-// other write & read
-int main(int argc, char *argv[]) {
-  apollo::cyber::Init("cyber_python");
-  if (argc == 2) {
-    std::string readfile(argv[1]);
-    AINFO << "beging to read: " << readfile;
-    test_read(readfile);
-    return 1;
-  }
-  test_write(TEST_RECORD_FILE);
-  sleep(1);
-  test_read(TEST_RECORD_FILE);
-
-  return 0;
-}