diff --git a/paddleslim/common/controller_server.py b/paddleslim/common/controller_server.py
index e4705a887727bf444b3ba285165d27df59a1ed57..212eb58e2e63c793539a56974208fd0fe47c3501 100644
--- a/paddleslim/common/controller_server.py
+++ b/paddleslim/common/controller_server.py
@@ -51,23 +51,8 @@ class ControllerServer(object):
         self._port = address[1]
         self._ip = address[0]
         self._key = key
-        self._socket_file = "./controller_server.socket"
 
     def start(self):
-        open(self._socket_file, 'a').close()
-        socket_file = open(self._socket_file, 'r+')
-        lock(socket_file)
-        tid = socket_file.readline()
-        if tid == '':
-            _logger.info("start controller server...")
-            tid = self._start()
-            socket_file.write("tid: {}\nip: {}\nport: {}\n".format(
-                tid, self._ip, self._port))
-            _logger.info("started controller server...")
-        unlock(socket_file)
-        socket_file.close()
-
-    def _start(self):
         self._socket_server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
         self._socket_server.bind(self._address)
         self._socket_server.listen(self._max_client_num)
@@ -82,7 +67,6 @@ class ControllerServer(object):
     def close(self):
         """Close the server."""
         self._closed = True
-        os.remove(self._socket_file)
         _logger.info("server closed!")
 
     def port(self):