diff --git a/paddle/fluid/distributed/service/service.cc b/paddle/fluid/distributed/service/service.cc
index 29941e36ea0513fb9458a1ced7e2669e96f839a1..698ceb1578f47eec83d0ae1efb3bbac6149de210 100644
--- a/paddle/fluid/distributed/service/service.cc
+++ b/paddle/fluid/distributed/service/service.cc
@@ -51,7 +51,6 @@ void PSCore::init_gflag(const std::string& gflags) {
   std::vector<std::string> flags = paddle::string::split_string(gflags);
   if (flags.size() < 1) {
     flags.push_back("-max_body_size=314217728");
-    flags.push_back("-bthread_concurrency=200");
     flags.push_back("-socket_max_unwritten_bytes=2048000000");
     flags.push_back("-max_connection_pool_size=1950");
   }