diff --git a/cpp/test_client/main.cpp b/cpp/test_client/main.cpp
index 0bed6bd097..0c2039f25c 100644
--- a/cpp/test_client/main.cpp
+++ b/cpp/test_client/main.cpp
@@ -12,8 +12,9 @@
 #include <gmock/gmock.h>
 #include <easylogging++.h>
 
-#include "src/ClientApp.h"
 #include "src/FaissTest.h"
+#include "src/Log.h"
+#include "server/ServerConfig.h"
 
 INITIALIZE_EASYLOGGINGPP
 
@@ -57,8 +58,10 @@ main(int argc, char *argv[]) {
         }
     }
 
-    zilliz::vecwise::client::ClientApp app;
-    app.Run(config_filename);
+    zilliz::vecwise::server::ServerConfig& config = zilliz::vecwise::server::ServerConfig::GetInstance();
+    config.LoadConfigFile(config_filename);
+
+    CLIENT_LOG_INFO << "Load config file:" << config_filename;
 
     ::testing::InitGoogleTest(&argc, argv);
     return RUN_ALL_TESTS();
diff --git a/cpp/test_client/src/ClientApp.cpp b/cpp/test_client/src/ClientApp.cpp
deleted file mode 100644
index fc88baaf2f..0000000000
--- a/cpp/test_client/src/ClientApp.cpp
+++ /dev/null
@@ -1,26 +0,0 @@
-/*******************************************************************************
- * Copyright 上海赜睿信息科技有限公司(Zilliz) - All Rights Reserved
- * Unauthorized copying of this file, via any medium is strictly prohibited.
- * Proprietary and confidential.
- ******************************************************************************/
-#include "ClientApp.h"
-#include "server/ServerConfig.h"
-#include "Log.h"
-
-
-namespace zilliz {
-namespace vecwise {
-namespace client {
-
-
-void ClientApp::Run(const std::string &config_file) {
-    server::ServerConfig& config = server::ServerConfig::GetInstance();
-    config.LoadConfigFile(config_file);
-
-    CLIENT_LOG_INFO << "Load config file:" << config_file;
-}
-
-}
-}
-}
-
diff --git a/cpp/test_client/src/ClientApp.h b/cpp/test_client/src/ClientApp.h
deleted file mode 100644
index 1518730d35..0000000000
--- a/cpp/test_client/src/ClientApp.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/*******************************************************************************
- * Copyright 上海赜睿信息科技有限公司(Zilliz) - All Rights Reserved
- * Unauthorized copying of this file, via any medium is strictly prohibited.
- * Proprietary and confidential.
- ******************************************************************************/
-#pragma once
-
-#include <string>
-
-namespace zilliz {
-namespace vecwise {
-namespace client {
-
-class ClientApp {
-public:
-    void Run(const std::string& config_file);
-};
-
-}
-}
-}
diff --git a/cpp/test_client/src/ClientTest.cpp b/cpp/test_client/src/ClientTest.cpp
index 59d717aadd..762cc95bd4 100644
--- a/cpp/test_client/src/ClientTest.cpp
+++ b/cpp/test_client/src/ClientTest.cpp
@@ -5,7 +5,6 @@
 ////////////////////////////////////////////////////////////////////////////////
 #include <gtest/gtest.h>
 #include <utils/TimeRecorder.h>
-#include "ClientApp.h"
 #include "ClientSession.h"
 #include "server/ServerConfig.h"
 #include "Log.h"