From 3e487bde0b385547d3b877514952d205bfaabca4 Mon Sep 17 00:00:00 2001
From: Cai Yudong <yudong.cai@zilliz.com>
Date: Sat, 25 Sep 2021 12:13:56 +0800
Subject: [PATCH] Clean test_concurrent_vector.cpp (#8532)

Signed-off-by: yudong.cai <yudong.cai@zilliz.com>
---
 internal/core/unittest/test_concurrent_vector.cpp | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/internal/core/unittest/test_concurrent_vector.cpp b/internal/core/unittest/test_concurrent_vector.cpp
index d42712ddb8..db4464a6d7 100644
--- a/internal/core/unittest/test_concurrent_vector.cpp
+++ b/internal/core/unittest/test_concurrent_vector.cpp
@@ -19,9 +19,6 @@
 #include "segcore/SegmentGrowing.h"
 #include "segcore/AckResponder.h"
 
-using std::cin;
-using std::cout;
-using std::endl;
 using namespace milvus::engine;
 using namespace milvus::segcore;
 using std::vector;