diff --git a/mace/utils/tuner_test.cc b/mace/utils/tuner_test.cc
index b040a5a62694e53f0792088080d3a7c644c4dd7d..869318f46474cba9f873aefb31356ef071f9397f 100644
--- a/mace/utils/tuner_test.cc
+++ b/mace/utils/tuner_test.cc
@@ -20,7 +20,8 @@ class TunerTest : public ::testing::Test {
 
 TEST_F(TunerTest, SimpleRun) {
   int expect = 1;
-  auto TunerFunc = [&](const std::vector<unsigned int> &params) -> int {
+  auto TunerFunc = [&](const std::vector<unsigned int> &params, Timer *timer,
+                       std::vector<uint32_t> *tuning_result) -> int {
     if (params.front() == 1) {
       return expect;
     } else {
@@ -43,13 +44,30 @@ TEST_F(TunerTest, SimpleRun) {
 
 TEST_F(TunerTest, SimpleTune) {
   int expect = 3;
-  auto TunerFunc = [&](const std::vector<unsigned int> &params) -> int {
-    if (params.front() == expect) {
-      return expect;
+  auto TunerFunc = [&](const std::vector<unsigned int> &params, Timer *timer,
+                       std::vector<uint32_t> *tuning_result) -> int {
+    int res = 0;
+    if (timer) {
+      timer->ClearTiming();
+      timer->StartTiming();
+      if (params.front() == expect) {
+        timer->AccumulateTiming();
+        res = expect;
+      } else {
+        std::this_thread::sleep_for(std::chrono::milliseconds(10));
+        timer->AccumulateTiming();
+        res = params.front();
+      }
+      tuning_result->assign(params.begin(), params.end());
     } else {
-      std::this_thread::sleep_for(std::chrono::milliseconds(10));
-      return params.front();
+      if (params.front() == expect) {
+        res = expect;
+      } else {
+        std::this_thread::sleep_for(std::chrono::milliseconds(10));
+        res = params.front();
+      }
     }
+    return res;
   };
 
   std::vector<unsigned int> default_params(1, 1);
diff --git a/mace/utils/utils_test.cc b/mace/utils/utils_test.cc
deleted file mode 100644
index b040a5a62694e53f0792088080d3a7c644c4dd7d..0000000000000000000000000000000000000000
--- a/mace/utils/utils_test.cc
+++ /dev/null
@@ -1,71 +0,0 @@
-//
-// Copyright (c) 2017 XiaoMi All rights reserved.
-//
-#include <thread>  // NOLINT(build/c++11)
-
-#include "gtest/gtest.h"
-
-#include "mace/utils/tuner.h"
-
-namespace mace {
-
-class TunerTest : public ::testing::Test {
- protected:
-  virtual void SetUp() {
-    remove("/data/local/tmp/mace.config");
-    setenv("MACE_RUN_PARAMETER_PATH", "/data/local/tmp/mace.config", 1);
-    setenv("MACE_TUNING", "1", 1);
-  }
-};
-
-TEST_F(TunerTest, SimpleRun) {
-  int expect = 1;
-  auto TunerFunc = [&](const std::vector<unsigned int> &params) -> int {
-    if (params.front() == 1) {
-      return expect;
-    } else {
-      return expect + 1;
-    }
-  };
-
-  WallClockTimer timer;
-  std::vector<unsigned int> default_params(1, 1);
-  int res = Tuner<unsigned int>::Get()->template TuneOrRun<unsigned int>(
-      "SimpleRun", default_params, nullptr, TunerFunc, &timer);
-
-  EXPECT_EQ(expect, res);
-
-  default_params[0] = 2;
-  res = Tuner<unsigned int>::Get()->template TuneOrRun<unsigned int>(
-      "SimpleRun", default_params, nullptr, TunerFunc, &timer);
-  EXPECT_EQ(expect + 1, res);
-}
-
-TEST_F(TunerTest, SimpleTune) {
-  int expect = 3;
-  auto TunerFunc = [&](const std::vector<unsigned int> &params) -> int {
-    if (params.front() == expect) {
-      return expect;
-    } else {
-      std::this_thread::sleep_for(std::chrono::milliseconds(10));
-      return params.front();
-    }
-  };
-
-  std::vector<unsigned int> default_params(1, 1);
-  auto params_generator = []() -> std::vector<std::vector<unsigned int>> {
-    return {{1}, {2}, {3}, {4}};
-  };
-  // tune
-  WallClockTimer timer;
-  int res = Tuner<unsigned int>::Get()->template TuneOrRun<unsigned int>(
-      "SimpleRun", default_params, *params_generator, TunerFunc, &timer);
-  EXPECT_EQ(expect, res);
-
-  // run
-  res = Tuner<unsigned int>::Get()->template TuneOrRun<unsigned int>(
-      "SimpleRun", default_params, nullptr, TunerFunc, &timer);
-  EXPECT_EQ(expect, res);
-}
-
-}  // namespace mace