diff --git a/bundle.json b/bundle.json
index e83679d2a517c9e040f470cf5beedd7570974392..523ce2b4c0a2f728fe2c7d427cb706af0db1521b 100644
--- a/bundle.json
+++ b/bundle.json
@@ -36,7 +36,6 @@
                 "common_event_service",
                 "device_manager",
                 "dsoftbus",
-                "eventhandler",
                 "ffrt",
                 "hicollie",
                 "hilog",
diff --git a/services/dfx/include/hicollie_helper.h b/services/dfx/include/hicollie_helper.h
deleted file mode 100644
index f58fb701e3acf63ae93079cfe7515e448042b082..0000000000000000000000000000000000000000
--- a/services/dfx/include/hicollie_helper.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (c) 2022 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef SERVICES_DFX_INCLUDE_HICOLLIE_HELLER_H
-#define SERVICES_DFX_INCLUDE_HICOLLIE_HELLER_H
-#include "event_handler.h"
-#include <string>
-namespace OHOS {
-class HicollieHelper {
-public:
-    static int AddThread(const std::string& name, std::shared_ptr<AppExecFwk::EventHandler> handler,
-        std::function<void(const std::string& name, int waitState)> timeOutCallback, uint64_t interval);
-};
-}  // namespace OHOS
-#endif  // SERVICES_DFX_INCLUDE_HICOLLIE_HELLER_H
diff --git a/services/dfx/source/hicollie_helper.cpp b/services/dfx/source/hicollie_helper.cpp
deleted file mode 100644
index 23c5305fdb7c43971a371979a950d2a25c72a181..0000000000000000000000000000000000000000
--- a/services/dfx/source/hicollie_helper.cpp
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright (c) 2022 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include "hicollie_helper.h"
-#ifdef HICOLLIE_ENABLE
-#include "xcollie/watchdog.h"
-#endif
-
-namespace OHOS {
-int HicollieHelper::AddThread(const std::string& name, std::shared_ptr<AppExecFwk::EventHandler> handler,
-    std::function<void(const std::string& name, int waitState)> timeOutCallback, uint64_t interval)
-{
-#ifdef HICOLLIE_ENABLE
-    return HiviewDFX::Watchdog::GetInstance().AddThread(name, handler, timeOutCallback, interval);
-#else
-    // HICOLLIE_ENABLE is false, do nothing and return 1.
-    return 1;
-#endif
-}
-}  // namespace OHOS
\ No newline at end of file
diff --git a/services/samgr/native/source/collect/common_event_collect.cpp b/services/samgr/native/source/collect/common_event_collect.cpp
index 0510e008ae7c18763aeeab67dc6db38e75bb00e4..e5a39aef7e6d7a83df1baaf71c7c2072611e249f 100644
--- a/services/samgr/native/source/collect/common_event_collect.cpp
+++ b/services/samgr/native/source/collect/common_event_collect.cpp
@@ -34,7 +34,6 @@
 #include "system_ability_manager.h"
 #include "samgr_xcollie.h"
 
-using namespace OHOS::AppExecFwk;
 namespace OHOS {
 namespace {
 constexpr uint32_t INIT_EVENT = 10;
diff --git a/services/samgr/native/source/collect/device_switch_collect.cpp b/services/samgr/native/source/collect/device_switch_collect.cpp
index 53bd9f0caca68a2863b895433fe530bc672c06c2..ad3c3ad24b5fc99aeebae330ff6d330f5234076e 100644
--- a/services/samgr/native/source/collect/device_switch_collect.cpp
+++ b/services/samgr/native/source/collect/device_switch_collect.cpp
@@ -23,7 +23,6 @@
 #include "system_ability_manager.h"
 
 using namespace std;
-using namespace OHOS::AppExecFwk;
 
 namespace OHOS {
 namespace {
diff --git a/services/samgr/native/test/unittest/BUILD.gn b/services/samgr/native/test/unittest/BUILD.gn
index c1e31225438901d900c3c9303843ada8a9cdab42..f5931c94dd8c693d1ce57e4a5abe81ecb35c8c27 100644
--- a/services/samgr/native/test/unittest/BUILD.gn
+++ b/services/samgr/native/test/unittest/BUILD.gn
@@ -104,7 +104,6 @@ ohos_unittest("SystemAbilityMgrTest") {
     "access_token:libaccesstoken_sdk",
     "c_utils:utils",
     "config_policy:configpolicy_util",
-    "eventhandler:libeventhandler",
     "ffrt:libffrt",
     "googletest:gtest_main",
     "hilog:libhilog",
@@ -231,7 +230,6 @@ ohos_unittest("SystemAbilityMgrCollectTest") {
     "access_token:libaccesstoken_sdk",
     "c_utils:utils",
     "config_policy:configpolicy_util",
-    "eventhandler:libeventhandler",
     "ffrt:libffrt",
     "googletest:gtest_main",
     "hilog:libhilog",
@@ -366,7 +364,6 @@ ohos_unittest("SystemAbilityMgrDeviceNetworkingTest") {
     "access_token:libaccesstoken_sdk",
     "c_utils:utils",
     "config_policy:configpolicy_util",
-    "eventhandler:libeventhandler",
     "ffrt:libffrt",
     "googletest:gtest_main",
     "hilog:libhilog",
@@ -476,7 +473,6 @@ ohos_unittest("SystemAbilityMgrStubTest") {
     "access_token:libaccesstoken_sdk",
     "c_utils:utils",
     "config_policy:configpolicy_util",
-    "eventhandler:libeventhandler",
     "ffrt:libffrt",
     "googletest:gtest_main",
     "hilog:libhilog",
@@ -686,7 +682,6 @@ ohos_unittest("SystemAbilityStateSchedulerTest") {
     "access_token:libaccesstoken_sdk",
     "c_utils:utils",
     "config_policy:configpolicy_util",
-    "eventhandler:libeventhandler",
     "ffrt:libffrt",
     "googletest:gtest_main",
     "hilog:libhilog",
@@ -1047,7 +1042,6 @@ ohos_executable("TestTool") {
     "access_token:libaccesstoken_sdk",
     "c_utils:utils",
     "config_policy:configpolicy_util",
-    "eventhandler:libeventhandler",
     "ffrt:libffrt",
     "hisysevent:libhisysevent",
     "hisysevent:libhisysevent_easy",
diff --git a/services/samgr/native/test/unittest/src/common_event_collect_test.cpp b/services/samgr/native/test/unittest/src/common_event_collect_test.cpp
index 2a61f87635bbd24082121459c0c992291eb0cfb1..6f3bb792c70304e7a68bc50189747df9e1989c5f 100644
--- a/services/samgr/native/test/unittest/src/common_event_collect_test.cpp
+++ b/services/samgr/native/test/unittest/src/common_event_collect_test.cpp
@@ -24,7 +24,6 @@
 #define private public
 #include "common_event_collect.h"
 #include "device_status_collect_manager.h"
-#include "event_handler.h"
 #undef private
 
 using namespace std;
@@ -181,62 +180,11 @@ HWTEST_F(CommonEventCollectTest, ProcessEvent002, TestSize.Level3)
     sptr<DeviceStatusCollectManager> collect = new DeviceStatusCollectManager();
     sptr<CommonEventCollect> commonEventCollect = new CommonEventCollect(collect);
     std::shared_ptr<CommonHandler> commonHandler = std::make_shared<CommonHandler>(commonEventCollect);
-    AppExecFwk::InnerEvent *event = nullptr;
-    auto destructor = [](AppExecFwk::InnerEvent *event) {
-        if (event != nullptr) {
-            delete event;
-        }
-    };
     commonHandler->ProcessEvent(COMMON_DIED_EVENT, 0);
-    EXPECT_EQ(event, nullptr);
+    EXPECT_NE(commonEventCollect->commonEventSubscriber_, nullptr);
     DTEST_LOG << "ProcessEvent002 end" << std::endl;
 }
 
-/**
- * @tc.name: ProcessEvent003
- * @tc.desc: test ProcessEvent, commonCollect_ is nullptr
- * @tc.type: FUNC
- * @tc.require: I6OU0A
- */
-HWTEST_F(CommonEventCollectTest, ProcessEvent003, TestSize.Level3)
-{
-    DTEST_LOG << "ProcessEvent003 begin" << std::endl;
-    sptr<CommonEventCollect> commonEventCollect = nullptr;
-    std::shared_ptr<CommonHandler> commonHandler = std::make_shared<CommonHandler>(commonEventCollect);
-    AppExecFwk::InnerEvent *event = new AppExecFwk::InnerEvent();
-    auto destructor = [](AppExecFwk::InnerEvent *event) {
-        if (event != nullptr) {
-            delete event;
-        }
-    };
-    commonHandler->ProcessEvent(COMMON_DIED_EVENT, 0);
-    EXPECT_NE(event, nullptr);
-    DTEST_LOG << "ProcessEvent003 end" << std::endl;
-}
-
-/**
- * @tc.name: ProcessEvent004
- * @tc.desc: test ProcessEvent, eventId is invalid
- * @tc.type: FUNC
- * @tc.require: I6OU0A
- */
-HWTEST_F(CommonEventCollectTest, ProcessEvent004, TestSize.Level3)
-{
-    DTEST_LOG << "ProcessEvent004 begin" << std::endl;
-    sptr<CommonEventCollect> commonEventCollect = nullptr;
-    std::shared_ptr<CommonHandler> commonHandler = std::make_shared<CommonHandler>(commonEventCollect);
-    AppExecFwk::InnerEvent *event = new AppExecFwk::InnerEvent();
-    event->innerEventId_ = static_cast<uint32_t>(-1);
-    auto destructor = [](AppExecFwk::InnerEvent *event) {
-        if (event != nullptr) {
-            delete event;
-        }
-    };
-    commonHandler->ProcessEvent(-1, 0);
-    EXPECT_NE(event, nullptr);
-    DTEST_LOG << "ProcessEvent004 end" << std::endl;
-}
-
 /**
  * @tc.name: OnReceiveEvent001
  * @tc.desc: test OnReceiveEvent
diff --git a/services/samgr/native/test/unittest/src/device_networking_collect_test.cpp b/services/samgr/native/test/unittest/src/device_networking_collect_test.cpp
index 0656f2e05e7bac3770b00b4d8f0a7cc9f4b1b056..22ad43d21b733e7251ef94826c1ec6169fb09781 100644
--- a/services/samgr/native/test/unittest/src/device_networking_collect_test.cpp
+++ b/services/samgr/native/test/unittest/src/device_networking_collect_test.cpp
@@ -22,7 +22,6 @@
 
 #define private public
 #include "device_networking_collect.h"
-#include "event_handler.h"
 
 using namespace std;
 using namespace testing;
@@ -39,12 +38,9 @@ constexpr uint32_t DELAY_TIME = 100;
 bool DeviceNetworkingCollectTest::isCaseDone_ = false;
 std::mutex DeviceNetworkingCollectTest::caseDoneLock_;
 std::condition_variable DeviceNetworkingCollectTest::caseDoneCondition_;
-std::shared_ptr<AppExecFwk::EventHandler> collectHandler_ = nullptr;
 
 void DeviceNetworkingCollectTest::SetUpTestCase()
 {
-    auto runner = AppExecFwk::EventRunner::Create("collect_test2");
-    collectHandler_ = std::make_shared<AppExecFwk::EventHandler>(runner);
     DTEST_LOG << "SetUpTestCase" << std::endl;
 }
 
diff --git a/services/samgr/native/test/unittest/src/system_ability_state_scheduler_proc_test.cpp b/services/samgr/native/test/unittest/src/system_ability_state_scheduler_proc_test.cpp
index 67b7555a9d63bdf7a636ba07f5a4b04b5cc4f54a..1643e68ae65ffa3ff8ac0294b3008fe25a3abcba 100644
--- a/services/samgr/native/test/unittest/src/system_ability_state_scheduler_proc_test.cpp
+++ b/services/samgr/native/test/unittest/src/system_ability_state_scheduler_proc_test.cpp
@@ -22,7 +22,6 @@
 
 #define private public
 #include "schedule/system_ability_state_scheduler.h"
-#include "event_handler.h"
 #include "system_ability_manager.h"
 
 using namespace std;
diff --git a/test/fuzztest/samgr_fuzzer/BUILD.gn b/test/fuzztest/samgr_fuzzer/BUILD.gn
index 8e9e07f8a4574d8abef98b52c9ad063627b79898..daae3343d4e848cd61900659877943617aaffa57 100644
--- a/test/fuzztest/samgr_fuzzer/BUILD.gn
+++ b/test/fuzztest/samgr_fuzzer/BUILD.gn
@@ -173,7 +173,6 @@ foreach(item, samgr_fuzztests) {
       "access_token:libaccesstoken_sdk",
       "c_utils:utils",
       "config_policy:configpolicy_util",
-      "eventhandler:libeventhandler",
       "ffrt:libffrt",
       "hilog:libhilog",
       "hisysevent:libhisysevent",
diff --git a/test/fuzztest/samgrcoverage_fuzzer/BUILD.gn b/test/fuzztest/samgrcoverage_fuzzer/BUILD.gn
index e44b7bab243e74e16d90bd7980901c50290f3aec..141bd7ca811b727caf6ef2681d6c8518e9aba05a 100644
--- a/test/fuzztest/samgrcoverage_fuzzer/BUILD.gn
+++ b/test/fuzztest/samgrcoverage_fuzzer/BUILD.gn
@@ -76,7 +76,6 @@ ohos_fuzztest("SamgrCoverageFuzzTest") {
     "access_token:libaccesstoken_sdk",
     "c_utils:utils",
     "config_policy:configpolicy_util",
-    "eventhandler:libeventhandler",
     "ffrt:libffrt",
     "hilog:libhilog",
     "hisysevent:libhisysevent",
diff --git a/test/fuzztest/samgrdumper_fuzzer/BUILD.gn b/test/fuzztest/samgrdumper_fuzzer/BUILD.gn
index a4884847e43aea75700a63e7315bd35577274f37..892965e21763ef11183692de03d3b19c2766bcb5 100644
--- a/test/fuzztest/samgrdumper_fuzzer/BUILD.gn
+++ b/test/fuzztest/samgrdumper_fuzzer/BUILD.gn
@@ -75,7 +75,6 @@ ohos_fuzztest("SamgrDumperFuzzTest") {
     "access_token:libaccesstoken_sdk",
     "c_utils:utils",
     "config_policy:configpolicy_util",
-    "eventhandler:libeventhandler",
     "ffrt:libffrt",
     "hilog:libhilog",
     "hisysevent:libhisysevent",
diff --git a/test/fuzztest/systemabilitymanager_fuzzer/BUILD.gn b/test/fuzztest/systemabilitymanager_fuzzer/BUILD.gn
index 021bffdaf04143e769f452a747bd6936337c38fe..0fdc4eb5bd43acb390849c2026e033d2f6a4acb5 100644
--- a/test/fuzztest/systemabilitymanager_fuzzer/BUILD.gn
+++ b/test/fuzztest/systemabilitymanager_fuzzer/BUILD.gn
@@ -75,7 +75,6 @@ ohos_fuzztest("SystemAbilityManagerFuzzTest") {
     "access_token:libaccesstoken_sdk",
     "c_utils:utils",
     "config_policy:configpolicy_util",
-    "eventhandler:libeventhandler",
     "ffrt:libffrt",
     "hilog:libhilog",
     "hisysevent:libhisysevent",