diff --git a/services/implementation/include/device_manager_service_impl.h b/services/implementation/include/device_manager_service_impl.h
index aa1feb4256306513d1f185522e36d9142417fcb1..4820c4d9eb782f14a1efcefa82ef66cb73e7ab8d 100644
--- a/services/implementation/include/device_manager_service_impl.h
+++ b/services/implementation/include/device_manager_service_impl.h
@@ -137,8 +137,6 @@ public:
 
     int32_t ImportAuthCode(const std::string &pkgName, const std::string &authCode);
 
-    int32_t ExportAuthCode(std::string &authCode);
-
     int32_t BindTarget(const std::string &pkgName, const PeerTargetId &targetId,
         const std::map<std::string, std::string> &bindParam);
 
diff --git a/services/implementation/src/device_manager_service_impl.cpp b/services/implementation/src/device_manager_service_impl.cpp
index 844e3e3d1853ba78a1ece0766a711681cc88036c..0fa9d666a3290ab7181c654f1f4a7bb2b33850de 100644
--- a/services/implementation/src/device_manager_service_impl.cpp
+++ b/services/implementation/src/device_manager_service_impl.cpp
@@ -50,8 +50,6 @@ namespace {
 // One year 365 * 24 * 60 * 60
 constexpr int32_t MAX_ALWAYS_ALLOW_SECONDS = 31536000;
 constexpr int32_t BROADCAST_CREDID_LENGTH = 6;
-constexpr int32_t MIN_PIN_CODE = 100000;
-constexpr int32_t MAX_PIN_CODE = 999999;
 // New protocol field definition. To avoid dependency on the new protocol header file,
 // do not directly depend on the new protocol header file.
 constexpr int32_t MSG_TYPE_REQ_ACL_NEGOTIATE = 80;
@@ -1376,14 +1374,6 @@ int32_t DeviceManagerServiceImpl::ImportAuthCode(const std::string &pkgName, con
     return DM_OK;
 }
 
-int32_t DeviceManagerServiceImpl::ExportAuthCode(std::string &authCode)
-{
-    int32_t ret = GenRandInt(MIN_PIN_CODE, MAX_PIN_CODE);
-    authCode = std::to_string(ret);
-    LOGI("ExportAuthCode success, authCode: %{public}s.", GetAnonyString(authCode).c_str());
-    return DM_OK;
-}
-
 static JsonObject GetExtraJsonObject(const std::map<std::string, std::string> &bindParam)
 {
     std::string extra;
diff --git a/services/service/include/idevice_manager_service_impl.h b/services/service/include/idevice_manager_service_impl.h
index 7825f64767874a83cf6cd8920bbcc630b49d1d70..7c07f181c8db7a8e4b0bfecd4fe845b56e12f2c1 100644
--- a/services/service/include/idevice_manager_service_impl.h
+++ b/services/service/include/idevice_manager_service_impl.h
@@ -182,13 +182,6 @@ public:
      */
     virtual int32_t ImportAuthCode(const std::string &pkgName, const std::string &authCode) = 0;
 
-    /**
-     * @tc.name: IDeviceManagerServiceImpl::ExportAuthCode
-     * @tc.desc: ExportAuthCode
-     * @tc.type: FUNC
-     */
-    virtual int32_t ExportAuthCode(std::string &authCode) = 0;
-
     /**
      * @tc.name: IDeviceManagerServiceImpl::BindTarget
      * @tc.desc: BindTarget
diff --git a/services/service/src/device_manager_service.cpp b/services/service/src/device_manager_service.cpp
index a1785e60012d6d97e71548c7ef72354f3a77b64d..7c615b89e5ea4e7b9317ebbf4a3e5762607557fa 100644
--- a/services/service/src/device_manager_service.cpp
+++ b/services/service/src/device_manager_service.cpp
@@ -87,6 +87,8 @@ namespace {
     constexpr const char* USER_STOP_BY_WIFI_TIMEOUT_TASK = "deviceManagerTimer:userStopByWifi";
     constexpr const char* ACCOUNT_COMMON_EVENT_BY_WIFI_TIMEOUT_TASK = "deviceManagerTimer:accountCommonEventByWifi";
     const int32_t USER_SWITCH_BY_WIFI_TIMEOUT_S = 2;
+    constexpr int32_t MIN_PIN_CODE = 100000;
+    constexpr int32_t MAX_PIN_CODE = 999999;
 #if !(defined(__LITEOS_M__) || defined(LITE_DEVICE)) && !defined(DEVICE_MANAGER_COMMON_FLAG)
     const std::string GET_LOCAL_DEVICE_NAME_API_NAME = "GetLocalDeviceName";
 #endif
@@ -1369,12 +1371,13 @@ int32_t DeviceManagerService::ExportAuthCode(std::string &authCode)
         LOGE("The caller: %{public}s is not in white list.", processName.c_str());
         return ERR_DM_INPUT_PARA_INVALID;
     }
-    if (!IsDMServiceImplReady()) {
-        LOGE("ExportAuthCode failed, instance not init or init failed.");
-        return ERR_DM_NOT_INIT;
-    }
     LOGI("DeviceManagerService::ExportAuthCode begin.");
-    return dmServiceImpl_->ExportAuthCode(authCode);
+#if !(defined(__LITEOS_M__) || defined(LITE_DEVICE))
+    int32_t ret = GenRandInt(MIN_PIN_CODE, MAX_PIN_CODE);
+    authCode = std::to_string(ret);
+    LOGI("ExportAuthCode success, authCode: %{public}s.", GetAnonyString(authCode).c_str());
+#endif
+    return DM_OK;
 }
 
 void DeviceManagerService::UnloadDMServiceImplSo()
diff --git a/test/commonfuzztest/authenticatedeviceserviceimpl_fuzzer/authenticate_device_service_impl_fuzzer.cpp b/test/commonfuzztest/authenticatedeviceserviceimpl_fuzzer/authenticate_device_service_impl_fuzzer.cpp
index c53e1d1575af3dedcc22db8a3e69f4d906c4db8c..a846643bfc6b5757a2ddd15d39d95cbd83461c40 100644
--- a/test/commonfuzztest/authenticatedeviceserviceimpl_fuzzer/authenticate_device_service_impl_fuzzer.cpp
+++ b/test/commonfuzztest/authenticatedeviceserviceimpl_fuzzer/authenticate_device_service_impl_fuzzer.cpp
@@ -149,7 +149,6 @@ void AuthenticateDeviceServiceImplFuzzTest(const uint8_t* data, size_t size)
     deviceManagerServiceImpl->GetGroupType(deviceList);
     deviceManagerServiceImpl->GetUdidHashByNetWorkId(str.c_str(), str);
     deviceManagerServiceImpl->ImportAuthCode(str, str);
-    deviceManagerServiceImpl->ExportAuthCode(str);
     deviceManagerServiceImpl->BindTarget(str, peerTargetId, bindParam);
     deviceManagerServiceImpl->UnRegisterCredentialCallback(str);
     deviceManagerServiceImpl->UnRegisterUiStateCallback(str);
diff --git a/test/unittest/UTTest_device_manager_service_impl.cpp b/test/unittest/UTTest_device_manager_service_impl.cpp
index ae1f15b2934e3ad0a3eed435083a4e9e866a7aae..9060a9f26b89112829041e2a41306a28b1f76373 100644
--- a/test/unittest/UTTest_device_manager_service_impl.cpp
+++ b/test/unittest/UTTest_device_manager_service_impl.cpp
@@ -1262,20 +1262,6 @@ HWTEST_F(DeviceManagerServiceImplTest, ImportAuthCode_003, testing::ext::TestSiz
     EXPECT_EQ(ret, DM_OK);
 }
 
-/**
- * @tc.name: ExportAuthCode_001
- * @tc.type: FUNC
- */
-HWTEST_F(DeviceManagerServiceImplTest, ExportAuthCode_001, testing::ext::TestSize.Level1)
-{
-    std::string authCode = "authCode";
-    if (deviceManagerServiceImpl_ == nullptr) {
-        deviceManagerServiceImpl_ = std::make_shared<DeviceManagerServiceImpl>();
-    }
-    int32_t ret = deviceManagerServiceImpl_->ExportAuthCode(authCode);
-    EXPECT_EQ(ret, DM_OK);
-}
-
 /**
  * @tc.name: BindTarget_001
  * @tc.type: FUNC