diff --git a/services/audiomanager/managersink/src/daudio_sink_manager.cpp b/services/audiomanager/managersink/src/daudio_sink_manager.cpp
index 7ce29f149300027597a6fb9072e08ed43dab75fa..39062b760b2c870321e03a1d81f96f2e0f61fcf7 100644
--- a/services/audiomanager/managersink/src/daudio_sink_manager.cpp
+++ b/services/audiomanager/managersink/src/daudio_sink_manager.cpp
@@ -205,8 +205,6 @@ int32_t DAudioSinkManager::CreateAudioDevice(const std::string &devId)
     std::string eventContent = std::string(jsonData);
     cJSON_free(jsonData);
     cJSON_Delete(jParam);
-    int32_t SLEEP_TIME = 300;
-    std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIME));
     NotifyEvent(devId, CTRL_OPENED, eventContent);
     return DH_SUCCESS;
 }