diff --git a/frameworks/native/miscdevice/src/light_client.cpp b/frameworks/native/miscdevice/src/light_client.cpp
index b753b1948958a3e885c55045f2f0ee76100b98b5..7c78a2fe27226d8d511939f9e985d1af33fd9674 100755
--- a/frameworks/native/miscdevice/src/light_client.cpp
+++ b/frameworks/native/miscdevice/src/light_client.cpp
@@ -176,7 +176,6 @@ int32_t LightClient::ConvertLightInfos()
         MISC_HILOGE("The number of lights exceed the maximum value");
         return ERROR;
     }
-    std::lock_guard<std::mutex> lightInfosLock(lightInfosMutex_);
     lightInfos_ = (LightInfo *)malloc(sizeof(LightInfo) * count);
     CHKPR(lightInfos_, ERROR);
     for (size_t i = 0; i < count; ++i) {