diff --git a/source/RobotAPI/libraries/armem_system_state/server/LightweightSystemMonitor/linux_systemutil.cpp b/source/RobotAPI/libraries/armem_system_state/server/LightweightSystemMonitor/linux_systemutil.cpp
index 665297aa56cef38f16e9544b5d54a4e9d7a8812a..8164ea09ed81eb4239da0c86a7e6222864e84f1c 100644
--- a/source/RobotAPI/libraries/armem_system_state/server/LightweightSystemMonitor/linux_systemutil.cpp
+++ b/source/RobotAPI/libraries/armem_system_state/server/LightweightSystemMonitor/linux_systemutil.cpp
@@ -254,7 +254,6 @@ uint32_t linuxUtil::getNumOfThreadsByPID(int Pid) {
 std::string linuxUtil::getIFaceMacAddress(std::string deviceName) {
     const std::string sysClassPath = "/sys/class/net/";
 
-    uint32_t Threads = 0;
     std::ifstream IFaceFile;
     IFaceFile.open(sysClassPath + deviceName + "/address");
     std::string line;