diff --git a/example/extension/light/2.0/default/service.cpp b/example/extension/light/2.0/default/service.cpp
index 55121d9..d21afa6 100644
--- a/example/extension/light/2.0/default/service.cpp
+++ b/example/extension/light/2.0/default/service.cpp
@@ -1,15 +1,7 @@
 #define LOG_TAG "android.hardware.light@2.0-service"
+
 #include <utils/Log.h>
 
-// #include <iostream>
-// #include <unistd.h>
-
-// #include <hidl/IServiceManager.h>
-// #include <hwbinder/IPCThreadState.h>
-// #include <hwbinder/ProcessState.h>
-// #include <utils/Errors.h>
-// #include <utils/StrongPointer.h>
-
 #include "Light.h"
 
 using android::sp;