diff --git a/ecmascript/compiler/codegen/maple/maple_util/include/mpl_logging.h b/ecmascript/compiler/codegen/maple/maple_util/include/mpl_logging.h
index 4de056cfd4fb257d4ce95f22f3293b439c378674..c60ebc04ef1e791b3e2f20fcc8647048ae1f54a2 100644
--- a/ecmascript/compiler/codegen/maple/maple_util/include/mpl_logging.h
+++ b/ecmascript/compiler/codegen/maple/maple_util/include/mpl_logging.h
@@ -184,16 +184,6 @@ private:
 #define DBG(tag, fmt, ...)
 #endif // IS_RELEASE_VERSION
 
-// #ifdef LOG
-// #undef LOG
-// #endif
-// #define LOG(tag, fmt, ...)                                                                      \
-//   do {                                                                                          \
-//     if (PRINT_LEVEL_DEV <= kLlLog) {                                                            \
-//       logInfo.EmitLogForDev(tag, kLlLog, __FILE__, __FUNCTION__, __LINE__, fmt, ##__VA_ARGS__); \
-//     }                                                                                                \
-//   } while (0)
-
 #ifdef CHECK
 #undef CHECK
 #endif
diff --git a/ecmascript/jit/jit_thread.cpp b/ecmascript/jit/jit_thread.cpp
index 5db604a2c80a8f83280d8cb9921293458b223745..c8da88f7c6976f560e6911b46472760e05daa0ba 100644
--- a/ecmascript/jit/jit_thread.cpp
+++ b/ecmascript/jit/jit_thread.cpp
@@ -53,13 +53,12 @@ JitVM *JitVM::Create()
 
 JitVM::~JitVM()
 {
+    jitThread_ = nullptr;
 }
 
 void JitVM::Destroy(EcmaVM *compilerVm)
 {
     JitVM *jitVM = static_cast<JitVM*>(compilerVm);
-    delete jitVM->jitThread_;
-    jitVM->jitThread_ = nullptr;
 
     delete jitVM;
 }