diff --git a/src/core/kernel/init/CxbxKrnl.cpp b/src/core/kernel/init/CxbxKrnl.cpp
index 2f3f646fe..3889de9ae 100644
--- a/src/core/kernel/init/CxbxKrnl.cpp
+++ b/src/core/kernel/init/CxbxKrnl.cpp
@@ -1005,7 +1005,7 @@ static bool CxbxrKrnlPrepareXbeMap()
 }
 
 /*! initialize emulation */
-static __declspec(noreturn) void CxbxrKrnlInit(
+[[noreturn]] static void CxbxrKrnlInit(
 	void* pTLSData,
 	Xbe::TLS* pTLS,
 	Xbe::LibraryVersion* LibraryVersion,
@@ -1244,7 +1244,7 @@ static void CxbxrKrnlInitHacks()
 	g_SkipRdtscPatching = !!HackEnabled;
 }
 
-static __declspec(noreturn) void CxbxrKrnlInit
+[[noreturn]] static void CxbxrKrnlInit
 (
 	void                   *pTLSData,
 	Xbe::TLS               *pTLS,
@@ -1537,7 +1537,7 @@ static __declspec(noreturn) void CxbxrKrnlInit
 	}
 };*/
 
-__declspec(noreturn) void CxbxrKrnlAbortEx(CXBXR_MODULE cxbxr_module, const char *szErrorMessage, ...)
+[[noreturn]] void CxbxrKrnlAbortEx(CXBXR_MODULE cxbxr_module, const char *szErrorMessage, ...)
 {
     g_bEmuException = true;
 
@@ -1759,7 +1759,7 @@ void CxbxPrintUEMInfo(ULONG ErrorCode)
 	}
 }
 
-__declspec(noreturn) void CxbxKrnlTerminateThread()
+[[noreturn]] void CxbxKrnlTerminateThread()
 {
     TerminateThread(GetCurrentThread(), 0);
 }
diff --git a/src/core/kernel/init/CxbxKrnl.h b/src/core/kernel/init/CxbxKrnl.h
index c726952d1..f22a61fa5 100644
--- a/src/core/kernel/init/CxbxKrnl.h
+++ b/src/core/kernel/init/CxbxKrnl.h
@@ -147,7 +147,7 @@ bool HandleFirstLaunch();
 void CxbxKrnlEmulate(unsigned int system, blocks_reserved_t blocks_reserved);
 
 /*! cleanup emulation */
-__declspec(noreturn) void CxbxrKrnlAbortEx(CXBXR_MODULE cxbxr_module, const char *szErrorMessage, ...);
+[[noreturn]] void CxbxrKrnlAbortEx(CXBXR_MODULE cxbxr_module, const char *szErrorMessage, ...);
 
 #define CxbxrKrnlAbort(fmt, ...) CxbxrKrnlAbortEx(LOG_PREFIX, fmt, ##__VA_ARGS__)
 
@@ -170,7 +170,7 @@ void CxbxKrnlPrintUEM(ULONG ErrorCode);
 void CxbxPrintUEMInfo(ULONG ErrorCode);
 
 /*! terminate the calling thread */
-__declspec(noreturn) void CxbxKrnlTerminateThread();
+[[noreturn]] void CxbxKrnlTerminateThread();
 
 /*! kernel panic (trap for unimplemented kernel functions) */
 void CxbxKrnlPanic();