diff --git a/UefiCpuPkg/CpuDxe/LoongArch64/CpuDxe.h b/UefiCpuPkg/CpuDxe/LoongArch64/CpuDxe.h
index 8bfbfa3442..f69d83da21 100644
--- a/UefiCpuPkg/CpuDxe/LoongArch64/CpuDxe.h
+++ b/UefiCpuPkg/CpuDxe/LoongArch64/CpuDxe.h
@@ -27,13 +27,6 @@
 #include <Protocol/DebugSupport.h>
 #include <Protocol/LoadedImage.h>
 
-//
-// For coding convenience, define the maximum valid
-// LoongArch exception.
-// Since UEFI V2.11, it will be present in DebugSupport.h.
-//
-#define MAX_LOONGARCH_EXCEPTION  64
-
 /*
   This function flushes the range of addresses from Start to Start+Length
   from the processor's data cache. If Start is not aligned to a cache line
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/LoongArch/ExceptionCommon.h b/UefiCpuPkg/Library/CpuExceptionHandlerLib/LoongArch/ExceptionCommon.h
index e326b73e3f..6b65001738 100644
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/LoongArch/ExceptionCommon.h
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/LoongArch/ExceptionCommon.h
@@ -12,13 +12,6 @@
 
 #define MAX_DEBUG_MESSAGE_LENGTH  0x100
 
-//
-// For coding convenience, define the maximum valid
-// LoongArch exception.
-// Since UEFI V2.11, it will be present in DebugSupport.h.
-//
-#define MAX_LOONGARCH_EXCEPTION  64
-
 extern INTN  mExceptionKnownNameNum;
 
 /**
diff --git a/UefiCpuPkg/Library/CpuMmuLib/LoongArch64/Page.h b/UefiCpuPkg/Library/CpuMmuLib/LoongArch64/Page.h
index b115245d68..2fcfbd2f74 100644
--- a/UefiCpuPkg/Library/CpuMmuLib/LoongArch64/Page.h
+++ b/UefiCpuPkg/Library/CpuMmuLib/LoongArch64/Page.h
@@ -23,11 +23,4 @@
 #define PTE_PPN_SHIFT             EFI_PAGE_SHIFT
 #define LOONGARCH_MMU_PAGE_SHIFT  EFI_PAGE_SHIFT
 
-//
-// For coding convenience, define the maximum valid
-// LoongArch exception.
-// Since UEFI V2.11, it will be present in DebugSupport.h.
-//
-#define MAX_LOONGARCH_EXCEPTION  64
-
 #endif // PAGE_H_