diff --git a/OvmfPkg/LoongArchVirt/Sec/LoongArch64/Start.S b/OvmfPkg/LoongArchVirt/Sec/LoongArch64/Start.S
index dd598212353ae..f501a1988a10a 100644
--- a/OvmfPkg/LoongArchVirt/Sec/LoongArch64/Start.S
+++ b/OvmfPkg/LoongArchVirt/Sec/LoongArch64/Start.S
@@ -19,12 +19,6 @@
 #include <Protocol/DebugSupport.h>
 
 #define BOOTCORE_ID  0
-//
-// 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
 
 ASM_GLOBAL ASM_PFX(_ModuleEntryPoint)
 ASM_PFX(_ModuleEntryPoint):