diff --git a/reactos/ntoskrnl/mm/elf32.c b/reactos/ntoskrnl/mm/elf32.c
index 4134eee4467..b2008041590 100644
--- a/reactos/ntoskrnl/mm/elf32.c
+++ b/reactos/ntoskrnl/mm/elf32.c
@@ -11,11 +11,6 @@
 #define __ELF_WORD_SIZE 32
 #include "elf.inc.h"
 
-//#define IMAGE_FILE_MACHINE_ARM               0x01c0  // ARM little-endian
-#define IMAGE_FILE_MACHINE_AXP64             IMAGE_FILE_MACHINE_ALPHA64
-#define IMAGE_FILE_MACHINE_ALPHA64           0x0284  // Alpha AXP, full 64-bit support
-#define IMAGE_FILE_MACHINE_M32R              0x9041  // M32R little-endian
-
 extern NTSTATUS NTAPI Elf64FmtCreateSection
 (
  IN CONST VOID * FileHeader,