diff --git a/desmume/src/ARM9.h b/desmume/src/ARM9.h
deleted file mode 100644
index 4678ebd8d..000000000
--- a/desmume/src/ARM9.h
+++ /dev/null
@@ -1,29 +0,0 @@
-#ifndef ARM9_H
-#define ARM9_H
-
-#include "types.h"
-
-typedef struct {
-        //ARM9 mem
-        u8 ARM9_ITCM[0x8000];
-        u8 ARM9_DTCM[0x4000];
-        u8 ARM9_WRAM[0x1000000];
-        u8 MAIN_MEM[0x400000];
-        u8 ARM9_REG[0x1000000];
-        u8 ARM9_BIOS[0x8000];
-        u8 ARM9_VMEM[0x800];
-        u8 ARM9_ABG[0x80000];
-        u8 ARM9_BBG[0x20000];
-        u8 ARM9_AOBJ[0x40000];
-        u8 ARM9_BOBJ[0x20000];
-        u8 ARM9_LCD[0xA4000];
-        u8 ARM9_OAM[0x800];
-
-        u8 * ExtPal[2][4];
-        u8 * ObjExtPal[2][2];
-        u8 * texPalSlot[4];
-} ARM9_struct;
-
-extern ARM9_struct ARM9;
-
-#endif