diff --git a/src/flashcart/ed64/ed64_ll.h b/src/flashcart/ed64/ed64_ll.h
index 42156faf..676cd78e 100644
--- a/src/flashcart/ed64/ed64_ll.h
+++ b/src/flashcart/ed64/ed64_ll.h
@@ -14,9 +14,7 @@
 
 // FIXME: redefined because its in a .c instead of a .h
 #define PI_BASE_REG		    0x04600000
-#define IO_READ(addr)       (*(volatile uint32_t *)PHYS_TO_K1(addr))
-#define IO_WRITE(addr,data) \
-        (*(volatile uint32_t *)PHYS_TO_K1(addr) = (uint32_t)(data))
+///////////////////////////////////////////////////////
 
 #define PIF_RAM_START		0x1FC007C0
 #define	PI_STATUS_ERROR		0x04
@@ -38,6 +36,7 @@
 #define PI_BSD_DOM2_PWD_REG     (PI_BASE_REG+0x28)
 #define PI_BSD_DOM2_PGS_REG     (PI_BASE_REG+0x2C)
 #define PI_BSD_DOM2_RLS_REG     (PI_BASE_REG+0x30)
+///////////////////////////////////////////////////////
 
 #define	PHYS_TO_K0(x)	((unsigned long)(x)|0x80000000)	/* physical to kseg0 */
 #define	K0_TO_PHYS(x)	((unsigned long)(x)&0x1FFFFFFF)	/* kseg0 to physical */