diff --git a/arch/arm/mach-vexpress/include/mach/io.h b/arch/arm/mach-vexpress/include/mach/io.h
index 748bb524ee716ed2e5f0ba5b7105b5e1ab6b25d5..13522d86685e2daa5f77bbe2d37c12d30e8e0ddc 100644
--- a/arch/arm/mach-vexpress/include/mach/io.h
+++ b/arch/arm/mach-vexpress/include/mach/io.h
@@ -20,8 +20,6 @@
 #ifndef __ASM_ARM_ARCH_IO_H
 #define __ASM_ARM_ARCH_IO_H
 
-#define IO_SPACE_LIMIT 0xffffffff
-
 #define __io(a)		__typesafe_io(a)
 #define __mem_pci(a)	(a)