diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 907f3da9cce3..30ced8d7282c 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -502,6 +502,7 @@ config ARCH_IXP4XX
 	select HAVE_SCHED_CLOCK
 	select MIGHT_HAVE_PCI
 	select DMABOUNCE if PCI
+	select NO_MACH_MEMORY_H
 	help
 	  Support for Intel's IXP4XX (XScale) family of processors.
 
diff --git a/arch/arm/mach-ixp4xx/include/mach/memory.h b/arch/arm/mach-ixp4xx/include/mach/memory.h
deleted file mode 100644
index 4caf1761f1e2..000000000000
--- a/arch/arm/mach-ixp4xx/include/mach/memory.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * arch/arm/mach-ixp4xx/include/mach/memory.h
- *
- * Copyright (c) 2001-2004 MontaVista Software, Inc.
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#include <asm/sizes.h>
-
-/*
- * Physical DRAM offset.
- */
-#define PLAT_PHYS_OFFSET	UL(0x00000000)
-
-#endif