diff --git a/arch/unicore32/include/asm/io.h b/arch/unicore32/include/asm/io.h
index 1a5c5a5..a75ad0b 100644
--- a/arch/unicore32/include/asm/io.h
+++ b/arch/unicore32/include/asm/io.h
@@ -39,13 +39,6 @@
 #define ioremap_cached(cookie, size)	__uc32_ioremap_cached(cookie, size)
 #define iounmap(cookie)			__uc32_iounmap(cookie)
 
-/*
- * Convert a physical pointer to a virtual kernel pointer for /dev/mem
- * access
- */
-#undef xlate_dev_mem_ptr
-#define xlate_dev_mem_ptr(p)	__va(p)
-
 #define HAVE_ARCH_PIO_SIZE
 #define PIO_OFFSET		(unsigned int)(PCI_IOBASE)
 #define PIO_MASK		(unsigned int)(IO_SPACE_LIMIT)