diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index 9e208618d94d9d7d29c34b20ea3227e9be3f94fb..1f12c29ba8351584974052d97d292de57c786cd4 100644
--- a/arch/powerpc/include/asm/io.h
+++ b/arch/powerpc/include/asm/io.h
@@ -127,7 +127,6 @@ static inline void isync(void)
 /*
  * Non ordered and non-swapping "raw" accessors
  */
-#define __iomem
 #define PCI_FIX_ADDR(addr)	(addr)
 
 static inline unsigned char __raw_readb(const volatile void __iomem *addr)