diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
index 433751b2a003309bb2a449888ac5b48f6f747d3c..940f5fc1d1da13f3988fe99fd69a7d02e0825c8d 100644
--- a/arch/microblaze/include/asm/io.h
+++ b/arch/microblaze/include/asm/io.h
@@ -69,12 +69,4 @@ extern void __iomem *ioremap(phys_addr_t address, unsigned long size);
 
 #include <asm-generic/io.h>
 
-#define readb_relaxed	readb
-#define readw_relaxed	readw
-#define readl_relaxed	readl
-
-#define writeb_relaxed	writeb
-#define writew_relaxed	writew
-#define writel_relaxed	writel
-
 #endif /* _ASM_MICROBLAZE_IO_H */