diff --git a/arch/arm/include/asm/pgtable-nommu.h b/arch/arm/include/asm/pgtable-nommu.h
index ffc0e85775b4cff15586897cac32758dc0dda687..7ec60d6075bf47f94fbec24b3f5dd64014fd643b 100644
--- a/arch/arm/include/asm/pgtable-nommu.h
+++ b/arch/arm/include/asm/pgtable-nommu.h
@@ -79,7 +79,6 @@ extern unsigned int kobjsize(const void *objp);
  * No page table caches to initialise.
  */
 #define pgtable_cache_init()	do { } while (0)
-#define io_remap_page_range	remap_page_range
 #define io_remap_pfn_range	remap_pfn_range
 
 
diff --git a/arch/c6x/include/asm/pgtable.h b/arch/c6x/include/asm/pgtable.h
index 68c8af4f1f971ad9039ffd4ef659bebe0bf56273..38a4312eb2cb32482ff82b172e2a37136597bff2 100644
--- a/arch/c6x/include/asm/pgtable.h
+++ b/arch/c6x/include/asm/pgtable.h
@@ -73,9 +73,6 @@ extern unsigned long empty_zero_page;
 #define pgtable_cache_init()   do { } while (0)
 #define io_remap_pfn_range      remap_pfn_range
 
-#define io_remap_page_range(vma, vaddr, paddr, size, prot)		\
-		remap_pfn_range(vma, vaddr, (paddr) >> PAGE_SHIFT, size, prot)
-
 #include <asm-generic/pgtable.h>
 
 #endif /* _ASM_C6X_PGTABLE_H */
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h
index b2af42311a1267057d97c6fa4be27647c61a3fb9..44dc67aa02773d577ab606d04109763956512432 100644
--- a/arch/microblaze/include/asm/pgtable.h
+++ b/arch/microblaze/include/asm/pgtable.h
@@ -543,8 +543,6 @@ extern unsigned long iopa(unsigned long addr);
 /* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
 #define kern_addr_valid(addr)	(1)
 
-#define io_remap_page_range remap_page_range
-
 /*
  * No page table caches to initialise
  */
diff --git a/arch/openrisc/include/asm/pgtable.h b/arch/openrisc/include/asm/pgtable.h
index 043505d7f684c9ce292da8e1d8e67920f33e53f8..14c900cfd30a2f90e26e8a6ff5bf08097eacd5b1 100644
--- a/arch/openrisc/include/asm/pgtable.h
+++ b/arch/openrisc/include/asm/pgtable.h
@@ -455,7 +455,6 @@ static inline void update_mmu_cache(struct vm_area_struct *vma,
  * No page table caches to initialise
  */
 #define pgtable_cache_init()		do { } while (0)
-#define io_remap_page_range		remap_page_range
 
 typedef pte_t *pte_addr_t;