diff --git a/arch/alpha/include/asm/mmzone.h b/arch/alpha/include/asm/mmzone.h
index c5b5d6bac9ed..14ce27bccd24 100644
--- a/arch/alpha/include/asm/mmzone.h
+++ b/arch/alpha/include/asm/mmzone.h
@@ -71,8 +71,6 @@ PLAT_NODE_DATA_LOCALNR(unsigned long p, int n)
 
 #define virt_to_page(kaddr)	pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
 
-#define VALID_PAGE(page)	(((page) - mem_map) < max_mapnr)
-
 #define pmd_page(pmd)		(pfn_to_page(pmd_val(pmd) >> 32))
 #define pgd_page(pgd)		(pfn_to_page(pgd_val(pgd) >> 32))
 #define pte_pfn(pte)		(pte_val(pte) >> 32)