diff --git a/arch/nios2/include/asm/page.h b/arch/nios2/include/asm/page.h
index 7a0d9bd3a61bd0a34ba53a78217680198fabbdc0..4b32d6fd9d986409707f5b9a2766455f1d3e15a9 100644
--- a/arch/nios2/include/asm/page.h
+++ b/arch/nios2/include/asm/page.h
@@ -54,8 +54,6 @@ extern void clear_user_page(void *addr, unsigned long vaddr, struct page *page);
 extern void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
 				struct page *to);
 
-extern unsigned long shm_align_mask;
-
 /*
  * These are used to make use of C type-checking.
  */