diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h
index d13d71af5cf6..c6b1dcded364 100644
--- a/arch/x86/include/asm/uaccess_64.h
+++ b/arch/x86/include/asm/uaccess_64.h
@@ -62,8 +62,6 @@ extern long __copy_user_nocache(void *dst, const void __user *src,
 				unsigned size, int zerorest);
 
 extern long __copy_user_flushcache(void *dst, const void __user *src, unsigned size);
-extern void memcpy_page_flushcache(char *to, struct page *page, size_t offset,
-			   size_t len);
 
 static inline int
 __copy_from_user_inatomic_nocache(void *dst, const void __user *src,
diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c
index 6c1f8ac5e721..f515542f017f 100644
--- a/arch/x86/lib/usercopy_64.c
+++ b/arch/x86/lib/usercopy_64.c
@@ -136,13 +136,4 @@ void __memcpy_flushcache(void *_dst, const void *_src, size_t size)
 	}
 }
 EXPORT_SYMBOL_GPL(__memcpy_flushcache);
-
-void memcpy_page_flushcache(char *to, struct page *page, size_t offset,
-		size_t len)
-{
-	char *from = kmap_atomic(page);
-
-	memcpy_flushcache(to, from + offset, len);
-	kunmap_atomic(from);
-}
 #endif