diff --git a/arch/x86/mm/page.c b/arch/x86/mm/page.c
index ed5446ae9..a73815a33 100644
--- a/arch/x86/mm/page.c
+++ b/arch/x86/mm/page.c
@@ -81,6 +81,7 @@ static size_t* const self[PAGE_LEVELS] = {
 	(size_t *) 0xFFFFFFFFFFFFF000
 };
 
+#if 0
 /** An other self-reference for page_map_copy() */
 static size_t * const other[PAGE_LEVELS] = {
 	(size_t *) 0xFFFFFF0000000000,
@@ -89,6 +90,7 @@ static size_t * const other[PAGE_LEVELS] = {
 	(size_t *) 0xFFFFFFFFFFFFE000
 };
 #endif
+#endif
 
 static uint8_t expect_zeroed_pages = 0;