Index: kernel/arch/ia32/include/mm/as.h
===================================================================
--- kernel/arch/ia32/include/mm/as.h	(revision b678410d7e2eada8e2e3f65aaf7c4efc831777d6)
+++ kernel/arch/ia32/include/mm/as.h	(revision 1b3e8549153c45754eeae954067e77cd51aca026)
@@ -43,6 +43,4 @@
 #define USER_ADDRESS_SPACE_END_ARCH      UINT32_C(0x7fffffff)
 
-#define USTACK_ADDRESS_ARCH  (USER_ADDRESS_SPACE_END_ARCH - (PAGE_SIZE - 1))
-
 typedef struct {
 } as_arch_t;