diff --git a/kernel/arch/i386/klib.S b/kernel/arch/i386/klib.S
index 5c0c4f679..648c5cb0a 100644
--- a/kernel/arch/i386/klib.S
+++ b/kernel/arch/i386/klib.S
@@ -129,22 +129,6 @@ csinit:
 	pop	%ebp
 	ret
 
-/*===========================================================================*/
-/*				exit					     */
-/*===========================================================================*/
-/*
- * PUBLIC void exit(); 
- * Some library routines use exit, so provide a dummy version. 
- * Actual calls to exit cannot occur in the kernel. 
- * GNU CC likes to call ___main from main() for nonobvious reasons. 
- */
-#ifdef __ACK__
-ENTRY(exit)
-ENTRY(_exit)
-ENTRY(__exit)
-	sti
-	jmp	_C_LABEL(__exit)
-#endif
 
 ENTRY(__main)
 	ret
diff --git a/kernel/arch/i386/mpx.S b/kernel/arch/i386/mpx.S
index 43b77926b..13ed04009 100644
--- a/kernel/arch/i386/mpx.S
+++ b/kernel/arch/i386/mpx.S
@@ -26,22 +26,6 @@
 /* sections */
 
 #include <machine/vm.h>
-
-#ifdef __ACK__
-.text
-begtext:
-#ifdef __ACK__
-.rom
-#else
-.data
-#endif
-begrom:
-.data
-begdata:
-.bss
-begbss:
-#endif
-
 #include "../../kernel.h"
 #include <minix/config.h>
 #include <minix/const.h>
@@ -70,10 +54,6 @@ IMPORT(mon_ds)
 IMPORT(switch_to_user)
 IMPORT(multiboot_init)
 
-/* Exported variables. */
-.globl	begbss
-.globl	begdata
-
 .text
 /*===========================================================================*/
 /*				MINIX					     */
@@ -636,11 +616,7 @@ ENTRY(startup_ap_32)
 /*				data					     */
 /*===========================================================================*/
 
-#ifdef __ACK__
-.rom	/* Before the string table please */
-#else
 .data
-#endif
 .short	0x526F	/* this must be the first data entry (magic #) */
 .bss
 /*