Index: arch/ia32/src/smp/ap.S
===================================================================
--- arch/ia32/src/smp/ap.S	(revision f9e542292ba653211e72c9c8b5a21a410cdd6aa9)
+++ arch/ia32/src/smp/ap.S	(revision db64c0939b506793094629fdbe2f7237c5f20180)
@@ -70,9 +70,4 @@
 	call map_kernel					# map kernel and turn paging on
 	
-	movb $0xd1, %al					# enable A20 using the keyboard controller
-	outb %al, $0x64
-	movb $0xdf, %al
-	outb %al, $0x60
-
 	jmpl $KTEXT, $main_ap