diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index 7d3de232cb35..6ae2e62b6e6d 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -8,7 +8,6 @@
 #	Original idea maybe from Keith Owens
 #	s390 port and big speedup by Arnd Bergmann <arnd@bergmann-dalldorf.de>
 #	Mips port by Juan Quintela <quintela@mandrakesoft.com>
-#	IA64 port via Andreas Dilger
 #	Arm port by Holger Schurig
 #	Random bits by Matt Mackall <mpm@selenic.com>
 #	M68k port by Geert Uytterhoeven and Andreas Schwab
@@ -69,9 +68,6 @@ my (@stack, $re, $dre, $sub, $x, $xs, $funcre, $min_stack);
 		#    2f60:    48 81 ec e8 05 00 00       sub    $0x5e8,%rsp
 		$re = qr/^.*[as][du][db]    \$(0x$x{1,8}),\%(e|r)sp$/o;
 		$dre = qr/^.*[as][du][db]    (%.*),\%(e|r)sp$/o;
-	} elsif ($arch eq 'ia64') {
-		#e0000000044011fc:       01 0f fc 8c     adds r12=-384,r12
-		$re = qr/.*adds.*r12=-(([0-9]{2}|[3-9])[0-9]{2}),r12/o;
 	} elsif ($arch eq 'm68k') {
 		#    2b6c:       4e56 fb70       linkw %fp,#-1168
 		#  1df770:       defc ffe4       addaw #-28,%sp