--- ntp-4.2.6p5/configure.ac~	2012-04-25 13:26:34.000000000 +0200
+++ ntp-4.2.6p5/configure.ac	2012-04-25 14:15:08.109497385 +0200
@@ -409,19 +409,6 @@
 
 AC_HEADER_STDC
 AC_CHECK_HEADERS([bstring.h])
-AC_CHECK_HEADER(
-    [dns_sd.h],
-    [AC_CHECK_LIB(
-	[dns_sd],
-	[DNSServiceRegister],
-	[AC_DEFINE([HAVE_DNSREGISTRATION], [1],
-	    [Use Rendezvous/DNS-SD registration])]
-    )]
-)
-case "$ac_cv_lib_dns_sd_DNSServiceRegister" in
- yes)
-    LIBS="-ldns_sd $LIBS"
-esac
 AC_CHECK_HEADERS([errno.h fcntl.h ieeefp.h kvm.h math.h])
 
 AC_CHECK_HEADERS(