diff --git a/configure.ac b/configure.ac

index a7e07a9..b774f07 100644

--- a/configure.ac

+++ b/configure.ac

@@ -275,9 +275,6 @@ AC_CHECK_FUNCS([strcasecmp strncasecmp strspn strtoul])

 AC_CHECK_FUNCS([gethostbyname inet_ntoa select strrchr strstr strtol])

 AC_REPLACE_FUNCS([getopt_long_only strncasecmp])

-AC_REPLACE_FUNCS([__ns_initparse __ns_name_uncompress __ns_msg_getflag])

-dnl Magnus Holmgren says this avoids linking a private function

-AC_LIBOBJ([__ns_get16])

 AC_CONFIG_FILES([Makefile

                  Doxyfile

diff --git a/src/libreplace/Makefile.am b/src/libreplace/Makefile.am

index a5212bf..7eb0535 100644

--- a/src/libreplace/Makefile.am

+++ b/src/libreplace/Makefile.am

@@ -2,7 +2,6 @@

 MAINTAINERCLEANFILES    = Makefile.in

 EXTRA_DIST		= getopt.h \

-	arpa_nameser.h __ns_msg_getflag.c \

 	win32_config.h

 noinst_LTLIBRARIES      = libreplace.la

diff --git a/src/libreplace/arpa_nameser.h b/src/libreplace/arpa_nameser.h

index e59ca3d..6cab234 100644

--- a/src/libreplace/arpa_nameser.h

+++ b/src/libreplace/arpa_nameser.h

@@ -55,6 +55,8 @@

 #ifndef REPLACE_ARPA_NAMESER_H_

 #define REPLACE_ARPA_NAMESER_H_

+#error do not include

+

 #ifndef __P

 #  define __P(x) x

 #endif