diff --git a/configure.in b/configure.in
index 08bbd165a..539c4eee8 100644
--- a/configure.in
+++ b/configure.in
@@ -79,100 +79,12 @@ fi
 AM_CONDITIONAL(PKINIT, test "$enable_pk_init" != no)
 
 
-rk_TEST_PACKAGE(krb4,[#include <krb.h>],-lkrb,-ldes,/usr/athena, KRB4, krb4-config)
+dnl no kerberos4 any more
+with_krb4=no
+AC_SUBST(INCLUDE_krb4)
+AC_SUBST(LIB_krb4)
+AM_CONDITIONAL(KRB4, false)
 
-LIB_kdb=
-if test "$with_krb4" != "no"; then
-	save_CFLAGS="$CFLAGS"
-	CFLAGS="$CFLAGS $INCLUDE_krb4"
-	save_LIBS="$LIBS"
-	LIBS="$LIB_krb4 $LIBS"
-	EXTRA_LIB45=lib45.a
-	AC_SUBST(EXTRA_LIB45)
-	AC_CACHE_CHECK(for four valued krb_put_int, ac_cv_func_krb_put_int_four,
-		[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <krb.h>]], [[
-		char tmp[4];
-		krb_put_int(17, tmp, 4, sizeof(tmp));]])],
-		[ac_cv_func_krb_put_int_four=yes],
-		[ac_cv_func_krb_put_int_four=no])
-	])
-	if test "$ac_cv_func_krb_put_int_four" = yes; then
-		AC_DEFINE(HAVE_FOUR_VALUED_KRB_PUT_INT, 1,
-			[define if krb_put_int takes four arguments.])
-	fi
-	AH_BOTTOM([#if defined(HAVE_FOUR_VALUED_KRB_PUT_INT) || !defined(KRB4)
-#define KRB_PUT_INT(F, T, L, S) krb_put_int((F), (T), (L), (S))
-#else
-#define KRB_PUT_INT(F, T, L, S) krb_put_int((F), (T), (S))
-#endif
-])
-	AC_CACHE_CHECK(for KRB_VERIFY_SECURE, ac_cv_func_krb_verify_secure,
-		[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <krb.h>]], [[
-		int x = KRB_VERIFY_SECURE]])],
-		[ac_cv_func_krb_verify_secure=yes],
-		[ac_cv_func_krb_verify_secure=no])
-	])
-	if test "$ac_cv_func_krb_verify_secure" != yes; then
-		AC_DEFINE(KRB_VERIFY_SECURE, 1,
-			[Define to one if your krb.h doesn't])
-		AC_DEFINE(KRB_VERIFY_SECURE_FAIL, 2,
-			[Define to two if your krb.h doesn't])
-	fi
-	AC_CACHE_CHECK(for KRB_VERIFY_NOT_SECURE,
-		ac_cv_func_krb_verify_not_secure,
-		[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <krb.h>]], [[
-		int x = KRB_VERIFY_NOT_SECURE]])],
-		[ac_cv_func_krb_verify_not_secure=yes],
-		[ac_cv_func_krb_verify_not_secure=no])
-	])
-	if test "$ac_cv_func_krb_verify_not_secure" != yes; then
-		AC_DEFINE(KRB_VERIFY_NOT_SECURE, 0,
-			[Define to zero if your krb.h doesn't])
-	fi
-	AC_FIND_FUNC(krb_enable_debug)
-	AC_FIND_FUNC(krb_disable_debug)
-	AC_FIND_FUNC(krb_get_our_ip_for_realm)
-	AC_FIND_FUNC(krb_kdctimeofday)
-	AH_BOTTOM(
-	[#ifndef HAVE_KRB_KDCTIMEOFDAY
-#define krb_kdctimeofday(X) gettimeofday((X), NULL)
-#endif])
-	AC_FIND_FUNC(krb_get_kdc_time_diff)
-	AH_BOTTOM(
-	[#ifndef HAVE_KRB_GET_KDC_TIME_DIFF
-#define krb_get_kdc_time_diff() (0)
-#endif])
-	AC_CACHE_CHECK([for KRB_SENDAUTH_VERS],
-		ac_cv_func_krb_sendauth_vers,
-		[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <krb.h>
-			#include <prot.h>]], [[
-		char *x = KRB_SENDAUTH_VERS]])],
-		[ac_cv_func_krb_sendauth_vers=yes],
-		[ac_cv_func_krb_sendauth_vers=no])
-	])
-	if test "$ac_cv_func_krb_sendauth_vers" != yes; then
-		AC_DEFINE(KRB_SENDAUTH_VERS, ["AUTHV0.1"],
-			[This is the krb4 sendauth version.])
-	fi
-	AC_CACHE_CHECK(for krb_mk_req with const arguments,
-		ac_cv_func_krb_mk_req_const,
-		[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <krb.h>
-		int krb_mk_req(KTEXT a, const char *s, const char *i,
-			       const char *r, int32_t checksum)
-		{ return 17; }]], [[]])],
-		[ac_cv_func_krb_mk_req_const=yes],
-		[ac_cv_func_krb_mk_req_const=no])
-	])
-	if test "$ac_cv_func_krb_mk_req_const" = "yes"; then
-		AC_DEFINE(KRB_MK_REQ_CONST, 1,
-			[Define if krb_mk_req takes const char *])
-	fi
-
-	LIBS="$save_LIBS"
-	CFLAGS="$save_CFLAGS"
-	LIB_kdb="-lkdb -lkrb"
-fi
-AM_CONDITIONAL(KRB4, test "$with_krb4" != "no")
 AM_CONDITIONAL(KRB5, true)
 AM_CONDITIONAL(do_roken_rename, true)