diff --git a/configure b/configure
index efcf914..6fbf165 100755
--- a/configure
+++ b/configure
@@ -7292,135 +7292,6 @@ else
 fi
 
 
-if test $ipv6 != yes; then
-	have_v6="no"
-else
-{ echo "$as_me:$LINENO: checking for core IPv6 support" >&5
-echo $ECHO_N "checking for core IPv6 support... $ECHO_C" >&6; }
-
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#define IN_AUTOCONF
-	#include <sys/types.h>
-	#include <sys/socket.h>
-	#include <netinet/in.h>
-int
-main ()
-{
-struct sockaddr_in6 s;
-	  s.sin6_family = 0;
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-
-	if test "$CYGWIN" = "yes"; then
-		{ echo "$as_me:$LINENO: result: no, Cygwin's IPv6 is incomplete" >&5
-echo "${ECHO_T}no, Cygwin's IPv6 is incomplete" >&6; }
-		have_v6=no
-	else
-		have_v6=yes
-
-cat >>confdefs.h <<\_ACEOF
-#define IPV6 1
-_ACEOF
-
-		{ echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; }
-		{ echo "$as_me:$LINENO: checking for struct in6addr_any" >&5
-echo $ECHO_N "checking for struct in6addr_any... $ECHO_C" >&6; }
-		cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#define IN_AUTOCONF
-				#include <sys/types.h>
-				#include <sys/socket.h>
-				#include <netinet/in.h>
-int
-main ()
-{
-struct in6_addr a = in6addr_any;
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  { echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; }
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-				{ echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define NO_IN6ADDR_ANY 1
-_ACEOF
-
-				inet_misc=1
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-	fi
-
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	{ echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
-have_v6="no"
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-
 { echo "$as_me:$LINENO: checking for library containing crypt" >&5
 echo $ECHO_N "checking for library containing crypt... $ECHO_C" >&6; }
 if test "${ac_cv_search_crypt+set}" = set; then
@@ -15540,7 +15411,6 @@ Configuration:
 
 	Ziplinks           : $zlib
 	OpenSSL            : $openssl
-	IPv6 support       : $have_v6
 	Socket Engine      : $SELECT_TYPE
 	Small network      : $small_net
 	Block allocator    : $balloc