diff --git a/bin/tests/system/v6synth/clean.sh b/bin/tests/system/v6synth/clean.sh
deleted file mode 100644
index c3b7d947af..0000000000
--- a/bin/tests/system/v6synth/clean.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/sh
-#
-# Copyright (C) 2001, 2004, 2007, 2012, 2014, 2016  Internet Systems Consortium, Inc. ("ISC")
-#
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-# $Id: clean.sh,v 1.5 2007/09/26 03:22:44 marka Exp $
-
-rm -f *.out
-rm -f */named.memstats
-rm -f ns*/named.lock
diff --git a/bin/tests/system/v6synth/ns1/named.conf b/bin/tests/system/v6synth/ns1/named.conf
deleted file mode 100644
index 2fa2e87008..0000000000
--- a/bin/tests/system/v6synth/ns1/named.conf
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2001, 2004, 2007, 2016  Internet Systems Consortium, Inc. ("ISC")
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-/* $Id: named.conf,v 1.5 2007/06/19 23:47:06 tbox Exp $ */
-
-controls { /* empty */ };
-
-options {
-	query-source address 10.53.0.1;
-	notify-source 10.53.0.1;
-	transfer-source 10.53.0.1;
-	port 5300;
-	pid-file "named.pid";
-	listen-on { 10.53.0.1; };
-	listen-on-v6 { none; };
-	recursion no;
-	notify yes;
-};
-
-zone "." {
-	type master;
-	file "root.db";
-};
diff --git a/bin/tests/system/v6synth/ns1/root.db b/bin/tests/system/v6synth/ns1/root.db
deleted file mode 100644
index 3535dd0dae..0000000000
--- a/bin/tests/system/v6synth/ns1/root.db
+++ /dev/null
@@ -1,24 +0,0 @@
-; Copyright (C) 2001, 2004, 2007, 2016  Internet Systems Consortium, Inc. ("ISC")
-;
-; This Source Code Form is subject to the terms of the Mozilla Public
-; License, v. 2.0. If a copy of the MPL was not distributed with this
-; file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-; $Id: root.db,v 1.4 2007/06/19 23:47:06 tbox Exp $
-
-$TTL 300
-. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
-				2000042100   	; serial
-				600         	; refresh
-				600         	; retry
-				1200    	; expire
-				600       	; minimum
-				)
-.			NS	a.root-servers.nil.
-a.root-servers.nil.	A	10.53.0.1
-
-example.		NS	ns2.example.
-ns2.example.		A	10.53.0.2
-
-ip6.int.		NS	ns2.example.
-ip6.arpa.		NS	ns2.example.
diff --git a/bin/tests/system/v6synth/ns2/example.db b/bin/tests/system/v6synth/ns2/example.db
deleted file mode 100644
index 306a2546de..0000000000
--- a/bin/tests/system/v6synth/ns2/example.db
+++ /dev/null
@@ -1,29 +0,0 @@
-; Copyright (C) 2001, 2004, 2007, 2016  Internet Systems Consortium, Inc. ("ISC")
-;
-; This Source Code Form is subject to the terms of the Mozilla Public
-; License, v. 2.0. If a copy of the MPL was not distributed with this
-; file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-; $Id: example.db,v 1.4 2007/06/19 23:47:06 tbox Exp $
-
-$TTL 86400
-@                       IN SOA  ns2 hostmaster (
-                                        2001010604 3600 1800 1814400 3600 )
-                        NS      ns2.example.
-ns2.example.		A	10.53.0.2
-
-a                       A       10.0.0.1
-aaaa                    AAAA    12:34:56::ff
-a6                      A6      0 12:34:56::ff
-chain                   A6      64 0::ff:ff prefix
-prefix                  A6      0 12:34:56::0
-alias                   CNAME   chain
-alias2                  CNAME   alias
-dname                   DNAME   foo
-
-loop                    CNAME   loop
-
-loop2                   CNAME   loop3
-loop3                   CNAME   loop2
-
-aaaa.foo                AAAA    12:34:56::ff
diff --git a/bin/tests/system/v6synth/ns2/ip6.arpa.db b/bin/tests/system/v6synth/ns2/ip6.arpa.db
deleted file mode 100644
index 203a2ca6d6..0000000000
--- a/bin/tests/system/v6synth/ns2/ip6.arpa.db
+++ /dev/null
@@ -1,15 +0,0 @@
-; Copyright (C) 2001, 2002, 2004, 2007, 2016  Internet Systems Consortium, Inc. ("ISC")
-;
-; This Source Code Form is subject to the terms of the Mozilla Public
-; License, v. 2.0. If a copy of the MPL was not distributed with this
-; file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-; $Id: ip6.arpa.db,v 1.5 2007/06/19 23:47:06 tbox Exp $
-
-$TTL 86400
-@                       IN SOA  ns2 hostmaster (
-                                        2001010604 3600 1800 1814400 3600 )
-                        NS      ns2.example.
-ns2.example.		A	10.53.0.2
-
-f.f.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.6.5.4.3.2.1	PTR foo.
diff --git a/bin/tests/system/v6synth/ns2/ip6.int.db b/bin/tests/system/v6synth/ns2/ip6.int.db
deleted file mode 100644
index 19bd18d6ef..0000000000
--- a/bin/tests/system/v6synth/ns2/ip6.int.db
+++ /dev/null
@@ -1,15 +0,0 @@
-; Copyright (C) 2001, 2004, 2007, 2016  Internet Systems Consortium, Inc. ("ISC")
-;
-; This Source Code Form is subject to the terms of the Mozilla Public
-; License, v. 2.0. If a copy of the MPL was not distributed with this
-; file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-; $Id: ip6.int.db,v 1.4 2007/06/19 23:47:06 tbox Exp $
-
-$TTL 86400
-@                       IN SOA  ns2 hostmaster (
-                                        2001010604 3600 1800 1814400 3600 )
-                        NS      ns2.example.
-ns2.example.		A	10.53.0.2
-
-f.f.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.6.5.4.3.2.1	PTR bar.
diff --git a/bin/tests/system/v6synth/ns2/named.conf b/bin/tests/system/v6synth/ns2/named.conf
deleted file mode 100644
index 82347d5724..0000000000
--- a/bin/tests/system/v6synth/ns2/named.conf
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (C) 2001, 2004, 2007, 2016, 2017  Internet Systems Consortium, Inc. ("ISC")
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-/* $Id: named.conf,v 1.6 2007/06/18 23:47:31 tbox Exp $ */
-
-controls { /* empty */ };
-
-options {
-	query-source address 10.53.0.2;
-	notify-source 10.53.0.2;
-	transfer-source 10.53.0.2;
-	port 5300;
-	pid-file "named.pid";
-	listen-on { 10.53.0.2; };
-	listen-on-v6 { none; };
-	recursion yes;
-	notify yes;
-};
-
-zone "example" {
-	type master;
-	file "example.db";
-};
-
-zone "ip6.int" {
-	type master;
-	file "ip6.int.db";
-};
-
-zone "ip6.arpa" {
-	type master;
-	file "ip6.arpa.db";
-};
-
diff --git a/bin/tests/system/v6synth/ns3/named.conf b/bin/tests/system/v6synth/ns3/named.conf
deleted file mode 100644
index c794c221ca..0000000000
--- a/bin/tests/system/v6synth/ns3/named.conf
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2001, 2004, 2007, 2016, 2017  Internet Systems Consortium, Inc. ("ISC")
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-/* $Id: named.conf,v 1.6 2007/06/18 23:47:31 tbox Exp $ */
-
-controls { /* empty */ };
-
-options {
-	query-source address 10.53.0.3;
-	notify-source 10.53.0.3;
-	transfer-source 10.53.0.3;
-	port 5300;
-	pid-file "named.pid";
-	listen-on { 10.53.0.3; };
-	listen-on-v6 { none; };
-	recursion yes;
-	notify yes;
-	allow-v6-synthesis { any; };
-};
-
-zone "." {
-	type hint;
-	file "../../common/root.hint";
-};
diff --git a/bin/tests/system/v6synth/tests.sh b/bin/tests/system/v6synth/tests.sh
deleted file mode 100644
index dea54c8edb..0000000000
--- a/bin/tests/system/v6synth/tests.sh
+++ /dev/null
@@ -1,62 +0,0 @@
-#!/bin/sh
-#
-# Copyright (C) 2001, 2004, 2007, 2012, 2016  Internet Systems Consortium, Inc. ("ISC")
-#
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-# $Id: tests.sh,v 1.4 2007/06/19 23:47:06 tbox Exp $
-
-SYSTEMTESTTOP=..
-. $SYSTEMTESTTOP/conf.sh
-
-# ns1 = root server
-# ns2 = authoritative server
-# ns3 = recursive server doing v6 synthesis
-
-status=0
-
-DIGOPTS="+tcp +noadd +nosea +nostat +noquest +nocomm +nocmd"
-
-for name in aaaa a6 chain alias2 aaaa.dname loop loop2
-do
-    $DIG $DIGOPTS $name.example. aaaa @10.53.0.3 -p 5300
-    echo
-done >dig.out
-
-for i in 1 2
-do
-    $DIG $DIGOPTS f.f.$i.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.6.5.4.3.2.1.ip6.int. PTR @10.53.0.3 -p 5300
-    echo
-done >>dig.out
-
-cat <<EOF >good.out
-aaaa.example.		0	IN	AAAA	12:34:56::ff
-
-a6.example.		0	IN	AAAA	12:34:56::ff
-
-chain.example.		0	IN	AAAA	12:34:56::ff:ff
-
-alias2.example.		0	IN	CNAME	alias.example.
-alias.example.		0	IN	CNAME	chain.example.
-chain.example.		0	IN	AAAA	12:34:56::ff:ff
-
-aaaa.dname.example.	0	IN	CNAME	aaaa.foo.example.
-aaaa.foo.example.	0	IN	AAAA	12:34:56::ff
-
-loop.example.		0	IN	CNAME	loop.example.
-
-loop2.example.		0	IN	CNAME	loop3.example.
-loop3.example.		0	IN	CNAME	loop2.example.
-
-f.f.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.6.5.4.3.2.1.ip6.int. 0 IN PTR foo.
-
-f.f.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.6.5.4.3.2.1.ip6.int. 0 IN PTR bar.
-
-EOF
-
-diff good.out dig.out || status=1
-
-echo "I:exit status: $status"
-[ $status -eq 0 ] || exit 1