diff --git a/bin/tests/system/synthfromdnssec/ns1/named.conf.in b/bin/tests/system/synthfromdnssec/ns1/named.conf.j2
similarity index 90%
rename from bin/tests/system/synthfromdnssec/ns1/named.conf.in
rename to bin/tests/system/synthfromdnssec/ns1/named.conf.j2
index e0ff8da1c5..f409fe2891 100644
--- a/bin/tests/system/synthfromdnssec/ns1/named.conf.in
+++ b/bin/tests/system/synthfromdnssec/ns1/named.conf.j2
@@ -35,7 +35,11 @@ controls {
 	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
 };
 
-include "statistics-channels.conf";
+{% if FEATURE_LIBXML2 == "1" or FEATURE_JSON_C == "1" %}
+statistics-channels {
+	inet 10.53.0.1 port @EXTRAPORT1@ allow { any; };
+};
+{% endif %}
 
 zone "." {
 	type primary;
diff --git a/bin/tests/system/synthfromdnssec/ns1/statistics-channels.conf.in b/bin/tests/system/synthfromdnssec/ns1/statistics-channels.conf.in
deleted file mode 100644
index 12a1e27003..0000000000
--- a/bin/tests/system/synthfromdnssec/ns1/statistics-channels.conf.in
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
- *
- * SPDX-License-Identifier: MPL-2.0
- *
- * 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 https://mozilla.org/MPL/2.0/.
- *
- * See the COPYRIGHT file distributed with this work for additional
- * information regarding copyright ownership.
- */
-
-statistics-channels {
-        inet 10.53.0.1 port @EXTRAPORT1@ allow { any; };
-};
diff --git a/bin/tests/system/synthfromdnssec/ns2/named.conf.in b/bin/tests/system/synthfromdnssec/ns2/named.conf.j2
similarity index 88%
rename from bin/tests/system/synthfromdnssec/ns2/named.conf.in
rename to bin/tests/system/synthfromdnssec/ns2/named.conf.j2
index efcf7e5d78..ca326e5d23 100644
--- a/bin/tests/system/synthfromdnssec/ns2/named.conf.in
+++ b/bin/tests/system/synthfromdnssec/ns2/named.conf.j2
@@ -35,7 +35,11 @@ controls {
 	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
 };
 
-include "statistics-channels.conf";
+{% if FEATURE_LIBXML2 == "1" or FEATURE_JSON_C == "1" %}
+statistics-channels {
+	inet 10.53.0.2 port @EXTRAPORT1@ allow { any; };
+};
+{% endif %}
 
 zone "." {
 	type hint;
diff --git a/bin/tests/system/synthfromdnssec/ns2/statistics-channels.conf.in b/bin/tests/system/synthfromdnssec/ns2/statistics-channels.conf.in
deleted file mode 100644
index 6dd1516962..0000000000
--- a/bin/tests/system/synthfromdnssec/ns2/statistics-channels.conf.in
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
- *
- * SPDX-License-Identifier: MPL-2.0
- *
- * 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 https://mozilla.org/MPL/2.0/.
- *
- * See the COPYRIGHT file distributed with this work for additional
- * information regarding copyright ownership.
- */
-
-statistics-channels {
-        inet 10.53.0.2 port @EXTRAPORT1@ allow { any; };
-};
diff --git a/bin/tests/system/synthfromdnssec/ns3/named.conf.in b/bin/tests/system/synthfromdnssec/ns3/named.conf.j2
similarity index 87%
rename from bin/tests/system/synthfromdnssec/ns3/named.conf.in
rename to bin/tests/system/synthfromdnssec/ns3/named.conf.j2
index 7665d8a6e6..b4fceb903c 100644
--- a/bin/tests/system/synthfromdnssec/ns3/named.conf.in
+++ b/bin/tests/system/synthfromdnssec/ns3/named.conf.j2
@@ -35,7 +35,11 @@ controls {
 	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
 };
 
-include "statistics-channels.conf";
+{% if FEATURE_LIBXML2 == "1" or FEATURE_JSON_C == "1" %}
+statistics-channels {
+	inet 10.53.0.3 port @EXTRAPORT1@ allow { any; };
+};
+{% endif %}
 
 zone "." {
 	type hint;
diff --git a/bin/tests/system/synthfromdnssec/ns3/statistics-channels.conf.in b/bin/tests/system/synthfromdnssec/ns3/statistics-channels.conf.in
deleted file mode 100644
index a755c39439..0000000000
--- a/bin/tests/system/synthfromdnssec/ns3/statistics-channels.conf.in
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
- *
- * SPDX-License-Identifier: MPL-2.0
- *
- * 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 https://mozilla.org/MPL/2.0/.
- *
- * See the COPYRIGHT file distributed with this work for additional
- * information regarding copyright ownership.
- */
-
-statistics-channels {
-        inet 10.53.0.3 port @EXTRAPORT1@ allow { any; };
-};
diff --git a/bin/tests/system/synthfromdnssec/ns4/named.conf.in b/bin/tests/system/synthfromdnssec/ns4/named.conf.j2
similarity index 86%
rename from bin/tests/system/synthfromdnssec/ns4/named.conf.in
rename to bin/tests/system/synthfromdnssec/ns4/named.conf.j2
index 85cbc38d98..9f55cb9dde 100644
--- a/bin/tests/system/synthfromdnssec/ns4/named.conf.in
+++ b/bin/tests/system/synthfromdnssec/ns4/named.conf.j2
@@ -36,7 +36,11 @@ controls {
 	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
 };
 
-include "statistics-channels.conf";
+{% if FEATURE_LIBXML2 == "1" or FEATURE_JSON_C == "1" %}
+statistics-channels {
+	inet 10.53.0.4 port @EXTRAPORT1@ allow { any; };
+};
+{% endif %}
 
 zone "." {
 	type hint;
diff --git a/bin/tests/system/synthfromdnssec/ns4/statistics-channels.conf.in b/bin/tests/system/synthfromdnssec/ns4/statistics-channels.conf.in
deleted file mode 100644
index 5a89f8d489..0000000000
--- a/bin/tests/system/synthfromdnssec/ns4/statistics-channels.conf.in
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
- *
- * SPDX-License-Identifier: MPL-2.0
- *
- * 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 https://mozilla.org/MPL/2.0/.
- *
- * See the COPYRIGHT file distributed with this work for additional
- * information regarding copyright ownership.
- */
-
-statistics-channels {
-        inet 10.53.0.4 port @EXTRAPORT1@ allow { any; };
-};
diff --git a/bin/tests/system/synthfromdnssec/ns5/named.conf.in b/bin/tests/system/synthfromdnssec/ns5/named.conf.j2
similarity index 88%
rename from bin/tests/system/synthfromdnssec/ns5/named.conf.in
rename to bin/tests/system/synthfromdnssec/ns5/named.conf.j2
index 0875b7701e..cf75599726 100644
--- a/bin/tests/system/synthfromdnssec/ns5/named.conf.in
+++ b/bin/tests/system/synthfromdnssec/ns5/named.conf.j2
@@ -37,7 +37,11 @@ controls {
 	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
 };
 
-include "statistics-channels.conf";
+{% if FEATURE_LIBXML2 == "1" or FEATURE_JSON_C == "1" %}
+statistics-channels {
+	inet 10.53.0.5 port @EXTRAPORT1@ allow { any; };
+};
+{% endif %}
 
 zone "." {
 	type hint;
diff --git a/bin/tests/system/synthfromdnssec/ns5/statistics-channels.conf.in b/bin/tests/system/synthfromdnssec/ns5/statistics-channels.conf.in
deleted file mode 100644
index 12a9398c60..0000000000
--- a/bin/tests/system/synthfromdnssec/ns5/statistics-channels.conf.in
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
- *
- * SPDX-License-Identifier: MPL-2.0
- *
- * 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 https://mozilla.org/MPL/2.0/.
- *
- * See the COPYRIGHT file distributed with this work for additional
- * information regarding copyright ownership.
- */
-
-statistics-channels {
-        inet 10.53.0.5 port @EXTRAPORT1@ allow { any; };
-};
diff --git a/bin/tests/system/synthfromdnssec/ns6/named.conf.in b/bin/tests/system/synthfromdnssec/ns6/named.conf.j2
similarity index 86%
rename from bin/tests/system/synthfromdnssec/ns6/named.conf.in
rename to bin/tests/system/synthfromdnssec/ns6/named.conf.j2
index 1f631865ac..3000b47825 100644
--- a/bin/tests/system/synthfromdnssec/ns6/named.conf.in
+++ b/bin/tests/system/synthfromdnssec/ns6/named.conf.j2
@@ -36,7 +36,11 @@ controls {
 	inet 10.53.0.6 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
 };
 
-include "statistics-channels.conf";
+{% if FEATURE_LIBXML2 == "1" or FEATURE_JSON_C == "1" %}
+statistics-channels {
+	inet 10.53.0.6 port @EXTRAPORT1@ allow { any; };
+};
+{% endif %}
 
 zone "." {
 	type hint;
diff --git a/bin/tests/system/synthfromdnssec/ns6/statistics-channels.conf.in b/bin/tests/system/synthfromdnssec/ns6/statistics-channels.conf.in
deleted file mode 100644
index 138a84bde3..0000000000
--- a/bin/tests/system/synthfromdnssec/ns6/statistics-channels.conf.in
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
- *
- * SPDX-License-Identifier: MPL-2.0
- *
- * 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 https://mozilla.org/MPL/2.0/.
- *
- * See the COPYRIGHT file distributed with this work for additional
- * information regarding copyright ownership.
- */
-
-statistics-channels {
-        inet 10.53.0.6 port @EXTRAPORT1@ allow { any; };
-};
diff --git a/bin/tests/system/synthfromdnssec/setup.sh b/bin/tests/system/synthfromdnssec/setup.sh
index 85feba601d..db51cff6eb 100644
--- a/bin/tests/system/synthfromdnssec/setup.sh
+++ b/bin/tests/system/synthfromdnssec/setup.sh
@@ -16,17 +16,6 @@
 
 set -e
 
-for d in ns1 ns2 ns3 ns4 ns5 ns6; do
-  conf=named.conf
-  copy_setports "${d}/${conf}.in" "${d}/${conf}"
-  conf=statistics-channels.conf
-  if $FEATURETEST --have-libxml2 || $FEATURETEST --have-json-c; then
-    copy_setports "${d}/${conf}.in" "${d}/${conf}"
-  else
-    echo "" >"${d}/${conf}"
-  fi
-done
-
 (
   cd ns1
   $SHELL sign.sh