diff --git a/bin/tests/system/conf.sh.common b/bin/tests/system/conf.sh.common
index a571b2d275..02dd4fa41a 100644
--- a/bin/tests/system/conf.sh.common
+++ b/bin/tests/system/conf.sh.common
@@ -63,7 +63,6 @@ cacheclean
 case
 catz
 cds
-chain
 checkconf
 checknames
 checkzone
@@ -71,17 +70,14 @@ cookie
 database
 digdelv
 dlz
-dlzexternal
 dns64
 dscp
 dsdigest
-dyndb
 ecdsa
 eddsa
 ednscompliance
 emptyzones
 fetchlimit
-filter-aaaa
 formerr
 forward
 geoip2
@@ -104,11 +100,8 @@ names
 notify
 nslookup
 nsupdate
-nzd2nzf
 padding
 pending
-pipelined
-qmin
 reclimit
 redirect
 resolver
@@ -129,7 +122,6 @@ statistics
 statschannel
 stub
 synthfromdnssec
-tcp
 tkey
 tools
 tsig
diff --git a/bin/tests/system/conf.sh.in b/bin/tests/system/conf.sh.in
index 552b7a0ede..160b8148fc 100644
--- a/bin/tests/system/conf.sh.in
+++ b/bin/tests/system/conf.sh.in
@@ -80,7 +80,16 @@ KRB5_CONFIG=/dev/null
 SEQUENTIAL_UNIX="@PKCS11_TEST@"
 SEQUENTIALDIRS="$SEQUENTIAL_COMMON $SEQUENTIAL_UNIX"
 
-PARALLEL_UNIX="@DNSTAP@ logfileconfig"
+PARALLEL_UNIX="@DNSTAP@
+chain
+dlzexternal
+dyndb
+filter-aaaa
+logfileconfig
+nzd2nzf
+pipelined
+qmin
+tcp"
 PARALLELDIRS="$PARALLEL_COMMON $PARALLEL_UNIX"
 
 SUBDIRS="$SEQUENTIALDIRS $PARALLELDIRS"