diff --git a/bin/tests/system/.gitignore b/bin/tests/system/.gitignore
index 15eb5b4f44..731e60692c 100644
--- a/bin/tests/system/.gitignore
+++ b/bin/tests/system/.gitignore
@@ -15,7 +15,6 @@ named.run
 /*.trs
 /*.xml
 /resolve
-/legacy.run.sh
 /run.log
 /start.sh
 /stop.sh
diff --git a/bin/tests/system/cleanall.sh b/bin/tests/system/cleanall.sh
deleted file mode 100644
index f52e284b87..0000000000
--- a/bin/tests/system/cleanall.sh
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/bin/sh
-
-# 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.
-
-#
-# Clean up after system tests.
-#
-
-. ./conf.sh
-
-find . -type f \( \
-  -name '*~' -o -name 'core' -o -name '*.core' \
-  -o -name '*.log' -o -name '*.pid' -o -name '*.keyset' \
-  -o -name named.run -o -name ans.run \
-  -o -name '*-valgrind-*.log' \) -print | xargs rm -f
-
-status=0
-
-rm -f ../random.data
-
-for d in $SUBDIRS; do
-  test ! -f $d/clean.sh || (cd $d && $SHELL clean.sh)
-  test -d $d && find $d -type d -exec rmdir '{}' \; 2>/dev/null
-done
diff --git a/bin/tests/system/get_ports.sh b/bin/tests/system/get_ports.sh
deleted file mode 100755
index 96201f106f..0000000000
--- a/bin/tests/system/get_ports.sh
+++ /dev/null
@@ -1,75 +0,0 @@
-#!/bin/sh
-
-# 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.
-
-# This script is a 'port' broker.  It keeps track of ports given to the
-# individual system subtests, so every test is given a unique port range.
-
-get_sorted_test_names() {
-  find . -maxdepth 2 -mindepth 2 -type f \( -name "tests.sh" -o -name "tests*.py" \) | cut -d/ -f2 | sort -u
-}
-
-total_tests=$(get_sorted_test_names | wc -l)
-ports_per_test=20
-
-port_min=5001
-port_max=$((32767 - (total_tests * ports_per_test)))
-
-baseport=0
-test_index=0
-while getopts "p:t:-:" OPT; do
-  if [ "$OPT" = "-" ] && [ -n "$OPTARG" ]; then
-    OPT="${OPTARG%%=*}"
-    OPTARG="${OPTARG#$OPT}"
-    OPTARG="${OPTARG#=}"
-  fi
-
-  # shellcheck disable=SC2214
-  case "$OPT" in
-    p | port) baseport=$OPTARG ;;
-    t | test)
-      test_index=$(get_sorted_test_names | awk "/^${OPTARG}\$/ { print NR }")
-      if [ -z "${test_index}" ]; then
-        echo "Test '${OPTARG}' not found" >&2
-        exit 1
-      fi
-      ;;
-    -) break ;;
-    *)
-      echo "invalid option" >&2
-      exit 1
-      ;;
-  esac
-done
-
-port_pool_size=$((port_max - port_min))
-if [ "${baseport}" -eq 0 ]; then
-  baseport="$((($(date +%s) / 3600 % port_pool_size) + port_min + (test_index * ports_per_test)))"
-fi
-
-echo "export PORT=$((baseport))"
-echo "export TLSPORT=$((baseport + 1))"
-echo "export HTTPPORT=$((baseport + 2))"
-echo "export HTTPSPORT=$((baseport + 3))"
-echo "export EXTRAPORT1=$((baseport + 4))"
-echo "export EXTRAPORT2=$((baseport + 5))"
-echo "export EXTRAPORT3=$((baseport + 6))"
-echo "export EXTRAPORT4=$((baseport + 7))"
-echo "export EXTRAPORT5=$((baseport + 8))"
-echo "export EXTRAPORT6=$((baseport + 9))"
-echo "export EXTRAPORT7=$((baseport + 10))"
-echo "export EXTRAPORT8=$((baseport + 11))"
-echo "export CONTROLPORT=$((baseport + 12))"
-
-# Local Variables:
-# sh-basic-offset: 4
-# End:
diff --git a/bin/tests/system/legacy.run.sh.in b/bin/tests/system/legacy.run.sh.in
deleted file mode 100644
index 6a16b70601..0000000000
--- a/bin/tests/system/legacy.run.sh.in
+++ /dev/null
@@ -1,250 +0,0 @@
-#!/bin/sh
-#
-# 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.
-
-#
-# Run a system test.
-#
-
-top_builddir=@top_builddir@
-builddir=@abs_builddir@
-srcdir=@abs_srcdir@
-
-# shellcheck source=conf.sh
-. ${builddir}/conf.sh
-
-if [ "$CI_SERVER" != "yes" ] && [ "$(id -u)" -eq "0" ] && [ "@DEVELOPER_MODE@" != "yes" ]; then
-  echofail "Refusing to run test as root. Build with --enable-developer to override." >&2
-  exit 1
-fi
-
-export builddir
-export srcdir
-
-date_with_args() (
-  date "+%Y-%m-%dT%T%z"
-)
-
-stopservers=true
-# baseport == 0 means random
-baseport=0
-
-if [ "${SYSTEMTEST_NO_CLEAN:-0}" -eq 1 ]; then
-  clean=false
-else
-  clean=true
-fi
-
-restart=false
-while getopts "sknp:-:t" OPT; do
-  if [ "$OPT" = "-" ] && [ -n "$OPTARG" ]; then
-    OPT="${OPTARG%%=*}"
-    OPTARG="${OPTARG#$OPT}"
-    OPTARG="${OPTARG#=}"
-  fi
-
-  # shellcheck disable=SC2214
-  case "$OPT" in
-    k | keep) stopservers=false ;;
-    n | noclean) clean=false ;;
-    p | port) baseport=$OPTARG ;;
-    s | skip) exit 77 ;;
-    t | restart) restart=true ;;
-    -) break ;;
-    *)
-      echo "invalid option" >&2
-      exit 1
-      ;;
-  esac
-done
-
-shift $((OPTIND - 1))
-
-if [ $# -eq 0 ]; then
-  echofail "Usage: $0 [-k] [-n] [-p <PORT>] test-directory [test-options]" >&2
-  exit 1
-fi
-
-systest=$(basename "${1%%/}")
-shift
-
-if [ ! -d "${srcdir}/$systest" ]; then
-  echofail "$0: $systest: no such test" >&2
-  exit 1
-fi
-
-if [ "${srcdir}" != "${builddir}" ]; then
-  if [ ! -d _common ] || [ ! -r _common/.prepared ]; then
-    cp -a "${srcdir}/_common" "${builddir}"
-  fi
-  # Some tests require additional files to work for out-of-tree test runs.
-  for file in ckdnsrps.sh conftest.py digcomp.pl ditch.pl fromhex.pl get_core_dumps.sh kasp.sh packet.pl start.pl stop.pl testcrypto.sh; do
-    if [ ! -r "${file}" ]; then
-      cp -a "${srcdir}/${file}" "${builddir}"
-    fi
-  done
-  if [ ! -d "$systest" ] || [ ! -r "$systest/.prepared" ]; then
-    mkdir -p "${builddir}/$systest"
-    cp -a "${srcdir}/$systest" "${builddir}/"
-    touch "$systest/.prepared"
-  fi
-fi
-
-if [ ! -d "${systest}" ]; then
-  echofail "$0: $systest: no such test" >&2
-  exit 1
-fi
-
-# Determine which ports to use for this system test.
-eval "$(cd "${srcdir}" && ./get_ports.sh -p "$baseport" -t "$systest")"
-
-# Start all servers used by the system test.  Ensure all log files written
-# during a system test (tests.sh + potentially multiple *.py scripts) are
-# retained for each run by calling start.pl with the --restart command-line
-# option for all invocations except the first one.
-start_servers() {
-  echoinfo "I:$systest:starting servers"
-  if $restart || [ "$run" -gt 0 ]; then
-    restart_opt="--restart"
-  fi
-  if ! $PERL start.pl ${restart_opt} --port "$PORT" "$systest"; then
-    echoinfo "I:$systest:starting servers failed"
-    return 1
-  fi
-}
-
-stop_servers() {
-  if $stopservers; then
-    echoinfo "I:$systest:stopping servers"
-    if ! $PERL stop.pl "$systest"; then
-      echoinfo "I:$systest:stopping servers failed"
-      return 1
-    fi
-  fi
-}
-
-echostart "S:$systest:$(date_with_args)"
-echoinfo "T:$systest:1:A"
-echoinfo "A:$systest:System test $systest"
-echoinfo "I:$systest:PORTS:${PORT},${TLSPORT},${HTTPPORT},${HTTPSPORT},${EXTRAPORT1},${EXTRAPORT2},${EXTRAPORT3},${EXTRAPORT4},${EXTRAPORT5},${EXTRAPORT6},${EXTRAPORT7},${EXTRAPORT8},${CONTROLPORT}"
-
-$PERL ${srcdir}/testsock.pl -p "$PORT" || {
-  echowarn "I:$systest:Network interface aliases not set up.  Skipping test."
-  echowarn "R:$systest:FAIL"
-  echoend "E:$systest:$(date_with_args)"
-  exit 1
-}
-
-# Check for test-specific prerequisites.
-test ! -f "$systest/prereq.sh" || (cd "${systest}" && $SHELL prereq.sh "$@")
-result=$?
-
-if [ $result -eq 0 ]; then
-  : prereqs ok
-else
-  echowarn "I:$systest:Prerequisites missing, skipping test."
-  echowarn "R:$systest:SKIPPED"
-  echoend "E:$systest:$(date_with_args)"
-  exit 77
-fi
-
-# Clean up files left from any potential previous runs except when
-# started with the --restart option.
-if ! $restart; then
-  if test -f "$systest/clean.sh"; then
-    if ! (cd "${systest}" && $SHELL clean.sh "$@"); then
-      echowarn "I:$systest:clean.sh script failed"
-      echofail "R:$systest:FAIL"
-      echoend "E:$systest:$(date_with_args)"
-      exit 1
-    fi
-  fi
-fi
-
-# Set up any dynamically generated test data
-if test -f "$systest/setup.sh"; then
-  if ! (cd "${systest}" && $SHELL setup.sh "$@"); then
-    echowarn "I:$systest:setup.sh script failed"
-    echofail "R:$systest:FAIL"
-    echoend "E:$systest:$(date_with_args)"
-    exit 1
-  fi
-fi
-
-status=0
-run=0
-# Run the tests
-if [ -r "$systest/tests.sh" ]; then
-  if start_servers; then
-    (cd "$systest" && $SHELL tests.sh "$@")
-    status=$?
-    run=$((run + 1))
-    stop_servers || status=1
-  else
-    status=1
-  fi
-fi
-
-if [ "$run" -eq "0" ]; then
-  echoinfo "I:$systest:No tests were found and run"
-  status=255
-fi
-
-if $stopservers; then
-  :
-else
-  exit $status
-fi
-
-$SHELL get_core_dumps.sh "$systest" || status=1
-
-print_outstanding_files() {
-  if test -d ${srcdir}/../../../.git; then
-    git status -su --ignored "${systest}/" 2>/dev/null \
-      | sed -n -e 's|^?? \(.*\)|I:'"${systest}"':file \1 not removed|p' \
-        -e 's|^!! \(.*/named.run\)$|I:'"${systest}"':file \1 not removed|p' \
-        -e 's|^!! \(.*/named.memstats\)$|I:'"${systest}"':file \1 not removed|p'
-  fi
-}
-
-print_outstanding_files_oot() {
-  if test -d ${srcdir}/../../../.git; then
-    git -C "${srcdir}/${systest}" ls-files | sed "s|^|${systest}/|" >gitfiles.txt
-    find "${systest}/" -type f ! -name .prepared ! -name Makefile >testfiles.txt
-    grep -F -x -v -f gitfiles.txt testfiles.txt
-    rm -f gitfiles.txt testfiles.txt
-  fi
-}
-
-if [ $status -ne 0 ]; then
-  echofail "R:$systest:FAIL"
-else
-  echopass "R:$systest:PASS"
-  if $clean && ! $restart; then
-    (cd "${systest}" && $SHELL clean.sh "$@")
-    if [ "${srcdir}" = "${builddir}" ]; then
-      print_outstanding_files
-    else
-      print_outstanding_files_oot | xargs rm -f
-      find "${systest}/" \( -type d -empty \) -delete 2>/dev/null
-    fi
-  fi
-fi
-
-NAMED_RUN_LINES_THRESHOLD=200000
-find "${systest}" -type f -name "named.run" -exec wc -l {} \; | awk "\$1 > ${NAMED_RUN_LINES_THRESHOLD} { print \$2 }" | sort | while read -r LOG_FILE; do
-  echowarn "I:${systest}:${LOG_FILE} contains more than ${NAMED_RUN_LINES_THRESHOLD} lines, consider tweaking the test to limit disk I/O"
-done
-
-echoend "E:$systest:$(date_with_args)"
-
-exit $status
diff --git a/configure.ac b/configure.ac
index 213bd35646..441a273b61 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1659,8 +1659,6 @@ AC_CONFIG_FILES([bin/tests/Makefile
 
 AC_CONFIG_FILES([bin/tests/system/ifconfig.sh],
 		[chmod +x bin/tests/system/ifconfig.sh])
-AC_CONFIG_FILES([bin/tests/system/legacy.run.sh],
-		[chmod +x bin/tests/system/legacy.run.sh])
 AC_CONFIG_FILES([bin/tests/system/start.sh],
 		[chmod +x bin/tests/system/start.sh])
 AC_CONFIG_FILES([bin/tests/system/stop.sh],