diff --git a/libexec/rc/tests/rc_subr_test.sh b/libexec/rc/tests/rc_subr_test.sh
index e8398c8d9b12..fe6d3b8264c9 100644
--- a/libexec/rc/tests/rc_subr_test.sh
+++ b/libexec/rc/tests/rc_subr_test.sh
@@ -1,138 +1,136 @@
 #-
 # SPDX-License-Identifier: BSD-2-Clause
 #
 # Copyright 2022 Mateusz Piotrowski <0mp@FreeBSD.org>
 # Copyright (c) 2025 Klara, Inc.
 #
-# SPDX-License-Identifier: BSD-2-Clause
-#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 # 1. Redistributions of source code must retain the above copyright
 #    notice, this list of conditions and the following disclaimer.
 # 2. Redistributions in binary form must reproduce the above copyright
 #    notice, this list of conditions and the following disclaimer in the
 #    documentation and/or other materials provided with the distribution.
 #
 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 # SUCH DAMAGE.
 #
 
 atf_test_case oomprotect_all
 oomprotect_all_head()
 {
 	atf_set "descr" "Verify that \${name}_oomprotect=all protects " \
 		"the command and all its current and future children"
 	atf_set "require.user" "root" # For protect(1).
 }
 
 oomprotect_all_body()
 {
 	if [ "$(sysctl -n security.jail.jailed)" != 0 ]; then
 		atf_skip "protect(1) cannot be used in a jail"
 	fi
 
 	__name="$(atf_get ident)"
 	__pidfile="$(mktemp -t "${__name}.pid")"
 	__childpidfile="$(mktemp -t "${__name}.childpid")"
 	__script=$(mktemp -t "${__name}.script")
 
 	cat >> "$__script" <<-'LITERAL'
 	. /etc/rc.subr
 	name="$1"
 	pidfile="$2"
 	_childpidfile="$3"
 	_rc_arg="$4"
 	setvar "${name}_oomprotect" all
 	command="/usr/sbin/daemon"
 	command_args="-P $pidfile -p $_childpidfile -- /bin/sleep 60"
 	run_rc_command "$_rc_arg"
 	LITERAL
 
 	atf_check -s exit:0 -o inline:"Starting ${__name}.\n" -e empty \
 		/bin/sh "$__script" "$__name" "$__pidfile" "$__childpidfile" onestart
 	atf_check -s exit:0 -o match:'^..1..... .......1$' -e empty \
 		ps -p "$(cat "$__pidfile")" -o flags,flags2
 	atf_check -s exit:0 -o match:'^..1..... .......1$' -e empty \
 		ps -p "$(cat "$__childpidfile")" -o flags,flags2
 	atf_check -s exit:0 -o ignore -e empty \
 		/bin/sh "$__script" "$__name" "$__pidfile" "$__childpidfile" onestop
 }
 
 atf_test_case oomprotect_yes
 oomprotect_yes_head()
 {
 	atf_set "descr" "Verify that \${name}_oomprotect=yes protects " \
 		"the command but not its children"
 	atf_set "require.user" "root" # For protect(1).
 }
 
 oomprotect_yes_body()
 {
 	if [ "$(sysctl -n security.jail.jailed)" != 0 ]; then
 		atf_skip "protect(1) cannot be used in a jail"
 	fi
 
 	__name="$(atf_get ident)"
 	__pidfile="$(mktemp -t "${__name}.pid")"
 	__script=$(mktemp -t "${__name}.script")
 
 	cat >> "$__script" <<-'LITERAL'
 	. /etc/rc.subr
 	name="$1"
 	pidfile="$2"
 	_rc_arg="$3"
 	setvar "${name}_oomprotect" yes
 	procname="/bin/sleep"
 	command="/usr/sbin/daemon"
 	command_args="-p $pidfile -- $procname 60"
 	run_rc_command "$_rc_arg"
 	LITERAL
 
 	atf_check -s exit:0 -o inline:"Starting ${__name}.\n" -e empty \
 		/bin/sh "$__script" "$__name" "$__pidfile" onestart
 	atf_check -s exit:0 -o match:'^..1..... .......0$' -e empty \
 		ps -p "$(cat "$__pidfile")" -ax -o flags,flags2
 	atf_check -s exit:0 -o ignore -e empty \
 		/bin/sh "$__script" "$__name" "$__pidfile" onestop
 }
 
 atf_test_case wait_for_pids_progress
 wait_for_pids_progress_head()
 {
 	atf_set "descr" "Verify that wait_for_pids prints progress updates"
 }
 wait_for_pids_progress_body()
 {
 	cat >>script <<'EOF'
 . /etc/rc.subr
 sleep 15 &
 a=$!
 sleep 10 &
 b=$!
 sleep 5 &
 c=$!
 wait_for_pids $a $b $c
 EOF
 	re="^Waiting for PIDS: [0-9]+ [0-9]+ [0-9]+"
 	re="${re}, [0-9]+ [0-9]+"
 	re="${re}, [0-9]+\.$"
 	atf_check -s exit:0 -o match:"${re}" /bin/sh script
 }
 
 atf_init_test_cases()
 {
 	atf_add_test_case oomprotect_all
 	atf_add_test_case oomprotect_yes
 	atf_add_test_case wait_for_pids_progress
 }