diff --git a/mail-filter/opendkim/files/opendkim.init.r6 b/mail-filter/opendkim/files/opendkim.init.r6
deleted file mode 100644
index 95aa971fd88e8..0000000000000
--- a/mail-filter/opendkim/files/opendkim.init.r6
+++ /dev/null
@@ -1,77 +0,0 @@
-#!/sbin/openrc-run
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-CONFFILE="/etc/opendkim/${RC_SVCNAME}.conf"
-required_files="${CONFFILE}"
-
-command="/usr/sbin/opendkim"
-pidfile="/run/${RC_SVCNAME}.pid"
-command_args="-P ${pidfile} -x ${CONFFILE} -p ${OPENDKIM_SOCKET}"
-
-depend() {
-	use dns logger net
-	before mta
-}
-
-check_cfg() {
-	#
-	# The opendkim.conf man page says,
-	#
-	#   For parameters that are Boolean in nature, only the first byte
-	#   of the value is processed... For negative values, the following
-	#   are accepted: "F", "f", "N", "n", "0".'
-	#
-	if grep --quiet '^[[:space:]]*Background[[:space:]]\+[FfNn0]' \
-			"${CONFFILE}"; then
-		eerror "${RC_SVCNAME} cannot run in the foreground!"
-		return 1
-	fi
-	if ! ${command} -n ${command_args}; then
-		eerror "Configuration check failed"
-		return 1
-	fi
-}
-
-start_pre() {
-	# If this isn't a restart, make sure that the user's config isn't
-	# busted before we try to start the daemon (this will produce
-	# better error messages than if we just try to start it blindly).
-	#
-	# If, on the other hand, this *is* a restart, then the stop_pre
-	# action will have ensured that the config is usable and we don't
-	# need to do that again.
-	if [ "${RC_CMD}" != "restart" ]; then
-		check_cfg || return $?
-	fi
-
-	if [ -S "${OPENDKIM_SOCKET}" ] && ! fuser -s "${OPENDKIM_SOCKET}"; then
-		# Remove stalled Unix socket if no other process is
-		# using it
-		if ! rm "${UNIX_SOCKET}"; then
-			eerror "failed to remove stale unix socket ${OPENDKIM_SOCKET}"
-			return 2
-		fi
-	fi
-
-	# This relies on the "local:" prefix being there, but the conf.d
-	# file explicitly states that it's not optional (contrary to what
-	# the opendkim(8) man page says).
-	if [ "${OPENDKIM_SOCKET#local:}" != "${OPENDKIM_SOCKET}" ]; then
-		# The socket begins with "local:"
-		OPENDKIM_SOCKET_PATH="${OPENDKIM_SOCKET#local:}"
-		OPENDKIM_SOCKET_DIR="${OPENDKIM_SOCKET_PATH%/*}"
-
-		# This is dangerous, but there's a big warning about it
-		# in the conf.d file.
-		checkpath --directory --owner opendkim "${OPENDKIM_SOCKET_DIR}"
-	fi
-}
-
-stop_pre() {
-	# If this is a restart, check to make sure the user's config
-	# isn't busted before we stop the running daemon.
-	if [ "${RC_CMD}" = "restart" ]; then
-		check_cfg || return $?
-	fi
-}
diff --git a/mail-filter/opendkim/files/opendkim.service.r4 b/mail-filter/opendkim/files/opendkim.service.r4
deleted file mode 100644
index 8c366007c0099..0000000000000
--- a/mail-filter/opendkim/files/opendkim.service.r4
+++ /dev/null
@@ -1,16 +0,0 @@
-[Unit]
-Description=DomainKeys Identified Mail (DKIM) Milter
-Documentation=man:opendkim(8) man:opendkim.conf(5) man:opendkim-genkey(8) man:opendkim-genzone(8) man:opendkim-testadsp(8) man:opendkim-testkey http://www.opendkim.org/docs.html
-After=network.target nss-lookup.target syslog.target
-
-[Service]
-ExecStartPre=/usr/sbin/opendkim -n -f -x /etc/opendkim/opendkim.conf -p $OPENDKIM_SOCKET
-ExecStart=/usr/sbin/opendkim -f -x /etc/opendkim/opendkim.conf -p $OPENDKIM_SOCKET
-ExecReload=/bin/kill -USR1 $MAINPID
-RuntimeDirectory=opendkim
-RuntimeDirectoryMode=0750
-User=opendkim
-Group=opendkim
-
-[Install]
-WantedBy=multi-user.target