Index: ObsoleteFiles.inc
===================================================================
--- ObsoleteFiles.inc
+++ ObsoleteFiles.inc
@@ -40,6 +40,9 @@
 #   xargs -n1 | sort | uniq -d;
 # done
 
+# 20210422: remove unused libexec/rc.d/addswap
+OLD_FILES+=etc/rc.d/addswap
+
 # 20210413: Remove pfctlinput2
 OLD_FILES+=usr/share/man/man9/pfctlinput2.9.gz
 
Index: libexec/rc/rc.d/Makefile
===================================================================
--- libexec/rc/rc.d/Makefile
+++ libexec/rc/rc.d/Makefile
@@ -11,7 +11,6 @@
 	LOGIN \
 	NETWORKING \
 	SERVERS \
-	addswap \
 	adjkerntz \
 	bgfsck \
 	${_blacklistd} \
Index: libexec/rc/rc.d/addswap
===================================================================
--- libexec/rc/rc.d/addswap
+++ /dev/null
@@ -1,24 +0,0 @@
-#!/bin/sh
-#
-# Add additional swap files
-#
-# $FreeBSD$
-#
-
-# PROVIDE: addswap
-# REQUIRE: FILESYSTEMS kld
-# BEFORE:  netif
-# KEYWORD: nojail shutdown
-
-. /etc/rc.subr
-
-name="addswap"
-start_cmd=":"
-stop_cmd=":"
-rcvar=
-
-set_rcvar_obsolete swapfile
-set_rcvar_obsolete geli_swap_flags
-
-load_rc_config $name
-run_rc_command "$1"