diff --git a/tools/build/options/makeman b/tools/build/options/makeman
--- a/tools/build/options/makeman
+++ b/tools/build/options/makeman
@@ -140,11 +140,9 @@
 {
 	echo "building src.conf.5 man page from files in ${PWD}" >&2
 
-	fbsdid='$'FreeBSD'$'
 	generated='@'generated
 	cat <<EOF
 .\" DO NOT EDIT-- this file is $generated by tools/build/options/makeman.
-.\" ${fbsdid}
 .Dd $(echo $(LC_TIME=C date +'%B %e, %Y'))
 .Dt SRC.CONF 5
 .Os