diff --git a/devel/rcs/Makefile b/devel/rcs/Makefile
index c3318c0c8ce3..5451ab1314e8 100644
--- a/devel/rcs/Makefile
+++ b/devel/rcs/Makefile
@@ -1,19 +1,20 @@
 PORTNAME=	rcs
 PORTVERSION=	5.10.0
+PORTREVISION=	1
 CATEGORIES=	devel
 MASTER_SITES=	GNU
 
 MAINTAINER=	portmaster@bsdforge.com
 COMMENT=	Version control system
 WWW=		https://www.gnu.org/software/rcs/
 
 LICENSE=	GPLv3
 
-USES=		groff makeinfo tar:xz
+USES=		tar:xz
 GNU_CONFIGURE=	yes
 
 CONFLICTS_INSTALL=	rcs57
 
 INFO=	rcs
 
 .include <bsd.port.mk>
diff --git a/devel/rcs/files/patch-man-Makefile b/devel/rcs/files/patch-man-Makefile
index 1f55abe2663d..9a81d6fd371d 100644
--- a/devel/rcs/files/patch-man-Makefile
+++ b/devel/rcs/files/patch-man-Makefile
@@ -1,24 +1,24 @@
 FreeBSD date does not feature the -r option GNU date does.
 
---- man/Makefile.am.orig	2013-10-04 11:48:45.000000000 +0000
-+++ man/Makefile.am	2014-03-08 18:07:52.000000000 +0000
-@@ -54,7 +54,7 @@
+--- man/Makefile.am.orig	2020-10-03 00:15:08 UTC
++++ man/Makefile.am
+@@ -54,7 +54,7 @@ $(dist_man_MANS) $(dist_noinst_MANS): REL $(bits)
  REL: $(top_srcdir)/configure
  	@{ echo '.ds Rv $(PACKAGE_VERSION)' ;		\
  	   date -u +'.ds Dt %Y-%m-%d'			\
 -	        -r $(top_srcdir)/configure ; } > $@t ;	\
 +	        ; } > $@t ;	\
  	if [ -f $@ ] && cmp -s $@t $@ ;			\
  	  then rm -f $@t ;				\
  	  else mv $@t $@ ; echo Created $@ ;		\
---- man/Makefile.in.orig	2013-11-28 09:18:13.000000000 +0000
-+++ man/Makefile.in	2014-03-08 18:07:52.000000000 +0000
-@@ -1580,7 +1580,7 @@
+--- man/Makefile.in.orig	2020-10-20 04:03:32 UTC
++++ man/Makefile.in
+@@ -1736,7 +1736,7 @@ $(dist_man_MANS) $(dist_noinst_MANS): REL $(bits)
  REL: $(top_srcdir)/configure
  	@{ echo '.ds Rv $(PACKAGE_VERSION)' ;		\
  	   date -u +'.ds Dt %Y-%m-%d'			\
 -	        -r $(top_srcdir)/configure ; } > $@t ;	\
 +	        ; } > $@t ;	\
  	if [ -f $@ ] && cmp -s $@t $@ ;			\
  	  then rm -f $@t ;				\
  	  else mv $@t $@ ; echo Created $@ ;		\