diff --git a/MOVED b/MOVED
index ee538edd5fcae..9797f6c1ab36f 100644
--- a/MOVED
+++ b/MOVED
@@ -8095,3 +8095,4 @@ sysutils/openshift-install||2023-11-26|Has expired: BROKEN for more than a year
 devel/capnproto080|devel/capnproto1|2023-11-27|Remove obsoleted port. Use devel/capnproto1 instead
 devel/py-cachetools3|devel/py-cachetools|2023-11-27|Remove obsoleted port. Use devel/py-cachetools instead
 www/rubygem-asana1|www/rubygem-asana|2023-11-27|Remove obsoleted port. Use www/rubygem-asana instead
+devel/rubygem-rdoc63|devel/rubygem-rdoc|2023-11-27|Remove obsoleted port. Use devel/rubygem-rdoc instead
diff --git a/devel/Makefile b/devel/Makefile
index b842d81450a1b..ffa6657a2fd68 100644
--- a/devel/Makefile
+++ b/devel/Makefile
@@ -7223,7 +7223,6 @@
     SUBDIR += rubygem-rbtrace
     SUBDIR += rubygem-rbtree
     SUBDIR += rubygem-rdoc
-    SUBDIR += rubygem-rdoc63
     SUBDIR += rubygem-re2
     SUBDIR += rubygem-react-rails
     SUBDIR += rubygem-react-rails-rails5
diff --git a/devel/rubygem-rdoc63/Makefile b/devel/rubygem-rdoc63/Makefile
deleted file mode 100644
index 2cdfee989e9ed..0000000000000
--- a/devel/rubygem-rdoc63/Makefile
+++ /dev/null
@@ -1,30 +0,0 @@
-PORTNAME=	rdoc
-PORTVERSION=	6.3.3
-CATEGORIES=	devel rubygems
-MASTER_SITES=	RG
-PKGNAMESUFFIX=	63
-
-MAINTAINER=	ruby@FreeBSD.org
-COMMENT=	RDoc produces HTML and command-line documentation for Ruby projects
-WWW=		https://ruby.github.io/rdoc/
-
-LICENSE=	GPLv2 RUBY
-LICENSE_COMB=	dual
-LICENSE_FILE_RUBY=	${WRKSRC}/LICENSE.rdoc
-
-USES=		cpe gem
-
-NO_ARCH=	yes
-
-CPE_VENDOR=	ruby-lang
-
-PORTSCOUT=	limit:^6\.3\.
-
-.include <bsd.port.pre.mk>
-
-post-install:
-	${RM} ${STAGEDIR}${PREFIX}/bin/rdoc
-	${RM} ${STAGEDIR}${PREFIX}/bin/ri
-	${RM} ${STAGEDIR}${PREFIX}/share/man/man1/ri.1
-
-.include <bsd.port.post.mk>
diff --git a/devel/rubygem-rdoc63/distinfo b/devel/rubygem-rdoc63/distinfo
deleted file mode 100644
index 20f5249efb4ae..0000000000000
--- a/devel/rubygem-rdoc63/distinfo
+++ /dev/null
@@ -1,3 +0,0 @@
-TIMESTAMP = 1636622683
-SHA256 (rubygem/rdoc-6.3.3.gem) = 5bd7010d76e259794f24713d5650406611854226bb6186460b49d3229bd74635
-SIZE (rubygem/rdoc-6.3.3.gem) = 569344
diff --git a/devel/rubygem-rdoc63/pkg-descr b/devel/rubygem-rdoc63/pkg-descr
deleted file mode 100644
index 2feceb4c8aa1b..0000000000000
--- a/devel/rubygem-rdoc63/pkg-descr
+++ /dev/null
@@ -1,3 +0,0 @@
-RDoc produces HTML and command-line documentation for Ruby projects. RDoc
-includes the +rdoc+ and +ri+ tools for generating and displaying online
-documentation. See RDoc for a description of RDoc's markup and basic use.