diff --git a/dev-build/autoconf/autoconf-2.71-r6.ebuild b/dev-build/autoconf/autoconf-2.71-r6.ebuild
deleted file mode 100644
index 9d2597c5574cc..0000000000000
--- a/dev-build/autoconf/autoconf-2.71-r6.ebuild
+++ /dev/null
@@ -1,91 +0,0 @@
-# Copyright 1999-2025 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=7
-
-if [[ ${PV} == 9999 ]] ; then
-	EGIT_REPO_URI="https://git.savannah.gnu.org/git/autoconf.git"
-	inherit git-r3
-else
-	# For _beta handling replace with real version number
-	MY_PV="${PV}"
-	MY_P="${PN}-${MY_PV}"
-	#PATCH_TARBALL_NAME="${PN}-2.70-patches-01"
-	SRC_URI="mirror://gnu/${PN}/${MY_P}.tar.xz
-		https://alpha.gnu.org/pub/gnu/${PN}/${MY_P}.tar.xz"
-	#SRC_URI+=" https://dev.gentoo.org/~polynomial-c/${PATCH_TARBALL_NAME}.tar.xz"
-
-	if ! [[ ${PV} == *_beta* ]] ; then
-		KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 ~sparc x86 ~arm64-macos ~x64-macos ~x64-solaris"
-	fi
-	S="${WORKDIR}"/${MY_P}
-fi
-
-inherit toolchain-autoconf multiprocessing
-
-DESCRIPTION="Used to create autoconfiguration files"
-HOMEPAGE="https://www.gnu.org/software/autoconf/autoconf.html"
-
-LICENSE="GPL-3+"
-SLOT="${PV/_*}"
-IUSE="emacs"
-
-# for 2.71, our Perl time resolution patch changes our min Perl from 5.6
-# (vanilla upstream for 2.71) to 5.8.
-BDEPEND=">=sys-devel/m4-1.4.16
-	>=dev-lang/perl-5.8"
-RDEPEND="${BDEPEND}
-	>=dev-build/autoconf-wrapper-15
-	sys-devel/gnuconfig
-	!~${CATEGORY}/${P}:2.5"
-[[ ${PV} == 9999 ]] && BDEPEND+=" >=sys-apps/texinfo-4.3"
-PDEPEND="emacs? ( app-emacs/autoconf-mode )"
-
-PATCHES=(
-	"${FILESDIR}"/${P}-AC_LANG_CALL_C_cxx.patch
-	"${FILESDIR}"/${P}-time.patch
-	"${FILESDIR}"/${P}-AC_C_BIGENDIAN-lto.patch
-	"${FILESDIR}"/${P}-K-R-decls-clang.patch
-	"${FILESDIR}"/${P}-make-4.4.patch
-	"${FILESDIR}"/${P}-K-R-decls-clang-deux.patch
-)
-
-src_prepare() {
-	# usr/bin/libtool is provided by binutils-apple, need gnu libtool
-	if [[ ${CHOST} == *-darwin* ]] ; then
-		PATCHES+=( "${FILESDIR}"/${PN}-2.71-darwin.patch )
-	fi
-
-	# Save timestamp to avoid later makeinfo call
-	touch -r doc/{,old_}autoconf.texi || die
-
-	local pdir
-	for pdir in "${WORKDIR}"/{upstream_,}patches ; do
-		if [[ -d "${pdir}" ]] ; then
-			eapply ${pdir}
-		fi
-	done
-
-	toolchain-autoconf_src_prepare
-
-	# Restore timestamp to avoid makeinfo call
-	# We already have an up to date autoconf.info page at this point.
-	touch -r doc/{old_,}autoconf.texi || die
-}
-
-src_test() {
-	emake check TESTSUITEFLAGS="--jobs=$(get_makeopts_jobs)"
-}
-
-src_install() {
-	toolchain-autoconf_src_install
-
-	# dissuade Portage from removing our dir file
-	touch "${ED}"/usr/share/${P}/info/.keepinfodir || die
-
-	local f
-	for f in config.{guess,sub} ; do
-		ln -fs ../../gnuconfig/${f} \
-			"${ED}"/usr/share/autoconf-*/build-aux/${f} || die
-	done
-}
diff --git a/dev-build/autoconf/autoconf-2.72-r1.ebuild b/dev-build/autoconf/autoconf-2.72-r1.ebuild
deleted file mode 100644
index d9838276756ee..0000000000000
--- a/dev-build/autoconf/autoconf-2.72-r1.ebuild
+++ /dev/null
@@ -1,100 +0,0 @@
-# Copyright 1999-2025 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-# Bumping notes:
-# * Remember to modify LAST_KNOWN_VER 'upstream' in dev-build/autoconf-wrapper
-# on new autoconf releases, as well as the dependency in RDEPEND below too.
-# * Update _WANT_AUTOCONF and _autoconf_atom case statement in autotools.eclass.
-
-if [[ ${PV} == 9999 ]] ; then
-	EGIT_REPO_URI="https://git.savannah.gnu.org/git/autoconf.git"
-	inherit git-r3
-else
-	# For _beta handling replace with real version number
-	MY_PV="${PV}"
-	MY_P="${PN}-${MY_PV}"
-	#PATCH_TARBALL_NAME="${PN}-2.70-patches-01"
-
-	VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/zackweinberg.asc
-	inherit verify-sig
-
-	SRC_URI="
-		mirror://gnu/${PN}/${MY_P}.tar.xz
-		https://alpha.gnu.org/pub/gnu/${PN}/${MY_P}.tar.xz
-		https://meyering.net/ac/${P}.tar.xz
-		verify-sig? ( mirror://gnu/${PN}/${MY_P}.tar.xz.sig )
-	"
-	S="${WORKDIR}"/${MY_P}
-
-	if [[ ${PV} != *_beta* ]] && ! [[ $(ver_cut 3) =~ [a-z] ]] ; then
-		KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 ~sparc x86 ~arm64-macos ~x64-macos ~x64-solaris"
-	fi
-
-	BDEPEND="verify-sig? ( sec-keys/openpgp-keys-zackweinberg )"
-fi
-
-inherit toolchain-autoconf multiprocessing
-
-DESCRIPTION="Used to create autoconfiguration files"
-HOMEPAGE="https://www.gnu.org/software/autoconf/autoconf.html"
-
-LICENSE="GPL-3+"
-SLOT="$(ver_cut 1-2)"
-IUSE="emacs"
-
-BDEPEND+="
-	>=dev-lang/perl-5.10
-	>=sys-devel/m4-1.4.16
-"
-RDEPEND="
-	${BDEPEND}
-	>=dev-build/autoconf-wrapper-20231224
-	sys-devel/gnuconfig
-	!~${CATEGORY}/${P}:2.5
-"
-[[ ${PV} == 9999 ]] && BDEPEND+=" >=sys-apps/texinfo-4.3"
-PDEPEND="emacs? ( app-emacs/autoconf-mode )"
-
-src_prepare() {
-	if [[ ${PV} == *9999 ]] ; then
-		# Avoid the "dirty" suffix in the git version by generating it
-		# before we run later stages which might modify source files.
-		local ver=$(./build-aux/git-version-gen .tarball-version)
-		echo "${ver}" > .tarball-version || die
-
-		autoreconf -f -i || die
-	fi
-
-	# usr/bin/libtool is provided by binutils-apple, need gnu libtool
-	if [[ ${CHOST} == *-darwin* ]] ; then
-		PATCHES+=( "${FILESDIR}"/${PN}-2.71-darwin.patch )
-	fi
-
-	# Save timestamp to avoid later makeinfo call
-	touch -r doc/{,old_}autoconf.texi || die
-
-	toolchain-autoconf_src_prepare
-
-	# Restore timestamp to avoid makeinfo call
-	# We already have an up to date autoconf.info page at this point.
-	touch -r doc/{old_,}autoconf.texi || die
-}
-
-src_test() {
-	emake check TESTSUITEFLAGS="--jobs=$(get_makeopts_jobs)"
-}
-
-src_install() {
-	toolchain-autoconf_src_install
-
-	# dissuade Portage from removing our dir file
-	touch "${ED}"/usr/share/${P}/info/.keepinfodir || die
-
-	local f
-	for f in config.{guess,sub} ; do
-		ln -fs ../../gnuconfig/${f} \
-			"${ED}"/usr/share/autoconf-*/build-aux/${f} || die
-	done
-}
diff --git a/dev-build/autoconf/autoconf-2.72-r4.ebuild b/dev-build/autoconf/autoconf-2.72-r4.ebuild
deleted file mode 100644
index 5e5ee6c5ea982..0000000000000
--- a/dev-build/autoconf/autoconf-2.72-r4.ebuild
+++ /dev/null
@@ -1,103 +0,0 @@
-# Copyright 1999-2025 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-# Bumping notes:
-# * Remember to modify LAST_KNOWN_VER 'upstream' in dev-build/autoconf-wrapper
-# on new autoconf releases, as well as the dependency in RDEPEND below too.
-# * Update _WANT_AUTOCONF and _autoconf_atom case statement in autotools.eclass.
-
-if [[ ${PV} == 9999 ]] ; then
-	EGIT_REPO_URI="https://git.savannah.gnu.org/git/autoconf.git"
-	inherit git-r3
-else
-	# For _beta handling replace with real version number
-	MY_PV="${PV}"
-	MY_P="${PN}-${MY_PV}"
-	#PATCH_TARBALL_NAME="${PN}-2.70-patches-01"
-
-	VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/zackweinberg.asc
-	inherit verify-sig
-
-	SRC_URI="
-		mirror://gnu/${PN}/${MY_P}.tar.xz
-		https://alpha.gnu.org/pub/gnu/${PN}/${MY_P}.tar.xz
-		https://meyering.net/ac/${P}.tar.xz
-		verify-sig? ( mirror://gnu/${PN}/${MY_P}.tar.xz.sig )
-	"
-	S="${WORKDIR}"/${MY_P}
-
-	if [[ ${PV} != *_beta* ]] && ! [[ $(ver_cut 3) =~ [a-z] ]] ; then
-		KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 ~sparc x86 ~arm64-macos ~x64-macos ~x64-solaris"
-	fi
-
-	BDEPEND="verify-sig? ( sec-keys/openpgp-keys-zackweinberg )"
-fi
-
-inherit toolchain-autoconf multiprocessing
-
-DESCRIPTION="Used to create autoconfiguration files"
-HOMEPAGE="https://www.gnu.org/software/autoconf/autoconf.html"
-
-LICENSE="GPL-3+"
-SLOT="$(ver_cut 1-2)"
-
-BDEPEND+="
-	>=dev-lang/perl-5.10
-	>=sys-devel/m4-1.4.16
-"
-RDEPEND="
-	${BDEPEND}
-	>=dev-build/autoconf-wrapper-20231224
-	sys-devel/gnuconfig
-	!~${CATEGORY}/${P}:2.5
-"
-[[ ${PV} == 9999 ]] && BDEPEND+=" >=sys-apps/texinfo-4.3"
-
-PATCHES=(
-	"${FILESDIR}"/${PN}-2.72-gettext-0.25-autoreconf-Invoke-autopoint-in-more-situations.patch
-	"${FILESDIR}"/${PN}-2.72-gettext-0.25-autoreconf-Adapt-to-the-on-disk-situation-after-auto.patch
-)
-
-src_prepare() {
-	if [[ ${PV} == *9999 ]] ; then
-		# Avoid the "dirty" suffix in the git version by generating it
-		# before we run later stages which might modify source files.
-		local ver=$(./build-aux/git-version-gen .tarball-version)
-		echo "${ver}" > .tarball-version || die
-
-		autoreconf -f -i || die
-	fi
-
-	# usr/bin/libtool is provided by binutils-apple, need gnu libtool
-	if [[ ${CHOST} == *-darwin* ]] ; then
-		PATCHES+=( "${FILESDIR}"/${PN}-2.71-darwin.patch )
-	fi
-
-	# Save timestamp to avoid later makeinfo call
-	touch -r doc/{,old_}autoconf.texi || die
-
-	toolchain-autoconf_src_prepare
-
-	# Restore timestamp to avoid makeinfo call
-	# We already have an up to date autoconf.info page at this point.
-	touch -r doc/{old_,}autoconf.texi || die
-}
-
-src_test() {
-	emake check TESTSUITEFLAGS="--jobs=$(get_makeopts_jobs)"
-}
-
-src_install() {
-	toolchain-autoconf_src_install
-
-	# dissuade Portage from removing our dir file
-	touch "${ED}"/usr/share/${P}/info/.keepinfodir || die
-
-	local f
-	for f in config.{guess,sub} ; do
-		ln -fs ../../gnuconfig/${f} \
-			"${ED}"/usr/share/autoconf-*/build-aux/${f} || die
-	done
-}