diff --git a/sdk_container/src/third_party/portage-stable/sys-devel/m4/m4-1.4.19-r2.ebuild b/sdk_container/src/third_party/portage-stable/sys-devel/m4/m4-1.4.19-r2.ebuild
index 794419c37c..07d4b9679b 100644
--- a/sdk_container/src/third_party/portage-stable/sys-devel/m4/m4-1.4.19-r2.ebuild
+++ b/sdk_container/src/third_party/portage-stable/sys-devel/m4/m4-1.4.19-r2.ebuild
@@ -17,7 +17,7 @@ else
 	SRC_URI="mirror://gnu/${PN}/${P}.tar.xz"
 	SRC_URI+=" https://dev.gentoo.org/~floppym/dist/${P}-test-198-sysval-r1.patch.gz"
 	SRC_URI+=" verify-sig? ( mirror://gnu/${PN}/${P}.tar.xz.sig )"
-	KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 ~sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+	KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 ~sparc x86 ~arm64-macos ~x64-macos ~x64-solaris"
 fi
 
 LICENSE="GPL-3+"
diff --git a/sdk_container/src/third_party/portage-stable/sys-devel/m4/m4-1.4.20.ebuild b/sdk_container/src/third_party/portage-stable/sys-devel/m4/m4-1.4.20.ebuild
index 81341448be..3861a68701 100644
--- a/sdk_container/src/third_party/portage-stable/sys-devel/m4/m4-1.4.20.ebuild
+++ b/sdk_container/src/third_party/portage-stable/sys-devel/m4/m4-1.4.20.ebuild
@@ -1,10 +1,10 @@
-# Copyright 1999-2025 Gentoo Authors
+# Copyright 1999-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
 
 VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/m4.asc
-inherit flag-o-matic verify-sig
+inherit branding flag-o-matic verify-sig
 
 DESCRIPTION="GNU macro processor"
 HOMEPAGE="https://www.gnu.org/software/m4/m4.html"
@@ -24,7 +24,7 @@ if [[ ${PV} == *_p* ]] ; then
 else
 	SRC_URI="mirror://gnu/${PN}/${P}.tar.xz"
 	SRC_URI+=" verify-sig? ( mirror://gnu/${PN}/${P}.tar.xz.sig )"
-	KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 ~sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+	KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 ~sparc x86 ~arm64-macos ~x64-macos ~x64-solaris"
 fi
 
 LICENSE="GPL-3+"
@@ -62,11 +62,6 @@ src_configure() {
 
 	local -a myeconfargs=(
 		--enable-changeword
-
-		--with-packager="Gentoo Linux"
-		--with-packager-version="${PVR}"
-		--with-packager-bug-reports="https://bugs.gentoo.org/"
-
 		$(usex nls '' '--disable-nls')
 
 		# Disable automagic dependency over libsigsegv; see bug #278026