diff --git a/sdk_container/src/third_party/portage-stable/app-arch/zstd/Manifest b/sdk_container/src/third_party/portage-stable/app-arch/zstd/Manifest
index ef1912e820..152b021960 100644
--- a/sdk_container/src/third_party/portage-stable/app-arch/zstd/Manifest
+++ b/sdk_container/src/third_party/portage-stable/app-arch/zstd/Manifest
@@ -1,2 +1 @@
-DIST zstd-1.5.5.tar.gz 2368543 BLAKE2B 7680e27a0adacfb809d9fc81e06d3f99bf74df30374d3b5cb2d58f667dd1b7d5c41697e608592709e17c0e32277f20a6d615edee409b5d7cdcb15da2799a2350 SHA512 99109ec0e07fa65c2101c9cb36be56b672bbd0ee69d265f924718e61f9192ae8385c8d9e4d0c318be9edfa6d849fd3d60e5f164fa120961449429ea3c5dab6b6
 DIST zstd-1.5.6.tar.gz 2406875 BLAKE2B fe17cf0950f8ee2cc07bfa2b41e97f36a1832e396386cb94a55bede975dc974920578cf147b39eecbc5b53ff06fe0dc1fe781a4cab9bc9f767ea28c0e786422e SHA512 54a578f2484da0520a6e9a24f501b9540a3fe3806785d6bc9db79fc095b7c142a7c121387c7eecd460ca71446603584ef1ba4d29a33ca90873338c9ffbd04f14
diff --git a/sdk_container/src/third_party/portage-stable/app-arch/zstd/zstd-1.5.5-r1.ebuild b/sdk_container/src/third_party/portage-stable/app-arch/zstd/zstd-1.5.5-r1.ebuild
deleted file mode 100644
index 7045add235..0000000000
--- a/sdk_container/src/third_party/portage-stable/app-arch/zstd/zstd-1.5.5-r1.ebuild
+++ /dev/null
@@ -1,67 +0,0 @@
-# Copyright 1999-2024 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-inherit meson-multilib
-
-DESCRIPTION="zstd fast compression library"
-HOMEPAGE="https://facebook.github.io/zstd/"
-SRC_URI="https://github.com/facebook/zstd/releases/download/v${PV}/${P}.tar.gz"
-S="${WORKDIR}"/${P}/build/meson
-
-LICENSE="|| ( BSD GPL-2 )"
-SLOT="0/1"
-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"
-IUSE="+lzma lz4 static-libs test zlib"
-RESTRICT="!test? ( test )"
-
-RDEPEND="
-	lzma? ( app-arch/xz-utils )
-	lz4? ( app-arch/lz4:= )
-	zlib? ( sys-libs/zlib )
-"
-DEPEND="${RDEPEND}"
-
-MESON_PATCHES=(
-	# Workaround until Valgrind bugfix lands
-	"${FILESDIR}"/${PN}-1.5.4-no-find-valgrind.patch
-)
-
-PATCHES=(
-)
-
-src_prepare() {
-	cd "${WORKDIR}"/${P} || die
-	default
-
-	cd "${S}" || die
-	eapply "${MESON_PATCHES[@]}"
-}
-
-multilib_src_configure() {
-	local native_file="${T}"/meson.${CHOST}.${ABI}.ini.local
-
-	# This replaces the no-find-valgrind patch once bugfix lands in a meson
-	# release + we can BDEPEND on it (https://github.com/mesonbuild/meson/pull/11372)
-	cat >> ${native_file} <<-EOF || die
-	[binaries]
-	valgrind='valgrind-falseified'
-	EOF
-
-	local emesonargs=(
-		-Ddefault_library=$(multilib_native_usex static-libs both shared)
-
-		$(meson_native_true bin_programs)
-		$(meson_native_true bin_contrib)
-		$(meson_use test bin_tests)
-
-		$(meson_native_use_feature zlib)
-		$(meson_native_use_feature lzma)
-		$(meson_native_use_feature lz4)
-
-		--native-file "${native_file}"
-	)
-
-	meson_src_configure
-}
diff --git a/sdk_container/src/third_party/portage-stable/app-arch/zstd/zstd-1.5.5.ebuild b/sdk_container/src/third_party/portage-stable/app-arch/zstd/zstd-1.5.5.ebuild
deleted file mode 100644
index 66c41519a8..0000000000
--- a/sdk_container/src/third_party/portage-stable/app-arch/zstd/zstd-1.5.5.ebuild
+++ /dev/null
@@ -1,73 +0,0 @@
-# Copyright 1999-2023 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-inherit meson-multilib usr-ldscript
-
-DESCRIPTION="zstd fast compression library"
-HOMEPAGE="https://facebook.github.io/zstd/"
-SRC_URI="https://github.com/facebook/zstd/releases/download/v${PV}/${P}.tar.gz"
-S="${WORKDIR}"/${P}/build/meson
-
-LICENSE="|| ( BSD GPL-2 )"
-SLOT="0/1"
-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"
-IUSE="+lzma lz4 static-libs test zlib"
-RESTRICT="!test? ( test )"
-
-RDEPEND="
-	lzma? ( app-arch/xz-utils )
-	lz4? ( app-arch/lz4:= )
-	zlib? ( sys-libs/zlib )
-"
-DEPEND="${RDEPEND}"
-
-MESON_PATCHES=(
-	# Workaround until Valgrind bugfix lands
-	"${FILESDIR}"/${PN}-1.5.4-no-find-valgrind.patch
-)
-
-PATCHES=(
-)
-
-src_prepare() {
-	cd "${WORKDIR}"/${P} || die
-	default
-
-	cd "${S}" || die
-	eapply "${MESON_PATCHES[@]}"
-}
-
-multilib_src_configure() {
-	local native_file="${T}"/meson.${CHOST}.${ABI}.ini.local
-
-	# This replaces the no-find-valgrind patch once bugfix lands in a meson
-	# release + we can BDEPEND on it (https://github.com/mesonbuild/meson/pull/11372)
-	cat >> ${native_file} <<-EOF || die
-	[binaries]
-	valgrind='valgrind-falseified'
-	EOF
-
-	local emesonargs=(
-		-Ddefault_library=$(multilib_native_usex static-libs both shared)
-
-		$(meson_native_true bin_programs)
-		$(meson_native_true bin_contrib)
-		$(meson_use test bin_tests)
-
-		$(meson_native_use_feature zlib)
-		$(meson_native_use_feature lzma)
-		$(meson_native_use_feature lz4)
-
-		--native-file "${native_file}"
-	)
-
-	meson_src_configure
-}
-
-multilib_src_install() {
-	meson_src_install
-
-	multilib_is_native_abi && gen_usr_ldscript -a zstd
-}