diff --git a/gui-libs/gtksourceview/Manifest b/gui-libs/gtksourceview/Manifest
index 55de1c9eacd31..32328fb39cf61 100644
--- a/gui-libs/gtksourceview/Manifest
+++ b/gui-libs/gtksourceview/Manifest
@@ -1,3 +1,2 @@
-DIST gtksourceview-5.12.1.tar.xz 1265500 BLAKE2B a9200d97cda514c62a181e3d07a0c71719710299d06e1cbc29c6b7817eb6167e7b7bdc64f32121fc54bd7093a918600c0fba70b5cb4b93906f6aaf80fd6521ed SHA512 64c347df505c640feb2d5885a3fa047a3a5dc6bf86b031ec9f8eec5544bc9d996ca3bfd41aea78ebfa9171a206a64d88773d53f1bc8d0f2171429c1ee788cd40
 DIST gtksourceview-5.14.2.tar.xz 1263508 BLAKE2B 049be85f6dca2f8209efb1ec2aa66908261b9f3e44df02734cc12f6bceca7e192f2e5773cbc71f39edb1319613ef95104407fa743c8e8512d33c00d0520a57a0 SHA512 cbdfaf3db9873302e2d38adb3fd63515b713139fb195a6135367b57f024094a6ecf581b046efbdc6417690455c88bc89b49dad4f36ec32ccddf7218ecfe87652
 DIST gtksourceview-5.16.0.tar.xz 1260396 BLAKE2B f4817b12705063409eb5dcc31232ffb27529182f9c5c00ae17a9835592125243125b21b25369a367f521c80976412b45aad3db0466d4dac91a0ac30957380347 SHA512 062d3df12672090851eaea1f533492af86fc2535dc9dbcdb85f3ce9f1eba8f7dc75c4ddc9ecb8b33379ac93af2c5ff4f22381b77d7c4153efe1001e2be1b07f3
diff --git a/gui-libs/gtksourceview/gtksourceview-5.12.1-r2.ebuild b/gui-libs/gtksourceview/gtksourceview-5.12.1-r2.ebuild
deleted file mode 100644
index c4e9738fba4fa..0000000000000
--- a/gui-libs/gtksourceview/gtksourceview-5.12.1-r2.ebuild
+++ /dev/null
@@ -1,74 +0,0 @@
-# Copyright 1999-2025 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-inherit gnome.org meson vala virtualx xdg
-
-DESCRIPTION="A text widget implementing syntax highlighting and other features"
-HOMEPAGE="https://wiki.gnome.org/Projects/GtkSourceView"
-
-LICENSE="LGPL-2.1+"
-SLOT="5"
-
-KEYWORDS="~alpha amd64 ~arm arm64 ~loong ~ppc ~ppc64 ~riscv ~sparc x86"
-IUSE="gtk-doc +introspection sysprof +vala"
-REQUIRED_USE="
-	gtk-doc? ( introspection )
-	vala? ( introspection )
-"
-
-RDEPEND="
-	>=dev-libs/glib-2.72:2
-	>=gui-libs/gtk-4.6:4[introspection?]
-	>=dev-libs/libxml2-2.6:2=
-	introspection? ( >=dev-libs/gobject-introspection-1.70.0:= )
-	>=dev-libs/fribidi-0.19.7
-	media-libs/fontconfig
-	x11-libs/pango[introspection?]
-	>=dev-libs/libpcre2-10.21:=[-recursion-limit(-)]
-	sysprof? ( dev-util/sysprof-capture:4 )
-"
-DEPEND="${RDEPEND}"
-BDEPEND="
-	dev-util/glib-utils
-	gtk-doc? ( dev-util/gi-docgen )
-	>=sys-devel/gettext-0.19.8
-	virtual/pkgconfig
-	vala? ( $(vala_depend) )
-"
-
-src_prepare() {
-	default
-	use vala && vala_setup
-	xdg_environment_reset
-}
-
-src_configure() {
-	local emesonargs=(
-		-Dinstall-tests=false
-		$(meson_feature introspection)
-		$(meson_use vala vapi)
-		$(meson_use gtk-doc documentation)
-		$(meson_use sysprof)
-	)
-	meson_src_configure
-}
-
-src_test() {
-	# Tests fail in test-regex with libpcre2[recursion-limit] - https://gitlab.gnome.org/GNOME/gtksourceview/-/issues/255
-	# Ensured OK via USE dep, as it would mean issues in real usage for syntax highlighting as well
-	virtx meson_src_test --timeout-multiplier=5
-}
-
-src_install() {
-	meson_src_install
-
-	insinto /usr/share/${PN}-5/language-specs
-	newins "${FILESDIR}"/5-gentoo.lang gentoo.lang
-
-	if use gtk-doc ; then
-		mkdir -p "${ED}"/usr/share/gtk-doc/html/ || die
-		mv "${ED}"/usr/share/doc/${PN}${SLOT} "${ED}"/usr/share/gtk-doc/html/ || die
-	fi
-}