diff --git a/games-fps/doomsday/Manifest b/games-fps/doomsday/Manifest
deleted file mode 100644
index 861c3c1659355..0000000000000
--- a/games-fps/doomsday/Manifest
+++ /dev/null
@@ -1 +0,0 @@
-DIST doomsday-2.3.1.tar.gz 47840812 BLAKE2B 5a45c9e0f781f0cc67367c703504568ee7f7cd0a96c57266ccf6bfbdf0d1e4ef838b2605b7dcecafe91f18d29c40ddbf9f6b5b0c049e94a95ce9fbbba4bddd1a SHA512 ca952fe0191529fe1192b16331d6c17d14e106f2366f5517177e51fdb50ea32baa2bf70d22bde5946101fac2926333fce6a8a317bc662df9f7662c5e023a669c
diff --git a/games-fps/doomsday/doomsday-2.3.1.ebuild b/games-fps/doomsday/doomsday-2.3.1.ebuild
deleted file mode 100644
index b0f396eb0dd61..0000000000000
--- a/games-fps/doomsday/doomsday-2.3.1.ebuild
+++ /dev/null
@@ -1,92 +0,0 @@
-# Copyright 1999-2025 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-PYTHON_COMPAT=( python3_{11..13} )
-inherit cmake flag-o-matic python-any-r1 qmake-utils readme.gentoo-r1 xdg
-
-DESCRIPTION="A modern gaming engine for Doom, Heretic, and Hexen"
-HOMEPAGE="https://dengine.net"
-SRC_URI="https://downloads.sourceforge.net/project/deng/Doomsday%20Engine/${PV}/${P}.tar.gz"
-S="${WORKDIR}/${P}/${PN}"
-LICENSE="GPL-3+ LGPL-3+"
-SLOT="0"
-KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~x86"
-IUSE="demo +display-mode freedoom fluidsynth openal tools"
-
-RDEPEND="
-	dev-qt/qtcore:5=
-	dev-qt/qtgui:5=[-gles2-only]
-	dev-qt/qtnetwork:5=
-	dev-qt/qtopengl:5=
-	dev-qt/qtwidgets:5=
-	dev-qt/qtx11extras:5=
-	media-libs/assimp:=
-	net-misc/curl
-	virtual/zlib:=
-	x11-libs/libX11
-	display-mode? (
-		x11-libs/libXrandr
-		x11-libs/libXxf86vm
-	)
-	fluidsynth? ( media-sound/fluidsynth:= )
-	openal? ( media-libs/openal )
-	tools? ( sys-libs/ncurses:0= )
-"
-DEPEND="${RDEPEND}"
-BDEPEND="${PYTHON_DEPS}
-	virtual/pkgconfig
-"
-PDEPEND="
-	demo? ( games-fps/doom-data )
-	freedoom? ( games-fps/freedoom )
-"
-
-DOC_CONTENTS="You need to copy Doom, Doom 2, Chex Quest, Heretic, Hexen, HexenDD, or Doom64 wads to a folder of your choice and then tell the game engine where that folder is. This is different to older versions, which had separate launchers for each game and required the files to be in a specific place."
-
-src_prepare() {
-	cmake_src_prepare
-
-	# Fix QA warning for "installing to one or more unexpected paths"
-	sed -e "10s:/texc:/${PF}:" -i tools/texc/CMakeLists.txt || die
-}
-
-src_configure() {
-	# -Werror=odr, -Werror=lto-type-mismatch
-	# https://bugs.gentoo.org/858743
-	#
-	# Currently working on reporting an upstream bug. Four different websites
-	# including sourceforge and github but the only place for submitting bugs
-	# is a self-hosted redmine that has disabled registration.
-	filter-lto
-
-	local mycmakeargs=(
-		-DDENG_ASSIMP_EMBEDDED=OFF
-		-DDENG_ENABLE_DISPLAYMODE=$(usex display-mode)
-		-DDENG_ENABLE_TOOLS=$(usex tools)
-		-DPYTHON_EXECUTABLE="${PYTHON}"
-		-DQMAKE=$(qt5_get_bindir)/qmake
-	)
-	cmake_src_configure
-}
-
-src_install() {
-	cmake_src_install
-
-	if use tools; then
-		mv -v "${ED}"/usr/bin/md2tool{,.${PN}} || die
-	fi
-
-	readme.gentoo_create_doc
-}
-
-pkg_postinst() {
-	xdg_pkg_postinst
-	readme.gentoo_print_elog
-
-	if use tools; then
-		einfo "In order to prevent a file collision with games-fps/eduke32[tools],"
-		einfo "the utility md2tool has been renamed to md2tool.doomsday."
-	fi
-}
diff --git a/games-fps/doomsday/metadata.xml b/games-fps/doomsday/metadata.xml
deleted file mode 100644
index 0b45508d1e96a..0000000000000
--- a/games-fps/doomsday/metadata.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
-<pkgmetadata>
-	<maintainer type="project">
-		<email>games@gentoo.org</email>
-		<name>Gentoo Games Project</name>
-	</maintainer>
-	<use>
-		<flag name="demo">Install launcher dor doom1.wad from <pkg>games-fps/doom-data</pkg></flag>
-		<flag name="display-mode">Include the ability to set the display mode</flag>
-		<flag name="fluidsynth">Build the FluidSynth sound driver</flag>
-		<flag name="freedoom">Install launcher for doom1.wad from <pkg>games-fps/freedoom</pkg></flag>
-		<flag name="tools">Build additional tools such as doomsday-shell, md2tool and texc</flag>
-	</use>
-	<upstream>
-		<remote-id type="sourceforge">deng</remote-id>
-		<remote-id type="github">skyjake/Doomsday-Engine</remote-id>
-		<bugs-to>https://tracker.dengine.net/projects/deng</bugs-to>
-	</upstream>
-</pkgmetadata>
diff --git a/profiles/features/big-endian/package.mask b/profiles/features/big-endian/package.mask
index ad50941f1487a..fb5e0e38a1dce 100644
--- a/profiles/features/big-endian/package.mask
+++ b/profiles/features/big-endian/package.mask
@@ -84,7 +84,6 @@ games-fps/freedoom
 games-engines/odamex
 games-engines/uzdoom
 games-fps/chocolate-doom
-games-fps/doomsday
 games-fps/gzdoom
 games-fps/freedoom-data
 media-libs/zmusic
diff --git a/profiles/package.mask b/profiles/package.mask
index f117b89f9ebea..5489758437bde 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -176,12 +176,6 @@ dev-ruby/twitter
 # Removal on or after 2026-01-08.
 media-libs/libsvgtiny-pixbuf
 
-# Andreas Sturmlechner <asturm@gentoo.org> (2025-12-07)
-# Last release depends on Qt5, upstream appears dormant. Several
-# alternatives are available in ::gentoo. Bug #967107
-# Removal on 2026-01-15
-games-fps/doomsday
-
 # Andreas Sturmlechner <asturm@gentoo.org> (2025-12-07)
 # IUSE qt5 feature sees no porting effort upstream. 2.4.9-r1 remains
 # available with IUSE qt5 removed. Bug #965503