diff --git a/sci-astronomy/celestia/celestia-9999.ebuild b/sci-astronomy/celestia/celestia-9999.ebuild
deleted file mode 100644
index 00f32e5f7b4b2..0000000000000
--- a/sci-astronomy/celestia/celestia-9999.ebuild
+++ /dev/null
@@ -1,113 +0,0 @@
-# Copyright 1999-2022 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=7
-
-LUA_COMPAT=( lua5-{1..3} luajit )
-
-inherit desktop flag-o-matic lua-single xdg cmake
-
-if [[ ${PV} == *9999 ]] ; then
-	EGIT_REPO_URI="https://github.com/CelestiaProject/Celestia.git"
-	inherit git-r3
-else
-	if [[ ${PV} == *_p* ]] ; then
-		COMMIT_ID="df508a0c597a3d96c1c039fa4a973e294021cfba"
-		SRC_URI="https://github.com/${PN^}Project/${PN^}/archive/${COMMIT_ID}.tar.gz -> ${P}.tar.gz"
-		S="${WORKDIR}/${PN^}-${COMMIT_ID}"
-		KEYWORDS="~amd64 ~x86"
-	else
-		SRC_URI="https://github.com/${PN^}Project/${PN^}/archive/${PV/_/-}.tar.gz -> ${P}.tar.gz"
-	fi
-fi
-
-DESCRIPTION="OpenGL 3D space simulator"
-HOMEPAGE="https://celestia.space"
-
-LICENSE="GPL-2+"
-SLOT="0"
-IUSE="ffmpeg glut lua nls +qt5"
-REQUIRED_USE="|| ( glut qt5 )
-	lua? ( ${LUA_REQUIRED_USE} )"
-
-BDEPEND="
-	dev-cpp/eigen
-	virtual/pkgconfig
-	nls? (
-		sys-devel/gettext
-		virtual/libintl
-	)
-"
-DEPEND="
-	<dev-libs/libfmt-9.0.0:=
-	media-libs/freetype
-	media-libs/glew:0=
-	media-libs/libepoxy
-	media-libs/libglvnd
-	media-libs/libjpeg-turbo:0=
-	media-libs/libpng:0=
-	sys-libs/zlib:=
-	virtual/glu
-	virtual/opengl
-	ffmpeg? ( media-video/ffmpeg )
-	glut? ( media-libs/freeglut )
-	lua? ( ${LUA_DEPS} )
-	qt5? (
-		dev-qt/qtcore:5
-		dev-qt/qtgui:5
-		dev-qt/qtopengl:5
-		dev-qt/qtwidgets:5
-	)
-"
-RDEPEND="${DEPEND}"
-
-PATCHES=(
-	# add a ~/.celestia for extra directories
-	"${FILESDIR}"/${PN}-1.6.99-cfg.patch
-	# allow forcing CMake to look for a specific Lua version instead of the newest branch installed
-	"${FILESDIR}"/${PN}-1.7.0-cmake_lua_version.patch
-)
-
-src_prepare() {
-	cmake_src_prepare
-
-	### This version of Celestia has a bug in the font rendering and
-	### requires -fsigned-char. We should be able to force this flag
-	### on all architectures. See bug #316573.
-	append-flags "-fsigned-char"
-}
-
-src_configure() {
-	local mycmakeargs=(
-		-DENABLE_CELX="$(usex lua)"
-		-DENABLE_NLS="$(usex nls)"
-		-DENABLE_GLUT="$(usex glut)"
-		-DENABLE_GTK=OFF
-		-DENABLE_QT="$(usex qt5)"
-		-DENABLE_WIN=OFF
-		-DENABLE_FFMPEG="$(usex ffmpeg)"
-	)
-	# Upstream always looks for LuaJIT first unless stopped, and we only need
-	# the version specification when linking against PUC Lua
-	if use lua && ! use lua_single_target_luajit ; then
-		mycmakeargs+=(
-			-DCMAKE_DISABLE_FIND_PACKAGE_LuaJIT=ON
-			-DLUA_VERSION=$(lua_get_version)
-		)
-	fi
-	cmake_src_configure
-}
-
-src_install() {
-	cmake_src_install
-
-	newicon -s 128 "${S}"/src/celestia/gtk/data/${PN}-logo.png ${PN}.png
-	doicon -s scalable "${S}"/src/celestia/gtk/data/${PN}.svg
-
-	local backend
-	for backend in glut qt5 ; do
-		use ${backend} && domenu debian/celestia-${backend/qt5/qt}.desktop
-	done
-
-	dodoc AUTHORS README TRANSLATORS *.txt
-}