diff --git a/app-metrics/prometheus/ChangeLog b/app-metrics/prometheus/ChangeLog
index 4334fd8..6a5f4c9 100644
--- a/app-metrics/prometheus/ChangeLog
+++ b/app-metrics/prometheus/ChangeLog
@@ -1,3 +1,6 @@
+  29 Sep 2020; Manuel Friedli <manuel@gentoo.org> -prometheus-2.13.1.ebuild:
+  app-metrics/prometheus: Purge old ebuild
+
   29 Sep 2020; Manuel Friedli <manuel@gentoo.org> prometheus-2.19.1.ebuild:
   app-metrics/prometheus: Add forgotten service file
 
diff --git a/app-metrics/prometheus/Manifest b/app-metrics/prometheus/Manifest
index 818fb30..c983ece 100644
--- a/app-metrics/prometheus/Manifest
+++ b/app-metrics/prometheus/Manifest
@@ -2,10 +2,8 @@ AUX prometheus-3.initd 848 BLAKE2B 062f20c87cbd20325b1160c8bdd6bf0e2a043b03cd55b
 AUX prometheus.confd 43 BLAKE2B c83afa8ad1133c9e93abd40c862ff5b3ac9a3b3c4447b915ae1482d92096dec9f200d089de2458a6cdb0e72d2bf0652d56e3afd6d5a3cd8a3ed7a6c9a0e3e42c SHA512 37468e897cd34b50b0edc65ada3f0c2e05459c3d96bb7f82d58b6de5bf10a127f1bf7912af93d83d94e3ea7287cfeb2311e36535f291d01a11d152a0b438591c
 AUX prometheus.initd 929 BLAKE2B d48650b11b77d4d04b5458682456fb20f8085dc3efe9d0ddd2a6c75751ddae156bbb83c20082bc7b6833395602c24da61e2f7610bdff291e05e3eeb4fb651317 SHA512 504122eb8ed19beac81987b77eb78bba9b36b2ef15f28b1a542804271046e06363baf464f3c303982f647eba65fbc2b5459235f56625e1ff3fed9834937cd0d2
 AUX prometheus.service 440 BLAKE2B 81a89d51ce54e4af5a1d400cee05418e031bce5d87df5546d5e759a6f9814d16eb88266dd129d40c94c1b7d971281f45f5a63a091a8ee6110fe601b909fc5175 SHA512 db040d60eaeffe5583a2e01d0e8c855ad7585ff89627b6fa0bbeac923381ef32154b49ddf7997d8774937d317cbc705357d90a05d2eedee417f7ce6ee486b291
-DIST prometheus-2.13.1.tar.gz 15249891 BLAKE2B 35cd3c81bdb4f3a783c2ab1f1318946db5b25c94496fe351739a59259a726bf54d418d6b29efeff44c8007353ed63368819ce89ffe6a4f380b7ae216da3c4d63 SHA512 aed3b44db97cd2a67add64d13e950246b25c2b459f6b1081a6c548862c4e85c055254a0dfb94b08ac85f83dbbe30afceb1c54a8ad6f7ff1367aeb6af6d270e8a
 DIST prometheus-2.19.1-assets.tar.gz 5032055 BLAKE2B 75bc247d3dfbcccf3a9d7ef8a23fabe2d92d698670f5aabb19e1ee019e0197aa4fd49cfd53353e09a765a014af70ad860c7d1b6bce292632e5ed1175dd206ae9 SHA512 52d1f80d9ab2de778e8a0c81549ff83647d3d8af37ccf535a6fc4ac45fe29f25f6592e9b5eb137cd5ed6f6730835e4ba52b6c4c82e5b0bb2336b90c809d756de
 DIST prometheus-2.19.1.tar.gz 13343138 BLAKE2B 042f2c6e10e3d7f50b2373d9c3977db0318c8c9839e313463890ccae58c91d6d46c306d5aaeb795fb1a9649477b179999cb6b182aca9dee222d8fba557bf6d74 SHA512 a54a83b21ac8f3477e678ca365b8f04adcbe5cdd8a17d842eb9cd2e3428238841fb0492da6f4ec973f48803b0739667c734ae8a88b48d12555e23410e6461629
-EBUILD prometheus-2.13.1.ebuild 2063 BLAKE2B 87f71b82f276ab8edee18afc0b3dc6282ba2a729972e01596e50103679e0e19cfd238405871cdc5f45ed2de8415e35195dc6cd9f5db9fa456d79c4a07bfead9f SHA512 a61452a0bc74c2a7c747a37248955a22c369d0fb658b65108d1379789eed9da4592b13ba50d85f70ef6c42d4063e863aa4d7eb609e43dec49f0167379e61778d
 EBUILD prometheus-2.19.1.ebuild 1892 BLAKE2B 38bfd5f96ea9066ee5f8bd9e77ff9f43627008f6149fcbe148a2865c405636e637a6271907a1e86cdf98e6d9a07252458285346be8b7d41bb967061882372eb5 SHA512 2775060a8268cbf9de19a68fdf8eb3e54333be40746031288b10421084b1de20e3a434d88b84c7d144ce296e97ef6fb799bac3082e851fe51e27bc017274f5e7
-MISC ChangeLog 589 BLAKE2B 7d8dff35bfaa4f36c8d950a6d4251fef980fecf1af61af1b0eef73c03799a7886c01aeddd25c65249b0af3fedb2998136797323a362da2cc622fa0beae766c3c SHA512 128ece0ec9428465b2e2308adfec9a54856ecf2ee95d95987a5642aa86bf918201ba0faba895478fef561aef4395b14630a49757cd3bf3c9be8bfe7f2a80264b
+MISC ChangeLog 710 BLAKE2B b6a69422bfa31f83039edd345b0f1a6db2d93ca9a9c22228cab5daa4a9fce8e3997ad0222ebfdc910e23569ee0e84980300339c8972caaacd59397c3c38d9097 SHA512 d1819bca89bbe9451874f3d40173bb35542d65359cf8566c9f3b4fbc6f9abf809f7fe8a4f7fce2c3a860bcd37df398757e25641f88e3f44f66ddd465d9d49aa3
 MISC metadata.xml 334 BLAKE2B 270b8d4817af970210624443197549e469d28b03ad38d87c1d3b7da0cb59476da6394989577fd199d26bf63322d0e74474428e493c8b4969fd74a42aa82adf5b SHA512 41aaef9331d9b27b5d7e0587679199bbbe149c5a4edfa9bc9932c2ea18b2c970d96d8f07a4a33253d567baab666d58e55f928db669ee2ff5d8ef0c7cd5da1e85
diff --git a/app-metrics/prometheus/prometheus-2.13.1.ebuild b/app-metrics/prometheus/prometheus-2.13.1.ebuild
deleted file mode 100644
index ec048d1..0000000
--- a/app-metrics/prometheus/prometheus-2.13.1.ebuild
+++ /dev/null
@@ -1,69 +0,0 @@
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=6
-inherit user golang-build golang-vcs-snapshot systemd
-
-EGO_PN="github.com/prometheus/prometheus"
-MY_PV=v${PV/_rc/-rc.}
-PROMETHEUS_COMMIT="6f92ce5"
-KEYWORDS="~amd64"
-
-DESCRIPTION="Prometheus monitoring system and time series database"
-HOMEPAGE="https://github.com/prometheus/prometheus"
-SRC_URI="https://${EGO_PN}/archive/${MY_PV}.tar.gz -> ${P}.tar.gz"
-LICENSE="Apache-2.0"
-SLOT="0"
-IUSE=""
-
-DEPEND="
-	>=dev-lang/go-1.12
-	>=dev-util/promu-0.3.0"
-
-PROMETHEUS_HOME="/var/lib/prometheus"
-
-RESTRICT="test"
-
-pkg_setup() {
-	enewgroup prometheus
-	enewuser prometheus -1 -1 "${PROMETHEUS_HOME}" prometheus
-}
-
-src_prepare() {
-	default
-	sed -i -e "s/{{.Revision}}/${PROMETHEUS_COMMIT}/" src/${EGO_PN}/.promu.yml || die
-}
-
-src_compile() {
-	pushd src/${EGO_PN} || die
-	GO111MODULE=on GOPATH="${S}" GOCACHE="${T}/go-cache" promu build -v || die
-	popd || die
-}
-
-src_install() {
-	pushd src/${EGO_PN} || die
-	dobin promtool prometheus
-	dodoc -r {documentation,{README,CHANGELOG,CONTRIBUTING}.md}
-	insinto /etc/prometheus
-	doins documentation/examples/prometheus.yml
-	insinto /usr/share/prometheus
-	doins -r console_libraries consoles
-	dosym ../../usr/share/prometheus/console_libraries /etc/prometheus/console_libraries
-	dosym ../../usr/share/prometheus/consoles /etc/prometheus/consoles
-	popd || die
-
-	systemd_dounit "${FILESDIR}"/prometheus.service
-	newinitd "${FILESDIR}"/prometheus.initd prometheus
-	newconfd "${FILESDIR}"/prometheus.confd prometheus
-	keepdir /var/log/prometheus /var/lib/prometheus
-	fowners prometheus:prometheus /var/log/prometheus /var/lib/prometheus
-}
-
-pkg_postinst() {
-	if has_version '<net-analyzer/prometheus-2.0.0_rc0'; then
-		ewarn "Old prometheus 1.x TSDB won't be converted to the new prometheus 2.0 format"
-		ewarn "Be aware that the old data currently cannot be accessed with prometheus 2.0"
-		ewarn "This release requires a clean storage directory and is not compatible with"
-		ewarn "files created by previous beta releases"
-	fi
-}