diff --git a/dev-erlang/mqtree/Manifest b/dev-erlang/mqtree/Manifest
deleted file mode 100644
index 9407698..0000000
--- a/dev-erlang/mqtree/Manifest
+++ /dev/null
@@ -1 +0,0 @@
-DIST mqtree-1.0.4.tar.gz 227872 BLAKE2B 756542c77cecd3da12917c43c5c1a36f54af0bc18b66d1571d1a7428378fcd3c643168c182c3215ab5f7890b8292ef89248424567f6aa608c074548b055e0774 SHA512 5033c89bfbaba34a357bfd8d7981c75c362f7e9d039ef6035aad66e3562f848ff047fbbd612b51dfde79a0f7233337afb4a47dac5df369fa1c5e14b5d5b1911f
diff --git a/dev-erlang/mqtree/mqtree-1.0.4.ebuild b/dev-erlang/mqtree/mqtree-1.0.4.ebuild
deleted file mode 100644
index c73531e..0000000
--- a/dev-erlang/mqtree/mqtree-1.0.4.ebuild
+++ /dev/null
@@ -1,21 +0,0 @@
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=6
-
-inherit rebar
-
-DESCRIPTION="Index tree for MQTT topic filters"
-HOMEPAGE="https://github.com/processone/mqtree"
-SRC_URI="https://github.com/processone/${PN}/archive/${PV}.tar.gz
-	-> ${P}.tar.gz"
-
-LICENSE="Apache-2.0"
-SLOT="0"
-KEYWORDS="~amd64 ~arm ~ia64 ~ppc ~sparc ~x86"
-
-DEPEND=">=dev-erlang/p1_utils-1.0.16
-	>=dev-lang/erlang-17.1"
-RDEPEND="${DEPEND}"
-
-DOCS=( README.md )
diff --git a/dev-erlang/pkix/Manifest b/dev-erlang/pkix/Manifest
deleted file mode 100644
index fd34141..0000000
--- a/dev-erlang/pkix/Manifest
+++ /dev/null
@@ -1 +0,0 @@
-DIST pkix-1.0.3.tar.gz 391302 BLAKE2B 8ff0403b6beed707afb8cca51c027d140f06273def0cff3588c9ee26673021d1fbb5b7397281c7daa27f076d61a222843251ab626661727f65255012846f9756 SHA512 b45c8fc74a1ef7d61818ba8a72bb141fa28796dadc36829f3456f1a87b5c263a5d708e4512cd91f54efd59dc14a47e31aa67ecb90c378f22fd42e77d6110320f
diff --git a/dev-erlang/pkix/pkix-1.0.3.ebuild b/dev-erlang/pkix/pkix-1.0.3.ebuild
deleted file mode 100644
index a448556..0000000
--- a/dev-erlang/pkix/pkix-1.0.3.ebuild
+++ /dev/null
@@ -1,20 +0,0 @@
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=6
-
-inherit rebar
-
-DESCRIPTION="PKIX certificates management library for Erlang"
-HOMEPAGE="https://github.com/processone/pkix"
-SRC_URI="https://github.com/processone/${PN}/archive/${PV}.tar.gz
-	-> ${P}.tar.gz"
-
-LICENSE="Apache-2.0"
-SLOT="0"
-KEYWORDS="~alpha ~amd64 ~arm ~ia64 ~ppc ~ppc64 ~sparc ~x86"
-
-DEPEND=">=dev-lang/erlang-17.1"
-RDEPEND="${DEPEND}"
-
-DOCS=( README.md )
diff --git a/dev-erlang/stringprep/Manifest b/dev-erlang/stringprep/Manifest
deleted file mode 100644
index 94ae1ce..0000000
--- a/dev-erlang/stringprep/Manifest
+++ /dev/null
@@ -1 +0,0 @@
-DIST stringprep-1.0.16.tar.gz 98798 BLAKE2B 3733cccf2ffd296c1082a158b96c243de7a04532e2a76174641ee2448025181d8d2b1a293830ef6f61fffd9afe950359015b517c860a31a5b717d13e37a3536b SHA512 c2e8141f62c23d2061b1858c0fde0c1f6ef66041761586d9862808ccae634cbdb75cee087c5a8e39543d923785a5f128ff1509906d9e50651138d7b24ad8888b
diff --git a/dev-erlang/stringprep/stringprep-1.0.16.ebuild b/dev-erlang/stringprep/stringprep-1.0.16.ebuild
deleted file mode 100644
index 553f405..0000000
--- a/dev-erlang/stringprep/stringprep-1.0.16.ebuild
+++ /dev/null
@@ -1,21 +0,0 @@
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=6
-
-inherit rebar
-
-DESCRIPTION="Fast Stringprep implementation for Erlang and Elixir"
-HOMEPAGE="https://github.com/processone/stringprep"
-SRC_URI="https://github.com/processone/${PN}/archive/${PV}.tar.gz
-	-> ${P}.tar.gz"
-
-LICENSE="Apache-2.0 tcltk"
-SLOT="0"
-KEYWORDS="~amd64 ~arm ~ia64 ~ppc ~sparc ~x86"
-
-DEPEND=">=dev-erlang/p1_utils-1.0.15
-	>=dev-lang/erlang-17.1"
-RDEPEND="${DEPEND}"
-
-DOCS=( CHANGELOG.md README.md )