diff --git a/profiles/package.mask b/profiles/package.mask
index a2a37c8e9c2ba..a150169b3cbf3 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -623,12 +623,6 @@ dev-haskell/pandoc-citeproc
 dev-ruby/activeldap:5
 dev-ruby/web-console:3
 
-# Sam James <sam@gentoo.org> (2022-07-19)
-# Unaddressed file collisions, fails to build with slibtool, EAPI 6, and
-# out of date. Bugs #800617, #658318. No reverse dependencies in ::gentoo
-# and needs a dependency in ::sci to run tests. Removal on 2022-08-19.
-sci-libs/io_lib
-
 # Hans de Graaff <graaff@gentoo.org> (2022-07-16)
 # No longer supported upstream. Use a newer ruby version instead.
 # Masked for removal in 30 days.
diff --git a/sci-libs/io_lib/Manifest b/sci-libs/io_lib/Manifest
deleted file mode 100644
index 8e2e6e6a3a027..0000000000000
--- a/sci-libs/io_lib/Manifest
+++ /dev/null
@@ -1 +0,0 @@
-DIST io_lib-1.14.7.tar.gz 2177248 BLAKE2B 6c1a8133a0f0edd253bf0c475cb206294f95659efc82679034f36d8eb963e4020b953f18c0ccfefa6dad61daffbd054513d36a7bdf0e725b8c5a943d98e0d567 SHA512 c1021f0a0dd284e8abbf9cc1dd11995550cf6621455c873effaab56b573fee053ed9e55879003c735c26c403a0aa34d75be87d337cd515cc912706abe7e08665
diff --git a/sci-libs/io_lib/io_lib-1.14.7.ebuild b/sci-libs/io_lib/io_lib-1.14.7.ebuild
deleted file mode 100644
index 61c5170f0012e..0000000000000
--- a/sci-libs/io_lib/io_lib-1.14.7.ebuild
+++ /dev/null
@@ -1,37 +0,0 @@
-# Copyright 1999-2018 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=6
-
-DESCRIPTION="General purpose trace and experiment file reading/writing interface"
-HOMEPAGE="http://staden.sourceforge.net/"
-SRC_URI="mirror://sourceforge/staden/${P}.tar.gz"
-
-LICENSE="BSD"
-SLOT="0/11"
-KEYWORDS="~amd64 ~ppc ~x86 ~amd64-linux ~x86-linux"
-IUSE="static-libs"
-
-RDEPEND="
-	app-arch/bzip2:=
-	app-arch/xz-utils:=
-	net-misc/curl:=
-	sys-libs/zlib:="
-DEPEND="${RDEPEND}"
-
-# tests fails and might need sci-biology/staden from
-# the science overlay
-RESTRICT="test"
-
-src_configure() {
-	econf $(use static-libs static)
-}
-
-src_install() {
-	default
-	dodoc docs/{Hash_File_Format,ZTR_format}
-
-	if ! use static-libs; then
-		find "${D}" \( -name '*.la' -o -name '*.a' \) -delete || die
-	fi
-}
diff --git a/sci-libs/io_lib/metadata.xml b/sci-libs/io_lib/metadata.xml
deleted file mode 100644
index 07698c90cc114..0000000000000
--- a/sci-libs/io_lib/metadata.xml
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
-<pkgmetadata>
-	<maintainer type="project">
-		<email>sci@gentoo.org</email>
-		<name>Gentoo Science Project</name>
-	</maintainer>
-	<longdescription>
-		io_lib is a library of file reading and writing code to provide a
-		general purpose trace file (and Experiment File) reading interface. The
-		programmer simply calls the (eg) read_reading to create a "Read" C structure
-		with the data loaded into memory.
-	</longdescription>
-	<upstream>
-		<remote-id type="sourceforge">staden</remote-id>
-	</upstream>
-</pkgmetadata>