diff --git a/dev-java/mersennetwister/Manifest b/dev-java/mersennetwister/Manifest
deleted file mode 100644
index afad5367f9155..0000000000000
--- a/dev-java/mersennetwister/Manifest
+++ /dev/null
@@ -1 +0,0 @@
-DIST mersennetwister-0_pre23765.tar.bz2 4974 BLAKE2B 3a609f7319f365234ebac8ae7b9accd447b9a506cf7cbf45c59bb2c44099e3ee780ea7754db91f96ff6f33fa84f65f20acda58d058aba30345114808ca90e65d SHA512 3c3b970da3ddc3a0b7fda299916781551867b6ce3c8ecb1f89670783d4d51e2681b07c6b2dfc15e11a03c8b949f4880b0bf1511dde2cb4ad0600688809d38e46
diff --git a/dev-java/mersennetwister/mersennetwister-0_pre23765-r3.ebuild b/dev-java/mersennetwister/mersennetwister-0_pre23765-r3.ebuild
deleted file mode 100644
index 47624e1396414..0000000000000
--- a/dev-java/mersennetwister/mersennetwister-0_pre23765-r3.ebuild
+++ /dev/null
@@ -1,23 +0,0 @@
-# Copyright 1999-2024 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-JAVA_PKG_IUSE="doc source"
-
-inherit java-pkg-2 java-pkg-simple
-
-DESCRIPTION="Modified MersenneTwister java port for Freenet"
-HOMEPAGE="http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html"
-SRC_URI="mirror://gentoo/${P}.tar.bz2"
-
-LICENSE="BSD"
-SLOT="0"
-KEYWORDS="amd64 ~arm64"
-
-DEPEND="
-	source? ( app-arch/zip )
-	>=virtual/jdk-1.8:*
-"
-
-RDEPEND=">=virtual/jre-1.8:*"
diff --git a/dev-java/mersennetwister/metadata.xml b/dev-java/mersennetwister/metadata.xml
deleted file mode 100644
index 4221e170cbc00..0000000000000
--- a/dev-java/mersennetwister/metadata.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
-<pkgmetadata>
-	<maintainer type="project">
-		<email>java@gentoo.org</email>
-		<name>Java</name>
-	</maintainer>
-</pkgmetadata>
diff --git a/profiles/package.mask b/profiles/package.mask
index 87382101d2b91..46182187876ca 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -262,12 +262,6 @@ www-servers/nginx-unit
 # Removeal on 2026-04-12. Bug #971127
 dev-tcltk/tablelist
 
-# Volkmar W. Pogatzki <gentoo@pogatzki.net> (2026-03-10)
-# Unused Java library.
-# Last consumer was net-p2p/freenet-0.7.5_p1505-r0.
-# Removal on 2026-04-10. Bug #971058.
-dev-java/mersennetwister
-
 # Arthur Zamarin <arthurzam@gentoo.org> (2026-03-09)
 # Live only package, Upstream archived, integrated into
 # app-shells/bash-completion-2.17.0, which was already stabled.