diff --git a/dev-util/weka/Manifest b/dev-util/weka/Manifest
index cc2d7895fbb08..a7310f69f1e25 100644
--- a/dev-util/weka/Manifest
+++ b/dev-util/weka/Manifest
@@ -1,2 +1 @@
-DIST weka-3-8-0.zip 50550487 BLAKE2B 85d7e68155c02f89e296ea1a4ee6e544287458135a941a4f618807f5c5b3e88edc6952fbdf632cfb642ef08fafcb7084dda3bda9269629610e8c532dd63d165e SHA512 7e38646a59e3d3d5fa314d269747ed7c526605253339e20f24bae55684a6cd77eeefb267b05825d8de44ae0e827873ba11ce6759b1d78a1a1975d100fd910b33
 DIST weka-3-8-6.zip 59573134 BLAKE2B 00957c9c524a9a61f961146d8c8dd2e2272997584f89e8a94d6a22e1caf711a5b082e4977cc5f42b70f82ac556b96a83b86fc780a02eb267eba190b89bf8f29a SHA512 9499e1921fde51b827243b4905708d0e36a1ab454b92889f1d33eafce9638ec8039bb769c09aefba0654b2a83e66ec99f300c1fdba4652831e5e871ca2bb4916
diff --git a/dev-util/weka/files/weka-3.8.0-build.xml.patch b/dev-util/weka/files/weka-3.8.0-build.xml.patch
deleted file mode 100644
index ca8264dc22914..0000000000000
--- a/dev-util/weka/files/weka-3.8.0-build.xml.patch
+++ /dev/null
@@ -1,16 +0,0 @@
---- a/build.xml	2016-05-15 10:56:04.011409745 +0200
-+++ b/build.xml	2016-05-15 10:57:43.971411711 +0200
-@@ -618,13 +618,6 @@
-          <include name="**/*.default"/>
-        </fileset>
-     </copy>
--    <rmic base="${build}/classes"
--       classname="weka.experiment.RemoteEngine"/>
--    <unzip src="${lib}/java-cup.jar" dest="${build}/classes">
--      <patternset>
--        <include name="java_cup/runtime/**/*"/>
--      </patternset>
--    </unzip>
-     <unzip src="${lib}/bounce.jar" dest="${build}/classes">
-       <patternset>
-         <include name="org/**/*"/>
diff --git a/dev-util/weka/weka-3.8.0-r1.ebuild b/dev-util/weka/weka-3.8.0-r1.ebuild
deleted file mode 100644
index 55852a241c27e..0000000000000
--- a/dev-util/weka/weka-3.8.0-r1.ebuild
+++ /dev/null
@@ -1,73 +0,0 @@
-# Copyright 1999-2024 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-JAVA_PKG_IUSE="source"
-
-inherit java-pkg-2 java-ant-2
-
-DESCRIPTION="A Java data mining package"
-HOMEPAGE="https://ml.cms.waikato.ac.nz/weka"
-SRC_URI="https://downloads.sourceforge.net/project/weka/weka-3-8/${PV}/weka-${PV//./-}.zip"
-
-SLOT="0"
-LICENSE="GPL-2"
-KEYWORDS="amd64 x86"
-
-DEPEND="virtual/jdk:1.8
-	dev-java/javacup:0"
-RDEPEND="virtual/jre:1.8
-	dev-java/javacup:0"
-BDEPEND="app-arch/unzip"
-
-S="${WORKDIR}/${P//./-}"
-
-PATCHES=("${FILESDIR}"/${P}-build.xml.patch)
-
-EANT_BUILD_TARGET="exejar"
-EANT_DOC_TARGET="docs"
-JAVA_ANT_IGNORE_SYSTEM_CLASSES="true"
-
-weka_get_max_memory() {
-	if use amd64; then
-		echo 512m
-	else
-		echo 256m
-	fi
-}
-
-src_prepare() {
-	unzip -qq "${PN}-src.jar" -d . || die "Failed to unpack the source"
-	rm -v weka.jar || die
-	rm -rf doc || die
-	java-pkg_jar-from --into lib javacup
-
-	sed -i -e "s/256m/$(weka_get_max_memory)/g" build.xml || die
-	default
-}
-
-src_install() {
-	java-pkg_dojar dist/${PN}.jar
-	java-pkg_dolauncher weka --main "${PN}.gui.GUIChooser"
-
-	# Really need a virtual to list all available drivers and pull the ones
-	# instaled
-	java-pkg_register-optional-dependency hsqldb,jdbc-mysql,mckoi-1
-
-	use source && java-pkg_dosrc src/main/java/weka/
-
-	dodoc README
-
-	insinto /usr/share/${PN}/data/
-	doins data/*
-}
-
-pkg_postinst() {
-	elog "If you are upgrading from weka 3.7 to later"
-	elog "and your package manager does not start please delete"
-	elog "file installedPackageCache.ser from packages folder"
-	elog "in wekafiles located in your user home."
-	elog
-	elog "rm \${HOME}/wekafiles/packages/installedPackageCache.ser"
-}