diff --git a/dev-util/weka/Manifest b/dev-util/weka/Manifest
index fc4e3c937c1b8..20467709d8146 100644
--- a/dev-util/weka/Manifest
+++ b/dev-util/weka/Manifest
@@ -1,2 +1 @@
-DIST weka-3-7-13.zip 42159458 BLAKE2B ede4e225dac3d2eb875eaddfee8209a8c50b0095a885c4c9384703aa476d75ec9f1bc4dfcdc2e2874b623f0cf4090f281fe77d8363c1fb5300409c4a6e119f44 SHA512 aa15b857d3b3b35720468206e42a157cc8c63d6bf3f4fdda93845da7e4e4ffca0201b2b92056486a2245681f7e0052dc75959194be954d84b391e812bd49ce5e
 DIST weka-3-8-0.zip 50550487 BLAKE2B 85d7e68155c02f89e296ea1a4ee6e544287458135a941a4f618807f5c5b3e88edc6952fbdf632cfb642ef08fafcb7084dda3bda9269629610e8c532dd63d165e SHA512 7e38646a59e3d3d5fa314d269747ed7c526605253339e20f24bae55684a6cd77eeefb267b05825d8de44ae0e827873ba11ce6759b1d78a1a1975d100fd910b33
diff --git a/dev-util/weka/files/weka-3.7.13-build.xml.patch b/dev-util/weka/files/weka-3.7.13-build.xml.patch
deleted file mode 100644
index 05da33df23d6c..0000000000000
--- a/dev-util/weka/files/weka-3.7.13-build.xml.patch
+++ /dev/null
@@ -1,16 +0,0 @@
---- a/build.xml	2016-04-11 16:45:18.592385569 +0200
-+++ b/build.xml	2016-04-11 16:48:01.756389582 +0200
-@@ -603,13 +603,6 @@
-          <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}/packageManager.jar" dest="${build}/classes">
-       <patternset>
-         <include name="org/**/*"/>
diff --git a/dev-util/weka/weka-3.7.13.ebuild b/dev-util/weka/weka-3.7.13.ebuild
deleted file mode 100644
index 3b118c2f74e3e..0000000000000
--- a/dev-util/weka/weka-3.7.13.ebuild
+++ /dev/null
@@ -1,65 +0,0 @@
-# Copyright 1999-2016 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI="6"
-
-JAVA_PKG_IUSE="source"
-
-inherit java-pkg-2 java-ant-2 versionator
-
-MY_P="${PN}-$(replace_all_version_separators '-')"
-DESCRIPTION="A Java data mining package"
-SRC_URI="mirror://sourceforge/${PN}/${MY_P}.zip"
-HOMEPAGE="http://www.cs.waikato.ac.nz/ml/weka/"
-SLOT="0"
-LICENSE="GPL-2"
-KEYWORDS="amd64 x86"
-DEPEND=">=virtual/jdk-1.6
-	app-arch/unzip
-	>=dev-java/javacup-0.11a_beta20060608:0"
-RDEPEND=">=virtual/jre-1.6
-	>=dev-java/javacup-0.11a_beta20060608:0"
-IUSE=""
-
-S="${WORKDIR}/${MY_P}"
-
-PATCHES=("${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 "${PN}.gui.GUIChooser"
-
-	# Really need a virtual to list all available drivers and pull the ones
-	# instaled
-	java-pkg_register-optional-dependency hsqldb,jdbc-mysql,mckoi-1
-
-	use source && java-pkg_dosrc src/main/java/weka/
-
-	dodoc README
-
-	dodir /usr/share/${PN}/data/
-	insinto /usr/share/${PN}/data/
-	doins data/*
-}