diff --git a/README.md b/README.md
index 078f875..fe718cd 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,4 @@
 # java-junit3
 
-java-junit3 is a regression testing framework written by Erich Gamma and Kent
-Beck. It is used by the developer who implements unit tests in Java.
-java-junit3 is Open Source Software, released under the IBM Public License and
-hosted on SourceForge.
+Simple JVM framework to write repeatable tests.
 
diff --git a/java-junit3-3.8.2-build.xml b/java-junit3-3.8.2-build.xml
deleted file mode 100644
index 3916043..0000000
--- a/java-junit3-3.8.2-build.xml
+++ /dev/null
@@ -1,119 +0,0 @@
-<!-- JUnit build script using ant 1.4 -->
-<project name="junit" default="dist" basedir=".">
-	<property file="${user.home}/.junit.properties" />
-	<property name="build.compiler" value="classic" />
-	<property name="version" value="3.8.2" />
-	<property name="dist"  value="junit${version}" />
-	<property name="versionfile"  value="junit/runner/Version.java" />
-	<property name="zipfile"  value="${dist}.zip" />
-	<target name="init">
-		<tstamp/>
-	</target>
-
-	<target name="versiontag" depends="init">
-		<filter token="version" value="${version}" />
-		<copy 
-			file="${versionfile}" 
-			tofile="${versionfile}tmp" 
-			filtering="on"
-		/>
-		<move file="${versionfile}tmp" tofile="${versionfile}" />
-	</target>
-
-	<target name="build" depends="versiontag">
-		<javac 
-			srcdir="."
-			destdir="."
-			debug="on"
-  		/>	
-	</target>
-
-	<target name="dist" depends="build">
-		<delete dir="${dist}" />
-		<mkdir dir="${dist}" />
-		<jar 
-			jarfile="${dist}/src.jar"
-			basedir="."
-			excludes="**/*.jar, junit/tests/**, junit/samples/**, **/*.class, doc/**, README.html, .classpath, .project, cpl-v10.html"
-		/>
-		<jar 
-			jarfile="${dist}/junit.jar"
-			basedir="."
-			excludes="**/*.jar, junit/tests/**, junit/samples/**, **/*.java, doc/**, README.html,  build.xml, jar-manifest.txt, .classpath, .project, cpl-v10.html"
-		/>
-		<copy todir="${dist}/junit/samples">
-			<fileset dir="junit/samples" />
-		</copy>
-		<copy todir="${dist}/junit/tests">
-			<fileset dir="junit/tests" />
-		</copy>
-
-
-		<delete file="${dist}/junit/tests/runner/test.jar"/> 
-		<jar jarfile="${dist}/junit/tests/runner/test.jar" 
-	 	     basedir="." 
-		     includes="junit/tests/runner/LoadedFromJar.class"
-		 /> 
-
-		<mkdir dir="${dist}/javadoc" />
-		<javadoc 
-			sourcepath="."
-			packagenames="junit.framework.*, junit.extensions.*"
-			destdir="${dist}/javadoc"
-			author="false"
-			version="false"
-			use="false"
-			windowtitle="JUnit API"
-			stylesheetfile="./javadoc/stylesheet.css"
-		/>
-		<copy todir="${dist}/doc">
-			<fileset dir="doc"/>
-		</copy>		
-		<copy file="README.html" tofile="${dist}/README.html" />
-		<copy file="cpl-v10.html" tofile="${dist}/cpl-v10.html" />
-		
-		<java classname="junit.textui.TestRunner" fork="yes">
-			<arg value="junit.samples.AllTests" />
-			<classpath>
-				<pathelement location="${dist}" />
-				<pathelement location="${dist}/junit.jar" />
-			</classpath>
-		</java>
-	</target>
-	
-	<target name="zip" depends="dist">
-		<zip 
-			zipfile="${zipfile}"
-			basedir="."
-			includes="${dist}/**"
-		/>
-	</target>
-	
-	<target name="awtui" depends="dist">
-		<java classname="junit.awtui.TestRunner" fork="yes">
-			<arg value="junit.samples.AllTests" />
-			<classpath>
-				<pathelement location="${dist}" />
-				<pathelement location="${dist}/junit.jar" />
-			</classpath>
-		</java>
-	</target>
-	
-	<target name="swingui" depends="dist">
-		<java classname="junit.swingui.TestRunner" fork="yes">
-			<arg value="junit.samples.AllTests" />
-			<classpath>
-				<pathelement location="${dist}" />
-				<pathelement location="${dist}/junit.jar" />
-			</classpath>
-		</java>
-	</target>
-
-	<target name="clean">
-		<delete dir="${dist}" quiet="true"/>			
-		<delete file="${zipfile}" quiet="true"/> 
-		<delete>
-			<fileset dir="${basedir}" includes="**/*.class" /> 
-		</delete>
-	</target>
-</project>
diff --git a/java-junit3.spec b/java-junit3.spec
index 51c83ee..d06ef66 100644
--- a/java-junit3.spec
+++ b/java-junit3.spec
@@ -1,160 +1,44 @@
 Name:          java-junit3
 Version:       3.8.2
-Release:       3mamba
+Release:       4mamba
 Summary:       Java regression test package
 Group:         Development/Tools
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      gil <puntogil@libero.it>
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://junit.org/
-Source0:       http://downloads.sourceforge.net/sourceforge/junit/junit%{version}.zip
-Source1:       java-junit3-3.8.2-build.xml
-Source2:       http://repo1.maven.org/maven2/junit/junit/%{version}/junit-%{version}.pom
+Source:        http://central.maven.org/maven2/junit/junit/%{version}/junit-%{version}.jar
 License:       Common Public License 1.0
-BuildRequires: java-gcj-compat
-BuildRequires: apache-ant
-BuildRequires: jpackage-utils 
+## AUTOBUILDREQ-BEGIN
+## AUTOBUILDREQ-END
+Obsoletes:     java-junit3-gcj
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
-%{name} is a regression testing framework written by Erich Gamma and Kent
-Beck. It is used by the developer who implements unit tests in Java.
-%{name} is Open Source Software, released under the IBM Public License and
-hosted on SourceForge.
-
-%package manual
-Group:          Documentation
-Summary:        Manual for %{name}
-
-%description manual
-%{name} is a regression testing framework written by Erich Gamma and Kent
-Beck. It is used by the developer who implements unit tests in Java.
-%{name} is Open Source Software, released under the IBM Public License and
-hosted on SourceForge.
-
-This package contains documentation for %{name}.
-
-%package javadoc
-Group:          Documentation
-Summary:        Javadoc for %{name}
-
-%description javadoc
-%{name} is a regression testing framework written by Erich Gamma and Kent
-Beck. It is used by the developer who implements unit tests in Java.
-%{name} is Open Source Software, released under the IBM Public License and
-hosted on SourceForge.
-
-This package contains javadoc for %{name}.
-
-%package demo
-Group:          Development/Libraries
-Summary:        Demos for %{name}
-Requires:       %{name} = %{version}-%{release}
-
-%description demo
-%{name} is a regression testing framework written by Erich Gamma and Kent
-Beck. It is used by the developer who implements unit tests in Java.
-%{name} is Open Source Software, released under the IBM Public License and
-hosted on SourceForge.
-
-This package contains demonstrations and samples for %{name}.
-
-%package gcj
-Summary:       GCJ %{name} support
-Group:         System/Libraries/Java
-BuildRequires: java-gcj-compat
-BuildRequires: libgcj4-devel
-Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
-Requires:      java-gcj-compat
-Requires:      jpackage-utils
-
-%description gcj
-%{name} - Java regression test package.
-
-This package contains GCJ %{name} support.
+Simple JVM framework to write repeatable tests.
 
 %prep
 
-%setup -q -n junit%{version}
-%java_home/bin/jar xf src.jar
-rm -f src.jar
-cp %{S:1} build.xml
-
 %build
-export JAVA_HOME=%java_home
-ant dist
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-
-install -d -m 755 %{buildroot}%{_javadir}
-install -m 644 junit.jar %{buildroot}%{_javadir}/junit-%{version}.jar
-(cd %{buildroot}%{_javadir} && for jar in *-%{version}*; do ln -sf ${jar} ${jar/-%{version}/}; done)
-
-install -d -m 755 %{buildroot}%{_javadocdir}/junit-%{version}
-cp -pr javadoc/* %{buildroot}%{_javadocdir}/junit-%{version}
-
-mkdir -p %{buildroot}%{_datadir}/maven2/poms
-install -m 644 %{SOURCE2} %{buildroot}%{_datadir}/maven2/poms/JPP-junit.pom
-%add_to_maven_depmap junit junit %{version} JPP junit
-
-install -d -m 755 %{buildroot}%{_datadir}/junit/demo/junit
-cp -pr junit/* %{buildroot}%{_datadir}/junit/demo/junit
-
-# these --exclude options work around an aot-compile-rpm problem with test.jar
-%{_bindir}/aot-compile-rpm --exclude usr/share/junit/demo --exclude usr/share/junit/demo/junit/tests/runner/test.jar
-
-ln -s junit-%{version} %{buildroot}%{_javadocdir}/junit
+install -D -m 644 %{SOURCE0} %{buildroot}%{_javadir}/junit-%{version}.jar
+ln -s junit-%{version}.jar %{buildroot}%{_javadir}/junit3.jar
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
-%post
-%update_maven_depmap
-
-%postun
-%update_maven_depmap
-
 %files
 %defattr(-,root,root)
 %{_javadir}/junit-%{version}.jar
-%{_javadir}/junit.jar
-%{_datadir}/maven2/poms
-%{_mavendepmapfragdir}
-%doc README.html
-
-%post gcj
-/sbin/ldconfig
-if [ -x %{_bindir}/rebuild-gcj-db ]; then
-   %{_bindir}/rebuild-gcj-db
-fi
-
-%postun gcj
-/sbin/ldconfig
-if [ -x %{_bindir}/rebuild-gcj-db ]; then
-   %{_bindir}/rebuild-gcj-db
-fi
-
-%files gcj
-%defattr(-,root,root)
-%{_libdir}/gcj/java-junit3/junit-%{version}.jar.db
-%{_libdir}/gcj/java-junit3/junit-%{version}.jar.so
-
-%files manual
-%defattr(-,root,root)
-%doc doc/*
-
-%files javadoc
-%defattr(-,root,root)
-%{_javadocdir}/junit-%{version}
-%{_javadocdir}/junit
-
-%files demo
-%defattr(-,root,root)
-%dir %{_datadir}/junit/demo/junit
-%{_datadir}/junit/demo/junit/*
+%{_javadir}/junit3.jar
 
 %changelog
+* Fri Aug 10 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 3.8.2-4mamba
+- don't provide junit.jar
+- switch to installing prebuilt jar
+
 * Fri Feb 25 2011 gil <puntogil@libero.it> 3.8.2-3mamba
 - rebuilt with java-gcj-compat 1.0.80-20mamba support
 - add maven 2 pom
diff --git a/junit-3.8.2.pom b/junit-3.8.2.pom
deleted file mode 100644
index 8488147..0000000
--- a/junit-3.8.2.pom
+++ /dev/null
@@ -1,26 +0,0 @@
-<project>
-  <modelVersion>4.0.0</modelVersion>
-  <groupId>junit</groupId>
-  <artifactId>junit</artifactId>
-  <version>3.8.2</version>
-  <name>JUnit</name>
-  <url>http://junit.org</url>
-  <description>
-    JUnit is a regression testing framework written by Erich Gamma and Kent Beck. It is used by the developer who implements unit tests in Java.
-  </description>
-  <organization>
-    <name>JUnit</name>
-    <url>http://www.junit.org</url>
-  </organization>
-  <licenses>
-    <license>
-      <name>Common Public License Version 1.0</name>
-      <url>http://www.opensource.org/licenses/cpl1.0.txt</url>
-    </license>
-  </licenses>
-  <scm>
-    <url>http://junit.cvs.sourceforge.net/junit/</url>
-  </scm>
-  <dependencies>
-  </dependencies>
-</project>