diff --git a/java-sac-1.3-BUNDLE-MANIFEST.MF b/java-sac-1.3-BUNDLE-MANIFEST.MF
deleted file mode 100644
index 5166380..0000000
--- a/java-sac-1.3-BUNDLE-MANIFEST.MF
+++ /dev/null
@@ -1,10 +0,0 @@
-Manifest-Version: 1.0
-Bundle-RequiredExecutionEnvironment: J2SE-1.3,CDC-1.0/Foundation-1.0
-Bundle-SymbolicName: org.w3c.css.sac
-Bundle-ManifestVersion: 2
-Bundle-Name: %pluginName
-Bundle-Localization: plugin
-Bundle-Version: 1.3.0.v200805290154
-Bundle-Vendor: %providerName
-Export-Package: org.w3c.css.sac;version="1.3.0",org.w3c.css.sac.helper
- s;version="1.3.0"
diff --git a/java-sac-1.3-build.xml b/java-sac-1.3-build.xml
deleted file mode 100644
index 23a2899..0000000
--- a/java-sac-1.3-build.xml
+++ /dev/null
@@ -1,66 +0,0 @@
-<!-- simple generic build file -->
-
-<project name="sac" default="all" basedir=".">
-
-  <!-- Properties -->
-
-  <property name="name" value="sac"/>
-  <property name="src" value="src"/>
-  <property name="build" value="build"/>
-  <property name="build.classes" value="${build}/classes"/>
-  <property name="build.doc" value="${build}/api"/>
-  <property name="build.lib" value="${build}/lib"/>
-  <property name="packagenames" value="org.w3c.css.sac.*"/>
-
-  <!-- Targets -->
-
-  <!-- Prepare build directories -->
-  <target name="prepare">
-    <mkdir dir="${src}"/>
-    <mkdir dir="${build}"/>
-    <mkdir dir="${build.classes}"/>
-    <mkdir dir="${build.lib}"/>
-    <mkdir dir="${build.doc}"/>
-    <copy todir="${src}/org">
-      <fileset dir="org"/>
-    </copy>
-  </target>
-
-  <!-- Kill all the created directories -->
-  <target name="clean">
-    <delete dir="${build}"/>
-    <delete dir="${src}"/>
-  </target>
-
-  <!-- Build classes -->
-  <target name="classes" depends="prepare">
-    <javac srcdir="${src}" destdir="${build.classes}" debug="off" optimize="on"/>
-    <copy todir="${build.classes}">
-      <fileset dir="${src}">
-        <include name="**/*.properties"/>
-      </fileset>
-    </copy>
-  </target>
-
-  <!-- Build jar archives -->
-  <target name="jar" depends="classes">
-    <jar jarfile="${build.lib}/${name}.jar" basedir="${build.classes}"/>
-  </target>
-
-  <!-- Build the full JavaDocs -->
-  <target name="javadoc" depends="prepare">
-    <javadoc sourcepath="${src}"
-            destdir="${build.doc}"
-            doctitle="${name} JavaDoc"
-            windowtitle="${name} JavaDoc"
-            package="true"
-            author="true"
-            version="true"
-            packagenames="${packagenames}"
-    />
-  </target>
-
-  <!-- Build everything -->
-  <target name="all" depends="jar,javadoc"/>
-
-</project>
diff --git a/java-sac.spec b/java-sac.spec
index 21aa725..5bf9626 100644
--- a/java-sac.spec
+++ b/java-sac.spec
@@ -1,94 +1,50 @@
 Name:          java-sac
 Version:       1.3
-Release:       3mamba
+Release:       4mamba
 Summary:       The Simple API for CSS
 Group:         System/Libraries/Java
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://www.w3.org/Style/CSS/SAC/
+URL:           https://www.w3.org/Style/CSS/SAC/
 Source0:       http://www.w3.org/2002/06/sacjava-%{version}.zip
-Source1:       java-sac-%{version}-build.xml
-Source2:       http://repository.jboss.com/maven2/org/w3c/css/sac/%{version}/sac-%{version}.pom
-Source3:       java-sac-%{version}-BUNDLE-MANIFEST.MF
 License:       W3C
+## AUTOBUILDREQ-BEGIN
+## AUTOBUILDREQ-END
 BuildRequires: apache-ant
-BuildRequires: jpackage-utils
-Requires:      jpackage-utils
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+BuildRequires: javapackages
+Requires:      javapackages
 
 %description
 SAC is a standard interface for CSS parser and supposed to work with CSS1, CSS2, CSS3 (currently under development) and other CSS derived languages.
 
-%package javadoc
-Group:          Documentation
-Summary:        Javadoc for %{name}
-
-%description javadoc
-SAC is a standard interface for CSS parser and supposed to work with CSS1, CSS2, CSS3 (currently under development) and other CSS derived languages.
-
-This package contains javadoc for %{name}.
-
 %prep
 %setup -q -n sac-%{version}
 
-for j in $(find . -name "*.jar"); do
-	mv $j ${j}.no
-done
-
-cp -pr %{S:1} build.xml
-chmod -R go=u-w *
-
 %build
-ant jar
-ant javadoc
-
-mkdir -p META-INF
-cp -p %{SOURCE3} META-INF/MANIFEST.MF
-touch META-INF/MANIFEST.MF
-zip -u build/lib/sac.jar META-INF/MANIFEST.MF
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
 mkdir -p %{buildroot}%{_javadir}
-install -pm 644 build/lib/sac.jar \
+install -pm 644 sac.jar \
 	%{buildroot}%{_javadir}/sac-%{version}.jar
 
-(
-	cd %{buildroot}%{_javadir}
-	ln -sf sac-%{version}.jar sac.jar
-)
-
-mkdir -p %{buildroot}%{_datadir}/maven2/poms
-install -m 644 %{SOURCE2} %{buildroot}%{_datadir}/maven2/poms/JPP-sac.pom
-%add_to_maven_depmap org.w3c.css sac %{version} JPP sac
-
-mkdir -p %{buildroot}%{_javadocdir}/sac
-cp -pr build/api/* %{buildroot}%{_javadocdir}/sac
+ln -sf sac-%{version}.jar %{buildroot}%{_javadir}/sac.jar
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
-%post
-%update_maven_depmap
-
-%postun
-%update_maven_depmap
-
 %files
 %defattr(0644,root,root,0755)
 %{_javadir}/sac-%{version}.jar
 %{_javadir}/sac.jar
-%{_datadir}/maven2/poms
-%{_mavendepmapfragdir}
 %doc COPYRIGHT.html
 
-%files javadoc
-%defattr(0644,root,root,0755)
-%{_javadocdir}/sac
-
 %changelog
+* Thu Dec 02 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.3-4mamba
+- restored (libreoffice dependency)
+
 * Mon Dec 13 2010 gil <puntogil@libero.it> 1.3-3mamba
 - rebuilt devel
 
diff --git a/sac-1.3.pom b/sac-1.3.pom
deleted file mode 100644
index a6d8671..0000000
--- a/sac-1.3.pom
+++ /dev/null
@@ -1,31 +0,0 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<groupId>org.w3c.css</groupId>
-	<artifactId>sac</artifactId>
-	<version>1.3</version>
-	<packaging>jar</packaging>
-	<name>Simple API for CSS</name>
-	<description>SAC is a standard interface for CSS parsers.</description>
-	<url>http://www.w3.org/Style/CSS/SAC/</url>
-	<organization>
-		<name>World Wide Web Consortium</name>
-		<url>http://www.w3.org/</url>
-	</organization>
-	<licenses>
-		<license>
-			<name>The W3C Software License</name>
-			<url>http://www.w3.org/Consortium/Legal/copyright-software-19980720</url>
-		</license>
-	</licenses>
-	<mailingLists>
-		<mailingList>
-			<name>www-style</name>
-			<subscribe>http://lists.w3.org/Archives/Public/www-style/</subscribe>
-			<unsubscribe>http://lists.w3.org/Archives/Public/www-style/</unsubscribe>
-			<archive>http://lists.w3.org/Archives/Public/www-style/</archive>
-			<post>www-style@w3.org</post>
-		</mailingList>
-	</mailingLists>
-</project>