--- fop-2.5/fop/build.xml	2020-05-05 11:42:05.000000000 +0200
+++ fop-2.5/fop/build.xml	2020-06-03 11:24:41.859886083 +0200
@@ -500,7 +500,6 @@
         <attribute name="Implementation-Title" value="${Name}"/>
         <attribute name="Implementation-Version" value="${version}"/>
         <attribute name="Implementation-Vendor" value="The Apache Software Foundation (http://xmlgraphics.apache.org/fop/)"/>
-        <attribute name="Build-Id" value="${ts} (${user.name} [${os.name} ${os.version} ${os.arch}, Java ${java.runtime.version}, Target Java ${javac.target}])"/>
       </manifest>
     </jar>
   </target>
@@ -522,7 +521,6 @@
     <jar jarfile="${build.dir}/fop.jar">
       <manifest>
         <attribute name="Main-Class" value="org.apache.fop.cli.Main"/>
-        <attribute name="Build-Id" value="${ts} (${user.name} [${os.name} ${os.version} ${os.arch}, Java ${java.runtime.version}, Target Java ${javac.target}])"/>
         <section name="org/apache/fop/">
           <attribute name="Specification-Title" value="XSL-FO - Extensible Stylesheet Language"/>
           <attribute name="Specification-Version" value="1.1"/>
@@ -550,9 +548,7 @@
       <format property="ts" pattern="yyyyMMdd-HHmmss-z"/>
     </tstamp>
     <jar jarfile="${build.dir}/fop-sandbox.jar" basedir="${build.sandbox-classes.dir}">
-      <manifest>
-        <attribute name="Build-Id" value="${ts} (${user.name} [${os.name} ${os.version} ${os.arch}, Java ${java.runtime.version}, Target Java ${javac.target}])"/>
-      </manifest>
+      <manifest/>
       <metainf dir="${basedir}/.." includes="LICENSE,NOTICE"/>
     </jar>
   </target>
@@ -983,9 +979,7 @@
   </target>
   <target name="jar-javadocs" depends="javadocs" description="Generates a jar file containing the Javadocs">
     <jar jarfile="${build.dir}/${name}-${version}-javadoc.jar">
-      <manifest>
-        <attribute name="Build-Id" value="${ts} (${user.name} [${os.name} ${os.version} ${os.arch}, Java ${java.runtime.version}, Target Java ${javac.target}])"/>
-      </manifest>
+      <manifest/>
       <fileset dir="${build.javadocs.dir}"/>
       <metainf dir="${basedir}/.." includes="LICENSE,NOTICE"/>
     </jar>
--- fop-2.5/fop/examples/plan/build.xml	2020-05-05 11:42:05.000000000 +0200
+++ fop-2.5/fop/examples/plan/build.xml	2020-06-03 11:50:35.613163539 +0200
@@ -133,7 +133,6 @@
         <attribute name="Implementation-Title" value="${Name}"/>
         <attribute name="Implementation-Version" value="${version}"/>
         <attribute name="Implementation-Vendor" value="Apache Software Foundation (http://xmlgraphics.apache.org/fop/)"/>
-        <attribute name="Build-Id" value="${ts} (${user.name} [${os.name} ${os.version} ${os.arch}])"/>
     </manifest>
     </jar>
   </target>