--- build.xml.orig
+++ build.xml
@@ -372,7 +365,6 @@
 
     <target name="add-emma-jars" if="coverage.enabled">
         <jar destfile="${lib.dir}/jruby.jar" compress="true" index="true" update="true">
-            <zipfileset src="${build.lib.dir}/emma.jar"/>
         </jar>
     </target>
 
@@ -397,15 +390,6 @@
                 <exclude name="**/*openssl*/**/*"/>
                 <exclude name="org/jruby/gen/org$jruby$ext$openssl*"/>
             </fileset>
-            <zipfileset src="${build.lib.dir}/${asm.jar}"/>
-            <zipfileset src="${build.lib.dir}/${asm.util.jar}"/>
-            <zipfileset src="${build.lib.dir}/${asm.tree.jar}"/>
-            <zipfileset src="${build.lib.dir}/${asm.commons.jar}"/>
-            <zipfileset src="${build.lib.dir}/${asm.analysis.jar}"/>
-            <zipfileset src="${build.lib.dir}/yecht.jar"/>
-            <zipfileset src="${build.lib.dir}/nailgun-0.7.1.jar"/>
-            <zipfileset src="${build.lib.dir}/invokebinder.jar"/>
-            <zipfileset src="${build.lib.dir}/yydebug.jar"/>
             <metainf dir="spi">
                 <include name="services/**"/>
             </metainf>