--- build.xml.orig	2008-04-22 17:22:58.000000000 -0700
+++ build.xml	2008-04-22 17:27:32.000000000 -0700
@@ -168,34 +168,18 @@
        <patternset refid="java.src.pattern"/>
     </javac>
   </target>
 
   <target name="jar-jruby" unless="jar-up-to-date">
-      <antcall target="generate-method-classes" inheritall="true"/>
-      <taskdef name="jarjar" classname="com.tonicsystems.jarjar.JarJarTask" classpath="${build.lib.dir}/jarjar-1.0rc7.jar"/>
-      <jarjar destfile="${lib.dir}/jruby.jar">
-        <fileset dir="${jruby.classes.dir}">
-          <exclude name="org/jruby/util/ant/**/*.class"/>
-        </fileset>
-        <zipfileset src="${build.lib.dir}/asm-3.0.jar"/>
-        <zipfileset src="${build.lib.dir}/asm-commons-3.0.jar"/>
-        <zipfileset src="${build.lib.dir}/asm-util-3.0.jar"/>
-        <zipfileset src="${build.lib.dir}/asm-analysis-3.0.jar"/>
-        <zipfileset src="${build.lib.dir}/asm-tree-3.0.jar"/>
-        <zipfileset src="${build.lib.dir}/bytelist-0.1.jar"/>
-        <zipfileset src="${build.lib.dir}/jvyamlb-0.1.jar"/>
-        <zipfileset src="${build.lib.dir}/jline-0.9.93.jar"/>
-        <zipfileset src="${build.lib.dir}/joni.jar"/>
-        <zipfileset src="${build.lib.dir}/jna-posix.jar"/>
-        <zipfileset src="${build.lib.dir}/jna.jar"/>
-        <zipfileset src="${build.lib.dir}/joda-time-1.5.1.jar"/>
-        <rule pattern="org.objectweb.asm.**" result="jruby.objectweb.asm.@1"/>
-        <manifest>
-          <attribute name="Built-By" value="${user.name}"/>
-          <attribute name="Main-Class" value="org.jruby.Main"/>
-        </manifest>
-      </jarjar>
+    <antcall target="generate-method-classes" inheritall="true"/>
+    <jar destfile="${lib.dir}/jruby.jar">
+      <fileset dir="${jruby.classes.dir}" />
+      <manifest>
+        <attribute name="Built-By" value="${user.name}"/>
+        <attribute name="Main-Class" value="org.jruby.Main"/>
+      </manifest>
+    </jar>
   </target>
 
   <path id="lib.classpath">
     <pathelement location="${build.lib.dir}/retroweaver-rt-2.0.5.jar"/>
     <pathelement location="${build.lib.dir}/backport-util-concurrent.jar"/>