diff --git a/build.xml b/build.xml
index a8fb2c3d61a45fa3a23f0d6b76c28ed386de1488..d5ae1b470414810a77b97881a6ff502e868e1fbe 100644
--- a/build.xml
+++ b/build.xml
@@ -278,7 +278,7 @@ POSSIBILITY OF SUCH DAMAGE.
             </fileset>
             <pathelement path="${extra.classpath}"/>
         </path>
-        <echo message="runtime.classpath=${toString:runtime.classpath}"/>
+        <!--<echo message="runtime.classpath=${toString:runtime.classpath}"/>-->
     </target>
 
     <target name="run.viskit" depends="set.classpath" description="Start the Visual Simikit (viskit) DES Authoring Tool on any O/S">