experiment deleting specific directories
diff --git a/releng.wtpbuilder/scripts/build/buildutilities.xml b/releng.wtpbuilder/scripts/build/buildutilities.xml
index 6d83c22..849aaf4 100644
--- a/releng.wtpbuilder/scripts/build/buildutilities.xml
+++ b/releng.wtpbuilder/scripts/build/buildutilities.xml
@@ -41,7 +41,7 @@
 		<unpackUpdateJars site="${tmpsite}/eclipse" output="${tmpsite}/unpacked/eclipse"/>
 	
 	    <!-- experiment to see if threading issues with unpackUpdateJars -->
-	    <sleep seconds="180"/>
+	    <sleep seconds="30"/>
 		
 		<!-- add copy of legal doc's here, product.ini, etc., before re-zipping -->
 		<copy todir="${tmpsite}/unpacked/eclipse">
@@ -56,6 +56,12 @@
 		 <zip destfile="${buildDirectory}/${buildLabel}/${archiveName}"
 			       basedir="${tmpsite}/unpacked" update="false"	  />	
 		
+	    <delete dir="${tmpsite}/eclipse/features}" verbose="true" />
+	    <delete dir="${tmpsite}/eclipse/plugins}" verbose="true" />
+	    <delete dir="${tmpsite}/eclipse}" verbose="true" />
+	    <delete dir="${tmpsite}/unpacked/eclipse/features}" verbose="true" />
+	    <delete dir="${tmpsite}/unpacked/eclipse/plugins}" verbose="true" />
+	    <delete dir="${tmpsite}/unpacked/eclipse}" verbose="true" />
 		<delete dir="{tmpsite}" verbose="true" />
 	
 	</target>