diff --git a/build/org.eclipse.birt.releng.birtbuilder/prepare.sh b/build/org.eclipse.birt.releng.birtbuilder/prepare.sh
new file mode 100644
index 00000000000..423b08e4b13
--- /dev/null
+++ b/build/org.eclipse.birt.releng.birtbuilder/prepare.sh
@@ -0,0 +1,38 @@
+workspace=releng.440
+pde_build_version=3.7.0.v20110512-1320
+
+rm -rf $workspace/src/plugins/*
+rm -rf $workspace/src/updateJars
+rm -rf $workspace/src/features/*
+rm -rf $workspace/src/maps/*
+rm -rf $workspace/src/source
+rm -rf $workspace/src/*tmpsite* $workspace/src/*.properties $workspace/src/*.xml $workspace/src/nestedJars
+rm -rf $workspace/src/buildRepo rm -rf $workspace/src/rootfiles
+rm -f $workspace/src/*.zip
+rm -f $workspace/src/*.log
+rm -f $workspace/src/*.txt
+rm -f $workspace/src/*.jar
+rm -f  $workspace/org.eclipse.birt.releng.birtbuilder/monitor.properties
+rm -f  $workspace/org.eclipse.birt.releng.birtbuilder/monitor.log
+rm -f downloads/4_4_0/*.zip
+rm -f downloads/4_4_0/*.txt
+rm -f downloads/4_4_0/*.gz
+
+rm -rf $workspace/src/scmCache
+rm -rf $workspace/org.eclipse.releng.basebuilder/plugins/org.eclipse.pde.build_$pde_build_version/scripts/productBuild/scmCache/*
+rm -rf $workspace/org.eclipse.releng.basebuilder/plugins/org.eclipse.pde.build_$pde_build_version/scripts/scmCache/*
+rm -rf  $workspace/org.eclipse.birt.releng.birtbuilder/eclipse/buildConfigs/birt.rcp/scmCache/*
+
+#CLEAN TEMP FOLDER FOR UNIT TEST
+rm -rf /tmp/DataEngine_*
+rm -rf /tmp/outputtestData*
+rm -f /tmp/BasicDiskList*
+rm -f /tmp/*.png
+rm -f /tmp/*.jpg
+rm -f /tmp/design*
+rm -rf /tmp/BIRTSampleDB_*
+rm -rf /tmp/org.eclipse.birt.report.model*
+rm -rf /tmp/DTETest*
+
+#ant -f prepare.xml -logfile prepareBuilder.log
+