diff -u -r1.2 -r1.3
--- sid_dbd_postPandora.xml	19 Jul 2012 17:02:28 -0000	1.2
+++ sid_dbd_postPandora.xml	26 Jul 2012 17:31:24 -0000	1.3
@@ -16,6 +16,7 @@

         <driver name="EventMarkerDriver"/>
         <driver name="MCTruthLinker"/>
         <driver name="RECWriter"/>

+        <driver name="TrackHitRemover"/>

         <driver name="DSTPreparation"/>
         <driver name="DSTWriter"/>
     </execute>

@@ -52,12 +53,18 @@

                 type="org.lcsim.util.loop.LCIODriver">
             <outputFilePath>${recFile}</outputFilePath>
         </driver>

+
+        <!-- Remove all HelicalTrackHits not associated with a track and clear RawTrackerHit References-->
+        <driver name="TrackHitRemover"
+                type="org.lcsim.recon.util.RemoveUnusedTrackerHits">
+            <clearRawTrackerHits>true</clearRawTrackerHits>
+        </driver>

         
         <!-- Prepare collections for DST output -->
         <driver name="DSTPreparation"
                 type="org.lcsim.util.LCIOFlagDriver">
             <subset>MCParticlesSkimmed false</subset>

-            <keepTrackHits>Tracks false</keepTrackHits>

+            <keepTrackHits>Tracks true</keepTrackHits>

             <keepClusterHits>ReconClusters false</keepClusterHits>
         </driver>
         

@@ -65,7 +72,7 @@

         <driver name="DSTWriter"
                 type="org.lcsim.util.loop.LCIODriver">
             <outputFilePath>${dstFile}</outputFilePath>

-            <writeOnlyCollections>PrimaryVertex PrimaryVertex_RP BuildUpVertex BuildUpVertex_RP BuildUpVertex_V0 BuildUpVertex_V0_RP PandoraPFOCollection RecoMCTruthLink Tracks TrackMCTruthLink ReconClusters ClusterMCTruthLink MCParticlesSkimmed</writeOnlyCollections>

+            <writeOnlyCollections>PrimaryVertex PrimaryVertex_RP BuildUpVertex BuildUpVertex_RP BuildUpVertex_V0 BuildUpVertex_V0_RP PandoraPFOCollection RecoMCTruthLink Tracks TrackMCTruthLink ReconClusters ClusterMCTruthLink MCParticlesSkimmed HelicalTrackHits</writeOnlyCollections>

         </driver>
     </drivers>
 </lcsim>