diff --git a/benchmarks/track_finding/options/track_reconstruction.py b/benchmarks/track_finding/options/track_reconstruction.py
index b1f93175839f9e50d9be62646170097975947984..abf177b53698725fb531924174c784313cdcaf9c 100644
--- a/benchmarks/track_finding/options/track_reconstruction.py
+++ b/benchmarks/track_finding/options/track_reconstruction.py
@@ -43,8 +43,9 @@ from Configurables import Jug__Reco__SimpleClustering as SimpleClustering
 
 algorithms = [ ]
 
-podioinput = PodioInput("PodioReader", 
-                        collections=["mcparticles","TrackerEndcapHits","TrackerBarrelHits","VertexBarrelHits","VertexEndcapHits","GEMTrackerEndcapHits","BarrelTOFHits","ForwardTOFHits","BackwardTOFHits"])
+podioinput = PodioInput("PodioReader",
+                        collections=["mcparticles","TrackerEndcapHits","TrackerBarrelHits","VertexBarrelHits","VertexEndcapHits","BarrelTOFHits","ForwardTOFHits","BackwardTOFHits"])
+                        #collections=["mcparticles","TrackerEndcapHits","TrackerBarrelHits","VertexBarrelHits","VertexEndcapHits","GEMTrackerEndcapHits","BarrelTOFHits","ForwardTOFHits","BackwardTOFHits"])
 algorithms.append( podioinput )
 
 ## copiers to get around input --> output copy bug. Note the "2" appended to the output collection.
@@ -81,11 +82,11 @@ vtx_ec_digi = TrackerDigi("vtx_ec_digi",
         timeResolution=8)
 algorithms.append( vtx_ec_digi )
 
-gem_ec_digi = TrackerDigi("gem_ec_digi",
-        inputHitCollection="GEMTrackerEndcapHits",
-        outputHitCollection="GEMTrackerEndcapRawHits",
-        timeResolution=10)
-algorithms.append(gem_ec_digi)
+#gem_ec_digi = TrackerDigi("gem_ec_digi",
+#        inputHitCollection="GEMTrackerEndcapHits",
+#        outputHitCollection="GEMTrackerEndcapRawHits",
+#        timeResolution=10)
+#algorithms.append(gem_ec_digi)
 
 tof_b_digi = TrackerDigi("tof_b_digi",
         inputHitCollection="BarrelTOFHits",
@@ -126,10 +127,10 @@ vtx_ec_reco = TrackerHitReconstruction("vtx_ec_reco",
         outputHitCollection="VertexEndcapRecHits")
 algorithms.append( vtx_ec_reco )
 
-gem_ec_reco = TrackerHitReconstruction("gem_ec_reco",
-        inputHitCollection=gem_ec_digi.outputHitCollection,
-        outputHitCollection="GEMTrackerEndcapRecHits")
-algorithms.append(gem_ec_reco)
+#gem_ec_reco = TrackerHitReconstruction("gem_ec_reco",
+#        inputHitCollection=gem_ec_digi.outputHitCollection,
+#        outputHitCollection="GEMTrackerEndcapRecHits")
+#algorithms.append(gem_ec_reco)
 
 tof_b_reco = TrackerHitReconstruction("tof_b_reco",
         inputHitCollection=tof_b_digi.outputHitCollection,
@@ -152,7 +153,7 @@ trk_hit_col = TrackingHitsCollector("trk_hit_col",
             str(trk_ec_reco.outputHitCollection),
             str(vtx_b_reco.outputHitCollection),
             str(vtx_ec_reco.outputHitCollection),
-            str(gem_ec_reco.outputHitCollection),
+#            str(gem_ec_reco.outputHitCollection),
             str(tof_b_reco.outputHitCollection),
             str(tof_forward_reco.outputHitCollection),
             str(tof_backward_reco.outputHitCollection) ],