diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9e909a0b1800a65125a317e268256112d1c75f34..4c2733fc7042cbda8caca7b9fec3738d2110a7f2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,7 +19,7 @@ dd4hep_add_plugin(${a_lib_name} SOURCES src/*.cpp
           USES ActsCore ActsPluginDD4hep
   )
 target_link_libraries(${a_lib_name}
-  PUBLIC DD4hep::DDCore  DD4hep::DDRec
+  PUBLIC DD4hep::DDCore 
   )
 
 #-----------------------------------------------------------------------------------
diff --git a/athena.xml b/athena.xml
index f8a756696047c0626ae1ea6c559c1814332f4e07..9387ad3cae2355862be143b42c6a59df5092301e 100644
--- a/athena.xml
+++ b/athena.xml
@@ -199,14 +199,20 @@
       <composite name="VertexEndcapP" />
     </detector>
 
+    <detector id="TrackerBarrelSubAssembly_Inner_ID"
+      name="TrackerBarrelSubAssembly_Inner"
+      type="DD4hep_SubdetectorAssembly"
+      vis="TrackerSubAssemblyVis">
+      <composite name="TrackerBarrel_Inner"/>
+    </detector>
     <detector id="TrackerEndcapSubAssembly_Inner_ID"
-      name="TrackerSubAssembly_Inner"
+      name="TrackerEndcapSubAssembly_Inner"
       type="DD4hep_SubdetectorAssembly"
       vis="TrackerSubAssemblyVis">
       <composite name="TrackerEndcapN_Inner"/>
-      <composite name="TrackerBarrel_Inner"/>
       <composite name="TrackerEndcapP_Inner"/>
     </detector>
+
     <detector id="TrackerBarrelSubAssembly_Outer_ID"
       name="TrackerSubAssembly_Outer"
       type="DD4hep_SubdetectorAssembly"
@@ -279,6 +285,7 @@
   <include ref="compact/ecal_barrel_interlayers.xml"/>
 
   <include ref="compact/hcal.xml"/>
+
   <!--include ref="compact/ce_GEM.xml"/-->
   <!--include ref="compact/gem_tracker_endcap.xml"/-->
   <include ref="compact/mrich.xml"/>
diff --git a/src/TrapEndcapTracker_geo.cpp b/src/TrapEndcapTracker_geo.cpp
index 9e829d7ebc6916706cd8a28fe75b08bdf173ba5f..69dc101e135f79466f5ff3a59b31c898bf10bcea 100644
--- a/src/TrapEndcapTracker_geo.cpp
+++ b/src/TrapEndcapTracker_geo.cpp
@@ -1,19 +1,3 @@
-//==========================================================================
-//  AIDA Detector description implementation
-//--------------------------------------------------------------------------
-// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
-// All rights reserved.
-//
-// For the licensing terms see $DD4hepINSTALL/LICENSE.
-// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
-//
-// Author     : M.Frank
-//
-//==========================================================================
-//
-// Specialized generic detector constructor
-//
-//==========================================================================
 #include <map>
 #include "DD4hep/DetFactoryHelper.h"
 #include "Acts/Plugins/DD4hep/ActsExtension.hpp"
@@ -23,6 +7,11 @@ using namespace std;
 using namespace dd4hep;
 using namespace dd4hep::detail;
 
+/*! Endcap Trapezoidal Tracker.
+ *
+ * @author Whitney Armstrong
+ *
+ */
 static Ref_t create_detector(Detector& description, xml_h e, SensitiveDetector sens)
 {
   typedef vector<PlacedVolume> Placements;
@@ -114,8 +103,10 @@ static Ref_t create_detector(Detector& description, xml_h e, SensitiveDetector s
       c_vol.setVisAttributes(description.visAttributes(c.visStr()));
       pv = m_volume.placeVolume(c_vol, Position(0, posY + c_thick / 2, 0));
       if (c.isSensitive()) {
+        std::cout << " adding sensitive volume" << c_name << "\n";
         sdet.check(n_sensor > 2, "SiTrackerEndcap2::fromCompact: " + c_name + " Max of 2 modules allowed!");
         pv.addPhysVolID("sensor", n_sensor);
+        sens.setType("tracker");
         c_vol.setSensitiveDetector(sens);
         sensitives[m_nam].push_back(pv);
         ++n_sensor;
@@ -164,6 +155,8 @@ static Ref_t create_detector(Detector& description, xml_h e, SensitiveDetector s
     Acts::ActsExtension* layerExtension = new Acts::ActsExtension();
     layerExtension->addType("layer", "layer");
     //layerExtension->addType("axes", "definitions", "XZY");
+    //layerExtension->addType("sensitive disk", "layer");
+    //layerExtension->addType("axes", "definitions", "XZY");
     layer_element.addExtension<Acts::ActsExtension>(layerExtension);
 
     for (xml_coll_t ri(x_layer, _U(ring)); ri; ++ri) {
@@ -185,7 +178,7 @@ static Ref_t create_detector(Detector& description, xml_h e, SensitiveDetector s
         double     y      = -r * std::sin(phi);
 
         if (!reflect) {
-          DetElement module(sdet, m_base + "_pos", det_id);
+          DetElement module(layer_element, m_base + "_pos", det_id);
           pv = layer_vol.placeVolume(
               m_vol, Transform3D(RotationZYX(0, -M_PI / 2 - phi, -M_PI / 2), Position(x, y, zstart + dz)));
           pv.addPhysVolID("barrel", 1).addPhysVolID("layer", l_id).addPhysVolID("module", mod_num);
@@ -194,20 +187,22 @@ static Ref_t create_detector(Detector& description, xml_h e, SensitiveDetector s
             PlacedVolume sens_pv = sensVols[ic];
             DetElement   comp_elt(module, sens_pv.volume().name(), mod_num);
             comp_elt.setPlacement(sens_pv);
-            Acts::ActsExtension* moduleExtension = new Acts::ActsExtension();
+        //std::cout << " adding ACTS extension" << "\n";
+            Acts::ActsExtension* moduleExtension = new Acts::ActsExtension("XZY");
             comp_elt.addExtension<Acts::ActsExtension>(moduleExtension);
           }
         } else {
           pv = layer_vol.placeVolume(
               m_vol, Transform3D(RotationZYX(0, -M_PI / 2 - phi, -M_PI / 2), Position(x, y, -zstart - dz)));
           pv.addPhysVolID("barrel", 2).addPhysVolID("layer", l_id).addPhysVolID("module", mod_num);
-          DetElement r_module(sdet, m_base + "_neg", det_id);
+          DetElement r_module(layer_element, m_base + "_neg", det_id);
           r_module.setPlacement(pv);
           for (size_t ic = 0; ic < sensVols.size(); ++ic) {
             PlacedVolume sens_pv = sensVols[ic];
             DetElement   comp_elt(r_module, sens_pv.volume().name(), mod_num);
             comp_elt.setPlacement(sens_pv);
-            Acts::ActsExtension* moduleExtension = new Acts::ActsExtension();
+        //std::cout << " adding ACTS extension" << "\n";
+            Acts::ActsExtension* moduleExtension = new Acts::ActsExtension("XZY");
             comp_elt.addExtension<Acts::ActsExtension>(moduleExtension);
           }
         }