diff --git a/reference_detector.xml b/reference_detector.xml
index 60c1c2aa1052d906292e62e8b933d3f6af3dc776..5faa21c83937cf43977b8354ba359f859a5c01f4 100644
--- a/reference_detector.xml
+++ b/reference_detector.xml
@@ -117,7 +117,7 @@
   <include ref="compact/solenoid.xml"/>
   <include ref="compact/ecal.xml"/>
   <include ref="compact/hcal.xml"/>
-  <include ref="compact/ce_GEM.xml"/>
+  <!--include ref="compact/ce_GEM.xml"/-->
   <include ref="compact/vertex_tracker.xml"/>
   <include ref="compact/gem_tracker_endcap.xml"/>
   <include ref="compact/ce_mrich.xml"/>