diff --git a/src/docs/part2/adding_detectors.md b/src/docs/part2/adding_detectors.md
index 8bbdd1ab31f0a2490dcacc4174bad9b45593f0a6..16a180a43e2697e07cfc985d931e9b3baae14bca 100644
--- a/src/docs/part2/adding_detectors.md
+++ b/src/docs/part2/adding_detectors.md
@@ -272,7 +272,6 @@ And have a look at the detector part of `compact/gem_tracker_endcap.xml`.
     <module_component thickness="30.0*um" material="Kapton"  name="readout"     sensitive="true"/>
     <module_component thickness=" 3.0*um" material="Copper"  name="readout_Cu"/>
     <module_component thickness="127.0*um" material="Mylar"/>
-    <module_component thickness="200.0*um" material="Epoxy" sensitive="true" vis="GreenVis"/>
   </module>
   <module name="GEMSupportModule1" vis="OrangeVis">
     <trd x1="GEMTrackerEndcapFoilX2/2.0" x2="GEMTrackerEndcapFoilX1/2.0" z="GEMTrackerEndcapFrameBotEdge_width"/>