diff --git a/eic_ip6.xml b/eic_ip6.xml
index e5c2f0753d961b43d890e0dd1967362da0a9286d..3020e4369f0fd53835e1be97346fa9d55026ca61 100644
--- a/eic_ip6.xml
+++ b/eic_ip6.xml
@@ -6,7 +6,6 @@
     <constant name="world_x" value="world_side"/>
     <constant name="world_y" value="world_side"/>
     <constant name="world_z" value="100*m"/>
-    <constant name="BeamPipe_ID" value="1"/>
 
     <include ref="ip6/ip6_defs.xml" />
   </define>