diff --git a/Trigger/TrigT1/TrigT1CTP/src/CTPSimulation.h b/Trigger/TrigT1/TrigT1CTP/src/CTPSimulation.h
index 0cf02bca41be8d8f9526512376b630812af8052d..843848a5a8e3c06ea0f46f213737805bd5128648 100644
--- a/Trigger/TrigT1/TrigT1CTP/src/CTPSimulation.h
+++ b/Trigger/TrigT1/TrigT1CTP/src/CTPSimulation.h
@@ -11,7 +11,6 @@
 #include "GaudiKernel/ToolHandle.h"
 #include "Gaudi/Property.h"
 #include "StoreGate/DataHandle.h"
-#include "AthenaKernel/IAtRndmGenSvc.h"
 
 // monitoring from HLT
 #include "GaudiKernel/ITHistSvc.h"