diff --git a/NPSimulation/Process/BeamReaction.cc b/NPSimulation/Process/BeamReaction.cc
index 50c5c6122f5b8f19c3cdbba46cdf897ba493c2e3..fdc141607062a3d7f6ef0895ebfc4a1f33ff84e3 100644
--- a/NPSimulation/Process/BeamReaction.cc
+++ b/NPSimulation/Process/BeamReaction.cc
@@ -28,8 +28,6 @@
 #include "G4EmCalculator.hh"
 #include "G4VPhysicalVolume.hh"
 #include "G4IonTable.hh"
-#include "G4RunManager.hh"
-#include "G4EventManager.hh"
 #include "G4UserLimits.hh"
 #include "NPFunction.h"
 #include "NPInputParser.h"