diff --git a/LArCalorimeter/LArG4/LArG4Code/cmt/requirements b/LArCalorimeter/LArG4/LArG4Code/cmt/requirements
index 3ff3ab9ac536bf6b9caf5ef644d1104e4042f802..c44474ca6a38bd489dd084de69068e8312f43f02 100755
--- a/LArCalorimeter/LArG4/LArG4Code/cmt/requirements
+++ b/LArCalorimeter/LArG4/LArG4Code/cmt/requirements
@@ -14,6 +14,9 @@ use CaloG4Sim       CaloG4Sim-*      	Calorimeter
 use LArGeoCode      LArGeoCode-*     	LArCalorimeter/LArGeoModel
 use Identifier      Identifier-*        DetectorDescription
 
+# Add the compiler macro definitions for cmake (transparent to CMT)
+apply_pattern cmake_add_command command="add_definitions(-DLARG4NOROOT)"
+
 # Build the library (and export the headers)
 library LArG4Code *.cc
 apply_pattern installed_library
@@ -26,6 +29,5 @@ use GaudiInterface  GaudiInterface-* 	External
 use LArG4RunControl LArG4RunControl-*   LArCalorimeter/LArG4
 use MCTruth         MCTruth-*           Simulation/G4Sim
 use StoreGate       StoreGate-*      	Control
-use ISF_Event       ISF_Event-*         Simulation/ISF/ISF_Core
 
 macro_append LArG4Code_cppflags  " -DLARG4NOROOT "
diff --git a/LArCalorimeter/LArG4/LArG4Code/src/CalibrationSensitiveDetector.cc b/LArCalorimeter/LArG4/LArG4Code/src/CalibrationSensitiveDetector.cc
index fed131d8853a81af78bd422857f240d28b12de04..ad776ff578098cf8078004a4ae1e55c7767160c7 100755
--- a/LArCalorimeter/LArG4/LArG4Code/src/CalibrationSensitiveDetector.cc
+++ b/LArCalorimeter/LArG4/LArG4Code/src/CalibrationSensitiveDetector.cc
@@ -32,7 +32,6 @@
 #include "MCTruth/EventInformation.h"
 #include "LArG4RunControl/LArG4GlobalOptions.h"
 
-#include "ISF_Event/ISFParticle.h"
 #include "MCTruth/VTrackInformation.h"
 
 #include <vector>