diff --git a/Simulation/DetSimSD/src/DDG4SensitiveDetector.cpp b/Simulation/DetSimSD/src/DDG4SensitiveDetector.cpp
index 9d12dde315b8f45e1deb2606999598e69c0161c2..4300de813cb9adc29b3be2ac3da555d5eafb2118 100644
--- a/Simulation/DetSimSD/src/DDG4SensitiveDetector.cpp
+++ b/Simulation/DetSimSD/src/DDG4SensitiveDetector.cpp
@@ -1,6 +1,5 @@
 #include "DetSimSD/DDG4SensitiveDetector.h"
 
-#include "DDG4/Geant4SensitiveDetector.h"
 #include "DDG4/Geant4Converter.h"
 #include "DDG4/Geant4Hits.h"
 #include "DD4hep/Segmentations.h"