diff --git a/Processes/Sibyll/Interaction.h b/Processes/Sibyll/Interaction.h
index 05cf9823c5c372218d0f7fd587a2cb8efd11d5b8..fcb3b94e5f342134b16289286e66ee977d157abf 100644
--- a/Processes/Sibyll/Interaction.h
+++ b/Processes/Sibyll/Interaction.h
@@ -10,7 +10,6 @@
 
 #include <corsika/particles/ParticleProperties.h>
 #include <corsika/process/InteractionProcess.h>
-#include <corsika/process/sibyll/sibyll2.3d.h>
 #include <corsika/random/RNGManager.h>
 #include <corsika/units/PhysicalUnits.h>
 #include <tuple>