diff --git a/Documentation/Examples/cascade_example.cc b/Documentation/Examples/cascade_example.cc
index 30f5745457c9349a543f1f7c466b250b3628d51b..69b7e92f0f8de8728607bce95ecd2770729b76a7 100644
--- a/Documentation/Examples/cascade_example.cc
+++ b/Documentation/Examples/cascade_example.cc
@@ -10,7 +10,6 @@
  */
 
 #include <corsika/cascade/Cascade.h>
-#include <corsika/geometry/LineTrajectory.h>
 #include <corsika/process/ProcessSequence.h>
 #include <corsika/process/stack_inspector/StackInspector.h>