diff --git a/corsika/detail/modules/tracking/TrackingLeapFrogCurved.inl b/corsika/detail/modules/tracking/TrackingLeapFrogCurved.inl
index a07e7496323b4d150c17c213208c57523d78dfca..1f07f7957d7c4d778ab5cffddd0f412344f0b26c 100644
--- a/corsika/detail/modules/tracking/TrackingLeapFrogCurved.inl
+++ b/corsika/detail/modules/tracking/TrackingLeapFrogCurved.inl
@@ -361,9 +361,6 @@ namespace corsika {
         CORSIKA_LOG_TRACE("maxStepLength={} s", maxStepLength / 1_s);
 
         // with final length correction, |direction| becomes >1 during step
-        // double const correction =
-        // 1. + fabs(0.5 * direction_x_B.getNorm() * maxStepLength * charge /
-        // p_norm);
 
         return Intersections(maxStepLength / absVelocity); // unit: s
 
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 9cb9b3fd3461cc33ea441bf0e32518818b81c837..e3d056e22202e7af786c3f1eec00fcc36e077a61 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -60,6 +60,4 @@ CORSIKA_REGISTER_EXAMPLE (hybrid_MC RUN_OPTIONS 4 2 10000.)
 add_executable (corsika corsika.cpp)
 target_link_libraries (corsika CORSIKA8::CORSIKA8)
 
-add_executable (tracking tracking.cpp)
-target_link_libraries (tracking CORSIKA8::CORSIKA8)