diff --git a/Processes/TrackingLeapFrogCurved/testTrackingLeapFrogStraight.cc b/Processes/TrackingLeapFrogCurved/testTrackingLeapFrogStraight.cc
deleted file mode 100644
index 895a185866dbd9d9b0fc2e6efffbcd82413e349a..0000000000000000000000000000000000000000
--- a/Processes/TrackingLeapFrogCurved/testTrackingLeapFrogStraight.cc
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * (c) Copyright 2018 CORSIKA Project, corsika-project@lists.kit.edu
- *
- * This software is distributed under the terms of the GNU General Public
- * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
- * the license.
- */
-
-#include <corsika/process/tracking_bfield/Tracking.h>
-
-#include <corsika/particles/ParticleProperties.h>
-
-#include <corsika/geometry/Point.h>
-#include <corsika/geometry/Sphere.h>
-#include <corsika/geometry/Vector.h>
-
-#include <corsika/setup/SetupEnvironment.h>
-#include <corsika/setup/SetupStack.h>
-#include <corsika/setup/SetupTrajectory.h>
-using corsika::setup::Trajectory;
-
-#include <catch2/catch.hpp>
-
-using namespace corsika;
-using namespace corsika::particles;
-using namespace corsika::process;
-using namespace corsika::units;
-using namespace corsika::geometry;
-using namespace corsika::units::si;
-
-template <typename T>
-int sgn(T val) {
-  return (T(0) < val) - (val < T(0));
-}
-
-TEST_CASE("TrackingBField") {
-
-  logging::SetLevel(logging::level::trace);
-
-  const HEPEnergyType P0 = 10_GeV;
-
-  auto PID = GENERATE(as<Code>{}, Code::MuPlus, Code::MuPlus, Code::Gamma);
-  auto Bfield = GENERATE(as<MagneticFluxType>{}, 0_T, 50_uT, -50_uT);
-  auto outer = GENERATE(as<bool>{}, true, false);
-
-  SECTION(fmt::format("Tracking PID={}, Bfield={} uT, from outside={}", PID,
-                      Bfield / 1_uT, outer)) {
-
-    C8LOG_DEBUG(
-        "********************\n                          TEST section PID={}, Bfield={} "
-        "uT, outer (?)={}",
-        PID, Bfield / 1_uT, outer);
-
-    const int chargeNumber = GetChargeNumber(PID);
-    LengthType radius = 10_m;
-    int deflect = 0;
-    if (chargeNumber != 0 and Bfield != 0_T) {
-      deflect = -sgn(chargeNumber) * sgn(Bfield / 1_T); // direction of deflection
-      LengthType const gyroradius =
-          P0 * 1_V / (constants::c * abs(chargeNumber) * abs(Bfield) * 1_eV);
-      radius = gyroradius;
-    }
-
-    auto [env, csPtr, worldPtr] = setup::testing::setupEnvironment(Code::Oxygen, Bfield);
-    { [[maybe_unused]] const auto& env_dummy = env; }
-    auto const& cs = *csPtr;
-
-    tracking_bfield::Tracking tracking;
-    using tracking_bfield::MagneticFieldVector;
-    Point const center(cs, {0_m, 0_m, 0_m});
-    auto target = setup::Environment::CreateNode<geometry::Sphere>(center, radius);
-
-    using MyHomogeneousModel =
-        environment::MediumPropertyModel<environment::UniformMagneticField<
-            environment::HomogeneousMedium<setup::EnvironmentInterface>>>;
-
-    MagneticFieldVector magneticfield(cs, 0_T, 0_T, Bfield);
-    target->SetModelProperties<MyHomogeneousModel>(
-        environment::Medium::AirDry1Atm, magneticfield, 1_g / (1_m * 1_m * 1_m),
-        environment::NuclearComposition(std::vector<Code>{Code::Oxygen},
-                                        std::vector<float>{1.}));
-    auto* targetPtr = target.get();
-    worldPtr->AddChild(std::move(target));
-
-    auto [stack, viewPtr] = setup::testing::setupStack(PID, 0, 0, P0, targetPtr, cs);
-    { [[maybe_unused]] auto& viewPtr_dum = viewPtr; }
-    auto particle = stack->first();
-    // Note: momentum in X-direction
-    //       magnetic field in Z-direction
-    //       put particle on x_start, 0, 0
-    //       expect intersections somewere in +-y_start
-
-    if (outer) {
-      particle.SetNode(worldPtr); // set particle inside "target" volume
-    } else {
-      particle.SetNode(targetPtr); // set particle outside "target" volume
-    }
-    particle.SetPosition(Point(cs, -radius, 0_m, 0_m));
-
-    auto [traj, nextVol] = tracking.GetTrack(particle);
-    particle.SetNode(nextVol);
-    particle.SetPosition(traj.GetPosition(1));
-    particle.SetMomentum(traj.GetDirection(1) * particle.GetMomentum().norm());
-    if (outer) {
-      // now we know we are in target volume, depending on "outer"
-      CHECK(traj.GetLength(1) == 0_m);
-      CHECK(nextVol == targetPtr);
-    }
-    // move forward, until we leave target volume
-    while (nextVol == targetPtr) {
-      const auto [traj2, nextVol2] = tracking.GetTrack(particle);
-      nextVol = nextVol2;
-      particle.SetNode(nextVol);
-      particle.SetPosition(traj2.GetPosition(1));
-      particle.SetMomentum(traj2.GetDirection(1) * particle.GetMomentum().norm());
-    }
-    CHECK(nextVol == worldPtr);
-
-    Point pointCheck(cs, (deflect == 0 ? radius : 0_m), (deflect * radius), 0_m);
-
-    C8LOG_DEBUG("testTrackingLineStack: deflect={}, momentum={}, pos={}, pos_check={}",
-                deflect, particle.GetMomentum().GetComponents(),
-                particle.GetPosition().GetCoordinates(), pointCheck.GetCoordinates());
-
-    CHECK((particle.GetPosition() - pointCheck).norm() / radius ==
-          Approx(0).margin(1e-3));
-  }
-}