diff --git a/tests/test_comet_orbit.cpp b/tests/test_comet_orbit.cpp
index 21f8948..7f136c8 100644
--- a/tests/test_comet_orbit.cpp
+++ b/tests/test_comet_orbit.cpp
@@ -68,12 +68,6 @@ TEST_CASE("Comet orbital elements and SOI transitions during Mars encounter", "[
         double current_days = sim->time / SECONDS_PER_DAY;
         if (next_checkpoint < sizeof(checkpoint_days)/sizeof(checkpoint_days[0]) &&
             current_days >= checkpoint_days[next_checkpoint]) {
-
-            printf("\n day: %f, sim->time: %f, comet parent index: %d",
-					current_days,
-					sim->time,
-					sim->bodies[COMET_INDEX].parent_index);
-
             OrbitalElements elem = calculate_orbital_elements(
                 &sim->bodies[COMET_INDEX],
                 &sim->bodies[SUN_INDEX],