diff --git a/.gitignore b/.gitignore
index 77dcef2..0cb0058 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 build/
 orbit_sim
 orbit_test
+tests/informational/test_time_step_stability
 
 # Session notes and conversation logs
 docs/session_logs
diff --git a/tests/informational/test_time_step_stability b/tests/informational/test_time_step_stability
deleted file mode 100755
index c8734ec..0000000
Binary files a/tests/informational/test_time_step_stability and /dev/null differ