diff --git a/sfm/server.py b/sfm/server.py
index 93ee110..ed42775 100644
--- a/sfm/server.py
+++ b/sfm/server.py
@@ -1987,10 +1987,15 @@ def _cleanup_event_files(row: dict) -> dict:
     base_name = bw_name or a5_name or sc_name
     if base_name:
         bw_path, a5_path = store.paths_for(serial, base_name)
-        sc_path = store.sidecar_path_for(serial, base_name)
-        h5_path = store.hdf5_path_for(serial, base_name)
+        sc_path  = store.sidecar_path_for(serial, base_name)
+        h5_path  = store.hdf5_path_for(serial, base_name)
+        # Preserved BW ASCII report (added 2026-05-27 with the .TXT
+        # preservation feature) — needs to be cleaned up too, otherwise
+        # deletes leave orphan _ASCII.TXT files behind.
+        txt_path = store.txt_path_for(serial, base_name)
         for kind, p in [("blastware", bw_path), ("a5_pickle", a5_path),
-                        ("sidecar", sc_path), ("hdf5", h5_path)]:
+                        ("sidecar", sc_path), ("hdf5", h5_path),
+                        ("txt", txt_path)]:
             try:
                 if p.exists():
                     p.unlink()