diff --git a/.gitignore b/.gitignore
index 8028176..e8e448d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,3 +26,5 @@ public/pwa-512x512.png
 public/favicon.svg
 # Note: public/data/viz/*.json IS committed — it's processed from a fixed
 # historical StatsBomb match, so we don't refetch 3.7MB of events at build time.
+# local backup snapshots (prod archives to the storage box)
+/data/archive/
diff --git a/data/archive/cup26-2026-06-11.db b/data/archive/cup26-2026-06-11.db
deleted file mode 100644
index a522722..0000000
Binary files a/data/archive/cup26-2026-06-11.db and /dev/null differ
diff --git a/data/archive/cup26-2026-06-12.db b/data/archive/cup26-2026-06-12.db
deleted file mode 100644
index f6ca052..0000000
Binary files a/data/archive/cup26-2026-06-12.db and /dev/null differ