diff --git a/migrations/_.sql b/migrations/_.sql
deleted file mode 100644
index f90c8e7..0000000
--- a/migrations/_.sql
+++ /dev/null
@@ -1,19 +0,0 @@
--- DELETE orders that are more than 7 years old from the database
-
-BEGIN;
-    DELETE FROM order_rows WHERE order_id IN (
-        SELECT id FROM orders WHERE inserted < date_trunc('year', now() - interval '7 years')
-    );
-
-    DELETE FROM invoices WHERE order_id IN (
-        SELECT id FROM orders WHERE inserted < date_trunc('year', now() - interval '7 years')
-    );
-
-    DELETE FROM orders WHERE inserted < date_trunc('year', now() - interval '7 years');
-COMMIT;
-
-DELETE FROM addresses addr WHERE NOT EXISTS (
-    SELECT NULL FROM samples s WHERE addr.id = s.address_id
-) AND NOT EXISTS (
-    SELECT NULL FROM orders o WHERE addr.id = o.billing_address_id OR addr.id = o.delivery_address_id
-);