diff --git a/scripts/cleanup-closed.sql b/scripts/cleanup-closed.sql
new file mode 100644
index 00000000..b1815071
--- /dev/null
+++ b/scripts/cleanup-closed.sql
@@ -0,0 +1,25 @@
+BEGIN TRANSACTION;
+
+DELETE FROM divisions
+WHERE incident_id IN (
+    SELECT id FROM incidents WHERE closed_at IS NOT NULL
+);
+
+DELETE FROM messages
+WHERE journal_id IN (
+    SELECT id FROM journals
+    WHERE incident_id IN (
+        SELECT id FROM incidents WHERE closed_at IS NOT NULL
+    )
+);
+
+DELETE FROM journals
+WHERE incident_id IN (
+    SELECT id FROM incidents WHERE closed_at IS NOT NULL
+);
+
+
+DELETE FROM incidents
+WHERE closed_at IS NOT NULL;
+
+COMMIT;