diff --git a/TODO b/TODO
index 2ca2e83..dae1793 100644
--- a/TODO
+++ b/TODO
@@ -13,5 +13,6 @@
 - in xBestIndex, ensure there are no constraints on any aux column
 - enforce column types, ie STRICT?
 - NOT NULL?
+- drop aux shadow table on xDestroy
 - perf: INSERT stmt should be cached on vec0_vtab
 - perf: LEFT JOIN aux table to rowids query in vec0_cursor for rowid/point stmts, to avoid N lookup queries