Just use drop table

db/migrate/20250624055720_add_description_to_cards_search_index.rb

@@ -1,6 +1,6 @@
 class AddDescriptionToCardsSearchIndex < ActiveRecord::Migration[8.1]
   def change
-    drop_virtual_table :cards_search_index, "fts5", [ "title" ]
+    drop_table :cards_search_index
     create_virtual_table :cards_search_index, "fts5", [ "title", "description" ]
   end
 end