1 files changed, 5 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/migration/command_recorder.rb b/activerecord/lib/active_record/migration/command_recorder.rb
index 25b8649350..032ce3aad8 100644
--- a/activerecord/lib/active_record/migration/command_recorder.rb
+++ b/activerecord/lib/active_record/migration/command_recorder.rb
@@ -43,6 +43,11 @@ module ActiveRecord
       def invert_rename_column(args)
         [:rename_column, [args.first] + args.last(2).reverse]
       end
+
+      def invert_add_index(args)
+        table, columns, _ = *args
+        [:remove_index, [table, {:column => columns}]]
+      end
     end
   end
 end