diff --git a/migrations/168-index-helpfulvote-helpful.sql b/migrations/168-index-helpfulvote-helpful.sql
deleted file mode 100644
index 3a5a7238c..000000000
--- a/migrations/168-index-helpfulvote-helpful.sql
+++ /dev/null
@@ -1 +0,0 @@
-CREATE INDEX `wiki_helpfulvote_13fc096e` ON `wiki_helpfulvote` (`helpful`);
diff --git a/migrations/168-noop.sql b/migrations/168-noop.sql
new file mode 100644
index 000000000..e69de29bb