diff --git a/migrations/027_create_explore_index.py b/migrations/027_create_explore_index.py
index 8a6382f82..6d0012c6c 100644
--- a/migrations/027_create_explore_index.py
+++ b/migrations/027_create_explore_index.py
@@ -33,4 +33,4 @@ def migrate(migrator, database, fake=False, **kwargs):
 
 
 def rollback(migrator, database, fake=False, **kwargs):
-    pass
+    migrator.sql('DROP INDEX IF EXISTS "event_label_start_time"')