diff --git a/h/migrations/versions/9c0efdf762a6_add_user_group_created_and_updated_.py b/h/migrations/versions/9c0efdf762a6_add_user_group_created_and_updated_.py
index 7a800a317db..a8cc73b66da 100644
--- a/h/migrations/versions/9c0efdf762a6_add_user_group_created_and_updated_.py
+++ b/h/migrations/versions/9c0efdf762a6_add_user_group_created_and_updated_.py
@@ -13,5 +13,7 @@ def upgrade():
 
 
 def downgrade():
+    op.drop_index(op.f("ix__user_group_updated"), table_name="user_group")
+    op.drop_index(op.f("ix__user_group_created"), table_name="user_group")
     op.drop_column("user_group", "updated")
     op.drop_column("user_group", "created")