diff --git a/setup/db/db/schema-40to410.sql b/setup/db/db/schema-40to410.sql
index f0e8cf31846..67e2048dce2 100644
--- a/setup/db/db/schema-40to410.sql
+++ b/setup/db/db/schema-40to410.sql
@@ -173,8 +173,6 @@ ALTER TABLE upload ADD uuid VARCHAR(40);
 ALTER TABLE async_job modify job_cmd VARCHAR(255);
 
 
-ALTER TABLE `cloud`.`alert` ADD INDEX `last_sent` (`last_sent` DESC) ;
-
 ALTER TABLE `cloud`.`network_offerings` ADD COLUMN `is_persistent` int(1) unsigned NOT NULL DEFAULT 0 COMMENT 'true if the network offering provides an ability to create persistent networks';