diff --git a/sql-schema/098.sql b/sql-schema/098.sql
deleted file mode 100644
index a0a27c248..000000000
--- a/sql-schema/098.sql
+++ /dev/null
@@ -1,2 +0,0 @@
-DELETE a1 FROM alerts a1, alerts a2 WHERE a1.id < a2.id AND a1.device_id = a2.device_id AND a1.rule_id = a2.rule_id;
-ALTER TABLE `alerts` ADD UNIQUE `unique_alert`(`device_id`, `rule_id`);