diff --git a/backend/src/db/migrations/20250513081738_remove-gateway-project-link.ts b/backend/src/db/migrations/20250513081738_remove-gateway-project-link.ts
index 3308614ab..6b7cf331f 100644
--- a/backend/src/db/migrations/20250513081738_remove-gateway-project-link.ts
+++ b/backend/src/db/migrations/20250513081738_remove-gateway-project-link.ts
@@ -18,6 +18,5 @@ export async function down(knex: Knex): Promise<void> {
   await knex.schema.alterTable(TableName.DynamicSecret, (table) => {
     table.dropForeign("gatewayId");
     table.dropColumn("gatewayId");
-    table.dropIndex("gatewayId");
   });
 }