diff --git a/install-dev/upgrade/sql/1.4.8.sql b/install-dev/upgrade/sql/1.4.8.sql
deleted file mode 100644
index 6d9d85353..000000000
--- a/install-dev/upgrade/sql/1.4.8.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-SET NAMES 'utf8';
-
-ALTER TABLE `PREFIX_feature_product` ADD INDEX `id_product`(`id_product`);