diff --git a/install-dev/upgrade/sql/1.5.1.0.sql b/install-dev/upgrade/sql/1.5.1.0.sql
index d20e24090..0a8a3abc6 100644
--- a/install-dev/upgrade/sql/1.5.1.0.sql
+++ b/install-dev/upgrade/sql/1.5.1.0.sql
@@ -17,5 +17,4 @@ ALTER TABLE `PREFIX_attribute_impact` CHANGE `weight` `weight` DECIMAL(20, 6) NO
 ALTER TABLE `PREFIX_order_detail` CHANGE `product_weight` `product_weight` DECIMAL(20, 6) NOT NULL DEFAULT '0';
 ALTER TABLE `PREFIX_stock_available` DROP INDEX `product_sqlstock`;
 ALTER TABLE `PREFIX_stock_available` ADD UNIQUE (`id_product`, `id_product_attribute`, `id_shop`);
-ALTER TABLE `PREFIX_cms` DROP `id_shop`;
 ALTER TABLE `PREFIX_cms` ADD INDEX (`id_cms_category`);