diff --git a/extend/shop.extend.php b/extend/shop.extend.php
index e1c63f599..d7d40ca1b 100644
--- a/extend/shop.extend.php
+++ b/extend/shop.extend.php
@@ -79,7 +79,6 @@ if(!sql_query(" select io_id from {$g4['shop_item_option_table']} limit 1 ", fal
                 ) ", false);
     sql_query(" ALTER TABLE `{$g4['shop_item_table']}`
                     ADD `it_option_subject` VARCHAR(255) NOT NULL DEFAULT '' AFTER `it_origin`,
-                    ADD `it_option` VARCHAR(255) NOT NULL DEFAULT '' AFTER `it_option_subject`,
                     ADD `it_supply_subject` VARCHAR(255) NOT NULL DEFAULT '' AFTER `it_option` ", false);
 }
 
diff --git a/install/shop.sql b/install/shop.sql
index ea1347898..e349ace59 100644
--- a/install/shop.sql
+++ b/install/shop.sql
@@ -367,7 +367,6 @@ CREATE TABLE IF NOT EXISTS `shop_item` (
   `it_maker` varchar(255) NOT NULL DEFAULT '',
   `it_origin` varchar(255) NOT NULL DEFAULT '',
   `it_option_subject` varchar(255) NOT NULL DEFAULT '',
-  `it_option` varchar(255) NOT NULL DEFAULT '',
   `it_supply_subject` varchar(255) NOT NULL DEFAULT '',
   `it_type1` tinyint(4) NOT NULL DEFAULT '0',
   `it_type2` tinyint(4) NOT NULL DEFAULT '0',