Index: branches/dev/html/install/index.php
===================================================================
--- branches/dev/html/install/index.php	(revision 11710)
+++ branches/dev/html/install/index.php	(revision 11711)
@@ -921,5 +921,4 @@
 	// ¸ÜµÒ
 	sfColumnExists("dtb_customer", "mailmaga_flg", "int2", $dsn, true);
-	sfColumnExists("dtb_customer", "mobile_phone_id", "text", $dsn, true);
 		
 	if (!sfColumnExists("dtb_customer", "mobile_phone_id", "", $dsn)) {