diff --git a/mysql/migration/1.1.0-2.0.0.sql b/mysql/migration/1.1.0-2.0.0.sql
index f7310c8be0a..60613ead7b9 100644
--- a/mysql/migration/1.1.0-2.0.0.sql
+++ b/mysql/migration/1.1.0-2.0.0.sql
@@ -1886,7 +1886,6 @@ create table llx_societe_perms
 
 drop table if exists llx_contact_facture;
 
-drop table if exists llx_c_type_contact;
 
 create table llx_c_type_contact
 (
diff --git a/mysql/tables/llx_bank_account.key.sql b/mysql/tables/llx_bank_account.key.sql
new file mode 100644
index 00000000000..f927a409f16
--- /dev/null
+++ b/mysql/tables/llx_bank_account.key.sql
@@ -0,0 +1,24 @@
+-- ============================================================================
+-- Copyright (C) 2005 Laurent Destailleur <eldy@users.sourceforge.net>
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program; if not, write to the Free Software
+-- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+--
+-- $Id$
+-- $Source$
+--
+-- ============================================================================
+
+
+ALTER TABLE llx_bank_account ADD UNIQUE uk_bank_account_label (label);
diff --git a/mysql/tables/llx_bank_account.sql b/mysql/tables/llx_bank_account.sql
index 4010b782665..d30c897ef14 100644
--- a/mysql/tables/llx_bank_account.sql
+++ b/mysql/tables/llx_bank_account.sql
@@ -30,7 +30,7 @@ create table llx_bank_account
   rowid          integer AUTO_INCREMENT PRIMARY KEY,
   datec          datetime,
   tms            timestamp,
-  label          varchar(30) UNIQUE,
+  label          varchar(30),
   bank           varchar(60),
   code_banque    varchar(7),
   code_guichet   varchar(6),
diff --git a/mysql/tables/llx_c_currencies.key.sql b/mysql/tables/llx_c_currencies.key.sql
new file mode 100644
index 00000000000..439a5c264bb
--- /dev/null
+++ b/mysql/tables/llx_c_currencies.key.sql
@@ -0,0 +1,24 @@
+-- ========================================================================
+-- Copyright (C) 2005 Laurent Destailleur  <eldy@users.sourceforge.net>
+--
+-- $Id$
+-- $Source$
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program; if not, write to the Free Software
+-- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+--
+-- ========================================================================
+
+
+ALTER TABLE llx_c_currencies ADD UNIQUE uk_c_currencies_code_iso(code_iso);
diff --git a/mysql/tables/llx_c_currencies.sql b/mysql/tables/llx_c_currencies.sql
index d7ebdcf51c0..6d96f64bedc 100644
--- a/mysql/tables/llx_c_currencies.sql
+++ b/mysql/tables/llx_c_currencies.sql
@@ -22,8 +22,8 @@
 
 create table llx_c_currencies
 (
-  code        varchar(2)   UNIQUE PRIMARY KEY,
-  code_iso    varchar(3)   UNIQUE NOT NULL,
+  code        varchar(2)   PRIMARY KEY,
+  code_iso    varchar(3)   NOT NULL,
   label       varchar(64),
   active      tinyint DEFAULT 1  NOT NULL
 )type=innodb;