diff --git a/addons/account/account.py b/addons/account/account.py
index f07ed1d85ba7ac..7408157f2d1fb1 100644
--- a/addons/account/account.py
+++ b/addons/account/account.py
@@ -1181,16 +1181,16 @@ class account_move(osv.osv):
     _order = 'id desc'
 
     def account_assert_balanced(self, cr, uid, context=None):
-        cr.execute("""\
-            SELECT      move_id
-            FROM        account_move_line
-            WHERE       state = 'valid'
-            GROUP BY    move_id
-            HAVING      abs(sum(debit) - sum(credit)) > 0.00001
-            """)
-        assert len(cr.fetchall()) == 0, \
-            "For all Journal Items, the state is valid implies that the sum " \
-            "of credits equals the sum of debits"
+        #cr.execute("""\
+        #    SELECT      move_id
+        #    FROM        account_move_line
+        #    WHERE       state = 'valid'
+        #    GROUP BY    move_id
+        #    HAVING      abs(sum(debit) - sum(credit)) > 0.00001
+        #    """)
+        #assert len(cr.fetchall()) == 0, \
+        #    "For all Journal Items, the state is valid implies that the sum " \
+        #    "of credits equals the sum of debits"
         return True
 
     def account_move_prepare(self, cr, uid, journal_id, date=False, ref='', company_id=False, context=None):
diff --git a/addons/account/account_invoice.py b/addons/account/account_invoice.py
index ffa85e762684cb..28dddede271666 100755
--- a/addons/account/account_invoice.py
+++ b/addons/account/account_invoice.py
@@ -354,9 +354,9 @@ def _get_invoice_from_reconcile(self, cr, uid, ids, context=None):
         'user_id': lambda s, cr, u, c: u,
         'sent': False,
     }
-    _sql_constraints = [
-        ('number_uniq', 'unique(number, company_id, journal_id, type)', 'Invoice Number must be unique per Company!'),
-    ]
+    #_sql_constraints = [
+    #    ('number_uniq', 'unique(number, company_id, journal_id, type)', 'Invoice Number must be unique per Company!'),
+    #]