diff --git a/addons/product/product.py b/addons/product/product.py
index 7882cce07e22..1d5b0832997e 100644
--- a/addons/product/product.py
+++ b/addons/product/product.py
@@ -746,10 +746,7 @@ def _get_uom_id(self, cr, uid, *args):
     def _check_uom(self, cr, uid, ids, context=None):
         for supplier_info in self.browse(cr, uid, ids, context=context):
             if supplier_info.product_uom and supplier_info.product_uom.category_id.id <> supplier_info.product_id.uom_id.category_id.id:
-                cr.execute('select uom_id from product_template where id = %s',(supplier_info.product_id.id,))
-                res = cr.fetchone()                
-                cr.execute('update product_supplierinfo set product_uom = %s where product_id = %s ',(res[0],supplier_info.product_id.id,))
-                return True
+                return False
         return True
 
     _constraints = [
diff --git a/bin/openupgrade/openupgrade_log.py b/bin/openupgrade/openupgrade_log.py
index 8d8f53011355..93c94b6a00d1 100644
--- a/bin/openupgrade/openupgrade_log.py
+++ b/bin/openupgrade/openupgrade_log.py
@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from openupgradelib import openupgrade_tools
 from openupgradelib.openupgrade_tools import table_exists
 
 def log_xml_id(cr, module, xml_id):