diff --git a/modules/purchase_trade/sale.py b/modules/purchase_trade/sale.py
index 251ebb6..1ee76f2 100755
--- a/modules/purchase_trade/sale.py
+++ b/modules/purchase_trade/sale.py
@@ -1000,51 +1000,28 @@ class Sale(metaclass=PoolMeta):
     @classmethod
     def _check_lines_delivery_period_values(cls, values):
         line_commands = values.get('lines') or []
-        logger.info(
-            "SALE_PARENT_LINES_PERIOD_CHECK values=%s commands=%s ",
-            values,
-            line_commands,
-        )
         if not line_commands:
             return
         Line = Pool().get('sale.line')
         for command in line_commands:
             action = command[0]
-            logger.info("SALE_PARENT_LINES_COMMAND action=%s command=%s",
-                action, command)
             if action == 'create':
                 for line_values in command[1]:
-                    logger.info(
-                        "SALE_PARENT_LINES_CREATE_VALUES values=%s",
-                        line_values,
-                    )
                     Line._check_delivery_period_values([Line()], line_values)
             elif action == 'write':
                 actions = iter(command[1:])
                 for line_ids, line_values in zip(actions, actions):
-                    logger.info(
-                        "SALE_PARENT_LINES_WRITE_VALUES ids=%s values=%s",
-                        line_ids,
-                        line_values,
-                    )
                     lines = Line.browse(line_ids)
                     Line._check_delivery_period_values(lines, line_values)
             elif action == 'add':
-                logger.info("SALE_PARENT_LINES_ADD ids=%s", command[1])
                 lines = Line.browse(command[1])
                 Line._check_delivery_period_values(lines)
 
     @classmethod
     def write(cls, *args):
-        logger.info("SALE_PARENT_WRITE_START args=%s", args)
         actions = iter(args)
         args = []
         for sales, values in zip(actions, actions):
-            logger.info(
-                "SALE_PARENT_WRITE_GROUP sales=%s values=%s",
-                [getattr(sale, 'id', None) for sale in sales],
-                values,
-            )
             cls._check_lines_delivery_period_values(values)
             args.extend((sales, values))
         super().write(*args)
@@ -1142,23 +1119,7 @@ class SaleLine(metaclass=PoolMeta):
         for line in lines:
             from_del = values.get('from_del', getattr(line, 'from_del', None))
             to_del = values.get('to_del', getattr(line, 'to_del', None))
-            logger.info(
-                "SALE_LINE_DELIVERY_PERIOD_CHECK line=%s values=%s "
-                "current_from=%s current_to=%s computed_from=%s computed_to=%s",
-                getattr(line, 'id', None),
-                values,
-                getattr(line, 'from_del', None),
-                getattr(line, 'to_del', None),
-                from_del,
-                to_del,
-            )
             if from_del and to_del and from_del > to_del:
-                logger.info(
-                    "SALE_LINE_DELIVERY_PERIOD_INVALID line=%s from=%s to=%s",
-                    getattr(line, 'id', None),
-                    from_del,
-                    to_del,
-                )
                 raise UserError(
                     "Delivery period From date must be before To date.")
 
@@ -1672,15 +1633,9 @@ class SaleLine(metaclass=PoolMeta):
 
     @classmethod
     def write(cls, *args):
-        logger.info("SALE_LINE_WRITE_START args=%s", args)
         actions = iter(args)
         args = []
         for records, values in zip(actions, actions):
-            logger.info(
-                "SALE_LINE_WRITE_GROUP records=%s values=%s",
-                [getattr(record, 'id', None) for record in records],
-                values,
-            )
             cls._check_delivery_period_values(records, values)
             args.extend((records, values))
 
@@ -1799,12 +1754,6 @@ class SaleLine(metaclass=PoolMeta):
         Pnl = Pool().get('valuation.valuation')
         super(SaleLine, cls).validate(salelines)
         for line in salelines:
-            logger.info(
-                "SALE_LINE_VALIDATE_PERIOD line=%s from=%s to=%s",
-                getattr(line, 'id', None),
-                getattr(line, 'from_del', None),
-                getattr(line, 'to_del', None),
-            )
             if cls._has_invalid_delivery_period(line):
                 raise UserError(
                     "Delivery period From date must be before To date.")