diff --git a/addons/mrp/mrp.py b/addons/mrp/mrp.py
index 3ae27bf2c41..92b47ff66e1 100644
--- a/addons/mrp/mrp.py
+++ b/addons/mrp/mrp.py
@@ -420,28 +420,6 @@ class mrp_production(osv.osv):
                 result[prod.id]['cycle_total'] += wc.cycle
         return result
 
-    def _production_date_end(self, cr, uid, ids, prop, unknow_none, context=None):
-        """ Finds production end date.
-        @param prop: Name of field.
-        @param unknow_none:
-        @return: Dictionary of values.
-        """
-        result = {}
-        for prod in self.browse(cr, uid, ids, context=context):
-            result[prod.id] = prod.date_planned
-        return result
-
-    def _production_date(self, cr, uid, ids, prop, unknow_none, context=None):
-        """ Finds production planned date.
-        @param prop: Name of field.
-        @param unknow_none:
-        @return: Dictionary of values.
-        """
-        result = {}
-        for prod in self.browse(cr, uid, ids, context=context):
-            result[prod.id] = prod.date_planned[:10]
-        return result
-
     def _src_id_default(self, cr, uid, ids, context=None):
         src_location_id = self.pool.get('ir.model.data').get_object(cr, uid, 'stock', 'stock_location_stock', context=context)
         return src_location_id.id
@@ -469,13 +447,9 @@ class mrp_production(osv.osv):
         'location_dest_id': fields.many2one('stock.location', 'Finished Products Location', required=True,
             readonly=True, states={'draft':[('readonly',False)]},
             help="Location where the system will stock the finished products."),
-
-        'date_planned_end': fields.function(_production_date_end, type='date', string='Scheduled End Date'),
-        'date_planned_date': fields.function(_production_date, type='date', string='Scheduled Date'),
         'date_planned': fields.datetime('Scheduled Date', required=True, select=1, readonly=True, states={'draft':[('readonly',False)]}),
         'date_start': fields.datetime('Start Date', select=True, readonly=True),
         'date_finished': fields.datetime('End Date', select=True, readonly=True),
-
         'bom_id': fields.many2one('mrp.bom', 'Bill of Material', domain=[('bom_id','=',False)], readonly=True, states={'draft':[('readonly',False)]},
             help="Bill of Materials allow you to define the list of required raw materials to make a finished product."),
         'routing_id': fields.many2one('mrp.routing', string='Routing', on_delete='set null', readonly=True, states={'draft':[('readonly',False)]},
diff --git a/addons/mrp/mrp_view.xml b/addons/mrp/mrp_view.xml
index 9d1ae9eae8a..8d8e77bf75e 100644
--- a/addons/mrp/mrp_view.xml
+++ b/addons/mrp/mrp_view.xml
@@ -606,7 +606,7 @@
             <field name="model">mrp.production</field>
             <field name="arch" type="xml">
                 <graph string="Manufacturing Orders" type="bar">
-                    <field name="date_planned_date"/>
+                    <field name="date_planned"/>
                     <field name="hour_total" operator="+"/>
                     <field name="cycle_total" operator="+"/>
                 </graph>
diff --git a/addons/mrp_operations/mrp_operations.py b/addons/mrp_operations/mrp_operations.py
index 9f6671c3b2b..ffe0305d5f1 100644
--- a/addons/mrp_operations/mrp_operations.py
+++ b/addons/mrp_operations/mrp_operations.py
@@ -50,17 +50,6 @@ class stock_move(osv.osv):
 stock_move()
 
 class mrp_production_workcenter_line(osv.osv):
-    def _get_date_date(self, cr, uid, ids, field_name, arg, context=None):
-        """ Finds starting date.
-        @return: Dictionary of values.
-        """
-        res={}
-        for op in self.browse(cr, uid, ids, context=context):
-            if op.date_start:
-                res[op.id] = op.date_start[:10]
-            else:
-                res[op.id]=False
-        return res
 
     def _get_date_end(self, cr, uid, ids, field_name, arg, context=None):
         """ Finds ending date.
@@ -92,7 +81,6 @@ class mrp_production_workcenter_line(osv.osv):
                                        "* When work order is in running mode, during that time if user wants to stop or to make changes in order then can set in 'Pending' state.\n" \
                                        "* When the user cancels the work order it will be set in 'Canceled' state.\n" \
                                        "* When order is completely processed that time it is set in 'Finished' state."),
-       'date_start_date': fields.function(_get_date_date, string='Start Date', type='date'),
        'date_planned': fields.datetime('Scheduled Date', select=True),
        'date_planned_end': fields.function(_get_date_end, string='End Date', type='datetime'),
        'date_start': fields.datetime('Start Date'),
diff --git a/addons/mrp_operations/mrp_operations_view.xml b/addons/mrp_operations/mrp_operations_view.xml
index 834f3000472..c8167fcb0b5 100644
--- a/addons/mrp_operations/mrp_operations_view.xml
+++ b/addons/mrp_operations/mrp_operations_view.xml
@@ -328,7 +328,7 @@
             <field name="model">mrp.production.workcenter.line</field>
             <field name="arch" type="xml">
                 <graph string="Hours by Work Center" type="bar">
-                     <field name="date_start_date"/>
+                     <field name="date_start"/>
                      <field name="hour" operator="+"/>
                      <field name="workcenter_id" group="True"/>
                 </graph>