diff --git a/addons/event/event.py b/addons/event/event.py
index 5e075d4bd30..376fc122120 100644
--- a/addons/event/event.py
+++ b/addons/event/event.py
@@ -310,7 +310,6 @@ class event_registration(osv.osv):
         'phone': fields.char('Phone', size=64),
         'name': fields.char('Name', size=128, select=True),
         'active': fields.boolean('Active'),
-        'duration': fields.float('Duration'),
     }
 
     _defaults = {
@@ -410,14 +409,9 @@ class event_registration(osv.osv):
             return {}
         event_obj = self.pool.get('event.event')
         data_event =  event_obj.browse(cr, uid, event_id, context=context)
-        start = datetime.strptime(data_event.date_begin, "%Y-%m-%d %H:%M:%S")
-        end = datetime.strptime(data_event.date_end, "%Y-%m-%d %H:%M:%S")
-        diff = end - start
-        duration = float(diff.days)* 24 + (float(diff.seconds) / 3600)
         value ['value']= {'event_begin_date': data_event.date_begin,
                      'event_end_date': data_event.date_end,
                      'company_id': data_event.company_id and data_event.company_id.id or False,
-                     'duration': round(duration, 2),
                }
         return value
 
diff --git a/addons/event/event_view.xml b/addons/event/event_view.xml
index 6fc0a149cf3..6dbad5fcd88 100644
--- a/addons/event/event_view.xml
+++ b/addons/event/event_view.xml
@@ -463,7 +463,9 @@
                         <h1>
                             <field name="event_id" on_change="onchange_event(event_id, context)" domain="[('state','in',('draft','confirm'))]" nolabel="1" class="oe_inline"/>
                             <label string="(" attrs="{'invisible': [('event_id', '=', '')]}" class="oe_inline"/>
-                            <field name="duration" widget="float_time" attrs="{'invisible': [('event_id', '=', '')]}" class="oe_inline"/>
+                            <field name="event_begin_date" class="oe_inline" attrs="{'invisible': [('event_id', '=', '')]}"/>
+                            <label string="-" attrs="{'invisible': [('event_id', '=', '')]}" class="oe_inline"/>
+                            <field name="event_end_date" class="oe_inline" attrs="{'invisible': [('event_id', '=', '')]}"/>
                             <label string=")" attrs="{'invisible': [('event_id', '=', '')]}" class="oe_inline"/>
                         </h1>   
                         <group colspan="4" col="4">
@@ -473,9 +475,6 @@
                                 <label for="email" string="E-Mail"/>
                                 <group col="2">
                                     <field name="email" nolabel="1" class="oe_inline"/>
-                                    <button string="Send New Email"
-                                    name="%(mail.action_email_compose_message_wizard)d"
-                                    context= '{"default_email_to":email}' type="action" class="oe_inline"/>
                                 </group>
                             </group>
                             <group colspan="2">