diff --git a/addons/calendar/views/calendar_views.xml b/addons/calendar/views/calendar_views.xml
index 150c6248808..7c9645c8908 100644
--- a/addons/calendar/views/calendar_views.xml
+++ b/addons/calendar/views/calendar_views.xml
@@ -140,16 +140,12 @@
                         <page name="page_details" string="Meeting Details">
                             <group>
                                 <group>
-                                     <field name="start_date" string="Starting at"
-                                           attrs="{'required': [('allday','=',True)], 'invisible': [('allday','=',False)]}"
-                                           widget="daterange" options="{'related_end_date': 'stop_date'}" force_save="1"/>
-                                    <field name="stop_date" string="Ending at"
-                                           attrs="{'required': [('allday','=',True)],'invisible': [('allday','=',False)]}"
-                                           widget="daterange" options="{'related_start_date': 'start_date'}" force_save="1"/>
 
-                                    <field name="start" string="Starting at" attrs="{'required': [('allday','=',False)], 'invisible': [('allday','=',True)]}" widget="daterange" options="{'related_end_date': 'stop'}"/>
-                                    <field name="stop" string="Ending At" attrs="{'invisible': [('allday','=',True)]}" widget="daterange" options="{'related_start_date': 'start'}"/>
+                                    <field name="start_date" string="Starting at" attrs="{'required': [('allday','=',True)], 'invisible': [('allday','=',False)]}" force_save="1"/>
+                                    <field name="stop_date" string="Ending at" attrs="{'required': [('allday','=',True)],'invisible': [('allday','=',False)]}" force_save="1"/>
 
+                                    <field name="start" string="Starting at" attrs="{'required': [('allday','=',False)], 'invisible': [('allday','=',True)]}"/>
+                                    <field name="stop" string="Ending At" attrs="{'invisible': [('allday','=',True)]}"/>
                                     <label for="duration" attrs="{'invisible': [('allday','=',True)]}"/>
                                     <div attrs="{'invisible': [('allday','=',True)]}">
                                         <field name="duration" widget="float_time" string="Duration" class="oe_inline" attrs="{'readonly': [('id', '!=', False), ('recurrency','=',True)]}"/>