diff --git a/homeassistant/components/calendar/caldav.py b/homeassistant/components/calendar/caldav.py
index f1cc0f12bd8..36894dcab61 100644
--- a/homeassistant/components/calendar/caldav.py
+++ b/homeassistant/components/calendar/caldav.py
@@ -25,7 +25,6 @@ CONF_DEVICE_ID = 'device_id'
 CONF_CALENDARS = 'calendars'
 CONF_CUSTOM_CALENDARS = 'custom_calendars'
 CONF_CALENDAR = 'calendar'
-CONF_ALL_DAY = 'all_day'
 CONF_SEARCH = 'search'
 
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
@@ -89,7 +88,7 @@ def setup_platform(hass, config, add_devices, disc_info=None):
                 WebDavCalendarEventDevice(hass,
                                           device_data,
                                           calendar,
-                                          cust_calendar.get(CONF_ALL_DAY),
+                                          True,
                                           cust_calendar.get(CONF_SEARCH))
                 )
 
diff --git a/tests/components/calendar/test_caldav.py b/tests/components/calendar/test_caldav.py
index 8a44f96fe87..7234d40c410 100644
--- a/tests/components/calendar/test_caldav.py
+++ b/tests/components/calendar/test_caldav.py
@@ -121,8 +121,10 @@ class TestComponentsWebDavCalendar(unittest.TestCase):
             assert len(devices) == 2
             assert devices[0].name == "First"
             assert devices[0].dev_id == "First"
+            self.assertFalse(devices[0].data.include_all_day)
             assert devices[1].name == "Second"
             assert devices[1].dev_id == "Second"
+            self.assertFalse(devices[1].data.include_all_day)
 
         caldav.setup_platform(self.hass,
                               {
@@ -167,6 +169,7 @@ class TestComponentsWebDavCalendar(unittest.TestCase):
             assert len(devices) == 1
             assert devices[0].name == "HomeOffice"
             assert devices[0].dev_id == "Second HomeOffice"
+            self.assertTrue(devices[0].data.include_all_day)
 
         caldav.setup_platform(self.hass,
                               {