diff --git a/homeassistant/components/sensor/speedtest.py b/homeassistant/components/sensor/speedtest.py
index ee6cad61e20..a08eec56e17 100644
--- a/homeassistant/components/sensor/speedtest.py
+++ b/homeassistant/components/sensor/speedtest.py
@@ -32,7 +32,6 @@ CONF_ATTRIBUTION = "Data retrieved from Speedtest by Ookla"
 CONF_SECOND = 'second'
 CONF_MINUTE = 'minute'
 CONF_HOUR = 'hour'
-CONF_DAY = 'day'
 CONF_SERVER_ID = 'server_id'
 CONF_MANUAL = 'manual'
 
@@ -47,8 +46,6 @@ SENSOR_TYPES = {
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
     vol.Required(CONF_MONITORED_CONDITIONS):
         vol.All(cv.ensure_list, [vol.In(list(SENSOR_TYPES))]),
-    vol.Optional(CONF_DAY):
-        vol.All(cv.ensure_list, [vol.All(vol.Coerce(int), vol.Range(1, 31))]),
     vol.Optional(CONF_HOUR):
         vol.All(cv.ensure_list, [vol.All(vol.Coerce(int), vol.Range(0, 23))]),
     vol.Optional(CONF_MANUAL, default=False): cv.boolean,
@@ -156,8 +153,7 @@ class SpeedtestData:
         if not config.get(CONF_MANUAL):
             track_time_change(
                 hass, self.update, second=config.get(CONF_SECOND),
-                minute=config.get(CONF_MINUTE), hour=config.get(CONF_HOUR),
-                day=config.get(CONF_DAY))
+                minute=config.get(CONF_MINUTE), hour=config.get(CONF_HOUR))
 
     def update(self, now):
         """Get the latest data from speedtest.net."""