diff --git a/homeassistant/components/venstar/climate.py b/homeassistant/components/venstar/climate.py
index 45bb77518c9..efa1c56ccbc 100644
--- a/homeassistant/components/venstar/climate.py
+++ b/homeassistant/components/venstar/climate.py
@@ -44,8 +44,6 @@ from .const import (
     DEFAULT_SSL,
     DOMAIN,
     HOLD_MODE_TEMPERATURE,
-    VALID_FAN_STATES,
-    VALID_THERMOSTAT_MODES,
 )
 
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
@@ -106,7 +104,8 @@ async def async_setup_platform(
 class VenstarThermostat(VenstarEntity, ClimateEntity):
     """Representation of a Venstar thermostat."""
 
-    _attr_hvac_modes = VALID_THERMOSTAT_MODES
+    _attr_fan_modes = [FAN_ON, FAN_AUTO]
+    _attr_hvac_modes = [HVACMode.HEAT, HVACMode.COOL, HVACMode.OFF, HVACMode.AUTO]
 
     def __init__(
         self,
@@ -156,11 +155,6 @@ class VenstarThermostat(VenstarEntity, ClimateEntity):
             return TEMP_FAHRENHEIT
         return TEMP_CELSIUS
 
-    @property
-    def fan_modes(self):
-        """Return the list of available fan modes."""
-        return VALID_FAN_STATES
-
     @property
     def current_temperature(self):
         """Return the current temperature."""
diff --git a/homeassistant/components/venstar/const.py b/homeassistant/components/venstar/const.py
index ec672afd714..31eb5724558 100644
--- a/homeassistant/components/venstar/const.py
+++ b/homeassistant/components/venstar/const.py
@@ -1,14 +1,6 @@
 """The venstar component."""
 import logging
 
-from homeassistant.components.climate.const import (
-    HVAC_MODE_AUTO,
-    HVAC_MODE_COOL,
-    HVAC_MODE_HEAT,
-    HVAC_MODE_OFF,
-)
-from homeassistant.const import STATE_ON
-
 DOMAIN = "venstar"
 
 ATTR_FAN_STATE = "fan_state"
@@ -18,9 +10,6 @@ CONF_HUMIDIFIER = "humidifier"
 
 DEFAULT_SSL = False
 
-VALID_FAN_STATES = [STATE_ON, HVAC_MODE_AUTO]
-VALID_THERMOSTAT_MODES = [HVAC_MODE_HEAT, HVAC_MODE_COOL, HVAC_MODE_OFF, HVAC_MODE_AUTO]
-
 HOLD_MODE_OFF = "off"
 HOLD_MODE_TEMPERATURE = "temperature"