diff --git a/homeassistant/components/mochad/light.py b/homeassistant/components/mochad/light.py
index a966d0ad9f6..7a6f264e0bc 100644
--- a/homeassistant/components/mochad/light.py
+++ b/homeassistant/components/mochad/light.py
@@ -9,8 +9,8 @@ import voluptuous as vol
 
 from homeassistant.components.light import (
     ATTR_BRIGHTNESS,
+    COLOR_MODE_BRIGHTNESS,
     PLATFORM_SCHEMA,
-    SUPPORT_BRIGHTNESS,
     LightEntity,
 )
 from homeassistant.const import CONF_ADDRESS, CONF_DEVICES, CONF_NAME, CONF_PLATFORM
@@ -56,6 +56,9 @@ def setup_platform(
 class MochadLight(LightEntity):
     """Representation of a X10 dimmer over Mochad."""
 
+    _attr_color_mode = COLOR_MODE_BRIGHTNESS
+    _attr_supported_color_modes = {COLOR_MODE_BRIGHTNESS}
+
     def __init__(self, hass, ctrl, dev):
         """Initialize a Mochad Light Device."""
 
@@ -89,11 +92,6 @@ class MochadLight(LightEntity):
         """Return true if the light is on."""
         return self._state
 
-    @property
-    def supported_features(self):
-        """Return supported features."""
-        return SUPPORT_BRIGHTNESS
-
     @property
     def assumed_state(self):
         """X10 devices are normally 1-way so we have to assume the state."""