diff --git a/homeassistant/components/alexa/smart_home.py b/homeassistant/components/alexa/smart_home.py
index b2f8146bfcf..0d325534266 100644
--- a/homeassistant/components/alexa/smart_home.py
+++ b/homeassistant/components/alexa/smart_home.py
@@ -391,6 +391,7 @@ class _AlexaTemperatureSensor(_AlexaInterface):
 
 @ENTITY_ADAPTERS.register(alert.DOMAIN)
 @ENTITY_ADAPTERS.register(automation.DOMAIN)
+@ENTITY_ADAPTERS.register(group.DOMAIN)
 @ENTITY_ADAPTERS.register(input_boolean.DOMAIN)
 class _GenericCapabilities(_AlexaEntity):
     """A generic, on/off device.
@@ -521,16 +522,6 @@ class _ScriptCapabilities(_AlexaEntity):
                                       supports_deactivation=can_cancel)]
 
 
-@ENTITY_ADAPTERS.register(group.DOMAIN)
-class _GroupCapabilities(_AlexaEntity):
-    def default_display_categories(self):
-        return [_DisplayCategory.SCENE_TRIGGER]
-
-    def interfaces(self):
-        return [_AlexaSceneController(self.entity,
-                                      supports_deactivation=True)]
-
-
 @ENTITY_ADAPTERS.register(sensor.DOMAIN)
 class _SensorCapabilities(_AlexaEntity):
     def default_display_categories(self):
@@ -773,6 +764,8 @@ def extract_entity(funct):
 def async_api_turn_on(hass, config, request, entity):
     """Process a turn on request."""
     domain = entity.domain
+    if entity.domain == group.DOMAIN:
+        domain = ha.DOMAIN
 
     service = SERVICE_TURN_ON
     if entity.domain == cover.DOMAIN:
@@ -928,10 +921,7 @@ def async_api_increase_color_temp(hass, config, request, entity):
 @asyncio.coroutine
 def async_api_activate(hass, config, request, entity):
     """Process an activate request."""
-    if entity.domain == group.DOMAIN:
-        domain = ha.DOMAIN
-    else:
-        domain = entity.domain
+    domain = entity.domain
 
     yield from hass.services.async_call(domain, SERVICE_TURN_ON, {
         ATTR_ENTITY_ID: entity.entity_id
@@ -955,10 +945,7 @@ def async_api_activate(hass, config, request, entity):
 @asyncio.coroutine
 def async_api_deactivate(hass, config, request, entity):
     """Process a deactivate request."""
-    if entity.domain == group.DOMAIN:
-        domain = ha.DOMAIN
-    else:
-        domain = entity.domain
+    domain = entity.domain
 
     yield from hass.services.async_call(domain, SERVICE_TURN_OFF, {
         ATTR_ENTITY_ID: entity.entity_id
diff --git a/tests/components/alexa/test_smart_home.py b/tests/components/alexa/test_smart_home.py
index ca49950e2a1..8de4d0d9aff 100644
--- a/tests/components/alexa/test_smart_home.py
+++ b/tests/components/alexa/test_smart_home.py
@@ -569,15 +569,11 @@ def test_group(hass):
     appliance = yield from discovery_test(device, hass)
 
     assert appliance['endpointId'] == 'group#test'
-    assert appliance['displayCategories'][0] == "SCENE_TRIGGER"
+    assert appliance['displayCategories'][0] == "OTHER"
     assert appliance['friendlyName'] == "Test group"
+    assert_endpoint_capabilities(appliance, 'Alexa.PowerController')
 
-    (capability,) = assert_endpoint_capabilities(
-        appliance,
-        'Alexa.SceneController')
-    assert capability['supportsDeactivation']
-
-    yield from assert_scene_controller_works(
+    yield from assert_power_controller_works(
         'group#test',
         'homeassistant.turn_on',
         'homeassistant.turn_off',