diff --git a/homeassistant/components/group/__init__.py b/homeassistant/components/group/__init__.py
index 53ce1c0634b..fd44a80cf3c 100644
--- a/homeassistant/components/group/__init__.py
+++ b/homeassistant/components/group/__init__.py
@@ -364,7 +364,7 @@ class Group(Entity):
         if entity_ids:
             self.tracking = tuple(ent_id.lower() for ent_id in entity_ids)
         else:
-            self.tracking = tuple()
+            self.tracking = ()
         self.group_on = None
         self.group_off = None
         self.user_defined = user_defined
diff --git a/homeassistant/components/tcp/sensor.py b/homeassistant/components/tcp/sensor.py
index 62e78f6f88c..5d457f2df7b 100644
--- a/homeassistant/components/tcp/sensor.py
+++ b/homeassistant/components/tcp/sensor.py
@@ -51,7 +51,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
 class TcpSensor(Entity):
     """Implementation of a TCP socket based sensor."""
 
-    required = tuple()
+    required = ()
 
     def __init__(self, hass, config):
         """Set all the config values if they exist and get initial state."""