diff --git a/homeassistant/components/anel_pwrctrl/switch.py b/homeassistant/components/anel_pwrctrl/switch.py
index 36306f18114..cc6011d9b65 100644
--- a/homeassistant/components/anel_pwrctrl/switch.py
+++ b/homeassistant/components/anel_pwrctrl/switch.py
@@ -31,10 +31,10 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 def setup_platform(hass, config, add_entities, discovery_info=None):
     """Set up PwrCtrl devices/switches."""
     host = config.get(CONF_HOST)
-    username = config.get(CONF_USERNAME)
-    password = config.get(CONF_PASSWORD)
-    port_recv = config.get(CONF_PORT_RECV)
-    port_send = config.get(CONF_PORT_SEND)
+    username = config[CONF_USERNAME]
+    password = config[CONF_PASSWORD]
+    port_recv = config[CONF_PORT_RECV]
+    port_send = config[CONF_PORT_SEND]
 
     try:
         master = DeviceMaster(
diff --git a/homeassistant/components/anthemav/media_player.py b/homeassistant/components/anthemav/media_player.py
index 40317ef1728..434692ce6f5 100644
--- a/homeassistant/components/anthemav/media_player.py
+++ b/homeassistant/components/anthemav/media_player.py
@@ -53,8 +53,8 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
     """Set up our socket to the AVR."""
 
-    host = config.get(CONF_HOST)
-    port = config.get(CONF_PORT)
+    host = config[CONF_HOST]
+    port = config[CONF_PORT]
     name = config.get(CONF_NAME)
     device = None
 
diff --git a/homeassistant/components/apcupsd/__init__.py b/homeassistant/components/apcupsd/__init__.py
index 967b5855a51..1f024bf5882 100644
--- a/homeassistant/components/apcupsd/__init__.py
+++ b/homeassistant/components/apcupsd/__init__.py
@@ -37,8 +37,8 @@ CONFIG_SCHEMA = vol.Schema(
 def setup(hass, config):
     """Use config values to set up a function enabling status retrieval."""
     conf = config[DOMAIN]
-    host = conf.get(CONF_HOST)
-    port = conf.get(CONF_PORT)
+    host = conf[CONF_HOST]
+    port = conf[CONF_PORT]
 
     apcups_data = APCUPSdData(host, port)
     hass.data[DOMAIN] = apcups_data
diff --git a/homeassistant/components/apcupsd/binary_sensor.py b/homeassistant/components/apcupsd/binary_sensor.py
index e07f97c928c..000e738052d 100644
--- a/homeassistant/components/apcupsd/binary_sensor.py
+++ b/homeassistant/components/apcupsd/binary_sensor.py
@@ -32,7 +32,7 @@ class OnlineStatus(BinarySensorDevice):
     @property
     def name(self):
         """Return the name of the UPS online status sensor."""
-        return self._config.get(CONF_NAME)
+        return self._config[CONF_NAME]
 
     @property
     def is_on(self):
diff --git a/homeassistant/components/apns/notify.py b/homeassistant/components/apns/notify.py
index 3cd43ee36ae..59b2a7aa9fa 100644
--- a/homeassistant/components/apns/notify.py
+++ b/homeassistant/components/apns/notify.py
@@ -45,10 +45,10 @@ REGISTER_SERVICE_SCHEMA = vol.Schema(
 
 def get_service(hass, config, discovery_info=None):
     """Return push service."""
-    name = config.get(CONF_NAME)
-    cert_file = config.get(CONF_CERTFILE)
-    topic = config.get(CONF_TOPIC)
-    sandbox = config.get(CONF_SANDBOX)
+    name = config[CONF_NAME]
+    cert_file = config[CONF_CERTFILE]
+    topic = config[CONF_TOPIC]
+    sandbox = config[CONF_SANDBOX]
 
     service = ApnsNotificationService(hass, name, topic, sandbox, cert_file)
     hass.services.register(
diff --git a/homeassistant/components/aqualogic/sensor.py b/homeassistant/components/aqualogic/sensor.py
index ce2ecb89d8f..74a70f0b11c 100644
--- a/homeassistant/components/aqualogic/sensor.py
+++ b/homeassistant/components/aqualogic/sensor.py
@@ -52,7 +52,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
     sensors = []
 
     processor = hass.data[DOMAIN]
-    for sensor_type in config.get(CONF_MONITORED_CONDITIONS):
+    for sensor_type in config[CONF_MONITORED_CONDITIONS]:
         sensors.append(AquaLogicSensor(processor, sensor_type))
 
     async_add_entities(sensors)
diff --git a/homeassistant/components/aqualogic/switch.py b/homeassistant/components/aqualogic/switch.py
index c00510b563a..d949175bc6e 100644
--- a/homeassistant/components/aqualogic/switch.py
+++ b/homeassistant/components/aqualogic/switch.py
@@ -39,7 +39,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
     switches = []
 
     processor = hass.data[DOMAIN]
-    for switch_type in config.get(CONF_MONITORED_CONDITIONS):
+    for switch_type in config[CONF_MONITORED_CONDITIONS]:
         switches.append(AquaLogicSwitch(processor, switch_type))
 
     async_add_entities(switches)
diff --git a/homeassistant/components/aquostv/media_player.py b/homeassistant/components/aquostv/media_player.py
index 3895dafe1fa..d5383590868 100644
--- a/homeassistant/components/aquostv/media_player.py
+++ b/homeassistant/components/aquostv/media_player.py
@@ -79,11 +79,11 @@ SOURCES = {
 def setup_platform(hass, config, add_entities, discovery_info=None):
     """Set up the Sharp Aquos TV platform."""
 
-    name = config.get(CONF_NAME)
-    port = config.get(CONF_PORT)
-    username = config.get(CONF_USERNAME)
-    password = config.get(CONF_PASSWORD)
-    power_on_enabled = config.get("power_on_enabled")
+    name = config[CONF_NAME]
+    port = config[CONF_PORT]
+    username = config[CONF_USERNAME]
+    password = config[CONF_PASSWORD]
+    power_on_enabled = config["power_on_enabled"]
 
     if discovery_info:
         _LOGGER.debug("%s", discovery_info)
@@ -96,7 +96,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
         add_entities([SharpAquosTVDevice(name, remote, power_on_enabled)])
         return True
 
-    host = config.get(CONF_HOST)
+    host = config[CONF_HOST]
     remote = sharp_aquos_rc.TV(host, port, username, password, 15, 1)
 
     add_entities([SharpAquosTVDevice(name, remote, power_on_enabled)])
diff --git a/homeassistant/components/arduino/sensor.py b/homeassistant/components/arduino/sensor.py
index 9178e99e0f9..8da656d217a 100644
--- a/homeassistant/components/arduino/sensor.py
+++ b/homeassistant/components/arduino/sensor.py
@@ -26,7 +26,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     """Set up the Arduino platform."""
     board = hass.data[DOMAIN]
 
-    pins = config.get(CONF_PINS)
+    pins = config[CONF_PINS]
 
     sensors = []
     for pinnum, pin in pins.items():
diff --git a/homeassistant/components/arduino/switch.py b/homeassistant/components/arduino/switch.py
index 7ce4de69f4f..ea6f36ac7f5 100644
--- a/homeassistant/components/arduino/switch.py
+++ b/homeassistant/components/arduino/switch.py
@@ -33,7 +33,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     """Set up the Arduino platform."""
     board = hass.data[DOMAIN]
 
-    pins = config.get(CONF_PINS)
+    pins = config[CONF_PINS]
 
     switches = []
     for pinnum, pin in pins.items():
@@ -47,13 +47,13 @@ class ArduinoSwitch(SwitchDevice):
     def __init__(self, pin, options, board):
         """Initialize the Pin."""
         self._pin = pin
-        self._name = options.get(CONF_NAME)
+        self._name = options[CONF_NAME]
         self.pin_type = CONF_TYPE
         self.direction = "out"
 
-        self._state = options.get(CONF_INITIAL)
+        self._state = options[CONF_INITIAL]
 
-        if options.get(CONF_NEGATE):
+        if options[CONF_NEGATE]:
             self.turn_on_handler = board.set_digital_out_low
             self.turn_off_handler = board.set_digital_out_high
         else:
diff --git a/homeassistant/components/arest/binary_sensor.py b/homeassistant/components/arest/binary_sensor.py
index 3bd0a85c6f0..d84b79f1d4c 100644
--- a/homeassistant/components/arest/binary_sensor.py
+++ b/homeassistant/components/arest/binary_sensor.py
@@ -30,8 +30,8 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 
 def setup_platform(hass, config, add_entities, discovery_info=None):
     """Set up the aREST binary sensor."""
-    resource = config.get(CONF_RESOURCE)
-    pin = config.get(CONF_PIN)
+    resource = config[CONF_RESOURCE]
+    pin = config[CONF_PIN]
     device_class = config.get(CONF_DEVICE_CLASS)
 
     try:
diff --git a/homeassistant/components/arest/sensor.py b/homeassistant/components/arest/sensor.py
index 1bb34a11693..b118422ef8c 100644
--- a/homeassistant/components/arest/sensor.py
+++ b/homeassistant/components/arest/sensor.py
@@ -51,9 +51,9 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 
 def setup_platform(hass, config, add_entities, discovery_info=None):
     """Set up the aREST sensor."""
-    resource = config.get(CONF_RESOURCE)
-    var_conf = config.get(CONF_MONITORED_VARIABLES)
-    pins = config.get(CONF_PINS)
+    resource = config[CONF_RESOURCE]
+    var_conf = config[CONF_MONITORED_VARIABLES]
+    pins = config[CONF_PINS]
 
     try:
         response = requests.get(resource, timeout=10).json()
diff --git a/homeassistant/components/arest/switch.py b/homeassistant/components/arest/switch.py
index d3a51391627..298ac106dec 100644
--- a/homeassistant/components/arest/switch.py
+++ b/homeassistant/components/arest/switch.py
@@ -40,7 +40,7 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 
 def setup_platform(hass, config, add_entities, discovery_info=None):
     """Set up the aREST switches."""
-    resource = config.get(CONF_RESOURCE)
+    resource = config[CONF_RESOURCE]
 
     try:
         response = requests.get(resource, timeout=10)
@@ -54,7 +54,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
         return False
 
     dev = []
-    pins = config.get(CONF_PINS)
+    pins = config[CONF_PINS]
     for pinnum, pin in pins.items():
         dev.append(
             ArestSwitchPin(
@@ -62,11 +62,11 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
                 config.get(CONF_NAME, response.json()[CONF_NAME]),
                 pin.get(CONF_NAME),
                 pinnum,
-                pin.get(CONF_INVERT),
+                pin[CONF_INVERT],
             )
         )
 
-    functions = config.get(CONF_FUNCTIONS)
+    functions = config[CONF_FUNCTIONS]
     for funcname, func in functions.items():
         dev.append(
             ArestSwitchFunction(
diff --git a/homeassistant/components/arlo/__init__.py b/homeassistant/components/arlo/__init__.py
index 40d75d557bb..3cc0ec607a5 100644
--- a/homeassistant/components/arlo/__init__.py
+++ b/homeassistant/components/arlo/__init__.py
@@ -43,9 +43,9 @@ CONFIG_SCHEMA = vol.Schema(
 def setup(hass, config):
     """Set up an Arlo component."""
     conf = config[DOMAIN]
-    username = conf.get(CONF_USERNAME)
-    password = conf.get(CONF_PASSWORD)
-    scan_interval = conf.get(CONF_SCAN_INTERVAL)
+    username = conf[CONF_USERNAME]
+    password = conf[CONF_PASSWORD]
+    scan_interval = conf[CONF_SCAN_INTERVAL]
 
     try:
 
diff --git a/homeassistant/components/arlo/alarm_control_panel.py b/homeassistant/components/arlo/alarm_control_panel.py
index 5e5597f50da..7440db0495e 100644
--- a/homeassistant/components/arlo/alarm_control_panel.py
+++ b/homeassistant/components/arlo/alarm_control_panel.py
@@ -53,9 +53,9 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     if not arlo.base_stations:
         return
 
-    home_mode_name = config.get(CONF_HOME_MODE_NAME)
-    away_mode_name = config.get(CONF_AWAY_MODE_NAME)
-    night_mode_name = config.get(CONF_NIGHT_MODE_NAME)
+    home_mode_name = config[CONF_HOME_MODE_NAME]
+    away_mode_name = config[CONF_AWAY_MODE_NAME]
+    night_mode_name = config[CONF_NIGHT_MODE_NAME]
     base_stations = []
     for base_station in arlo.base_stations:
         base_stations.append(
diff --git a/homeassistant/components/arlo/sensor.py b/homeassistant/components/arlo/sensor.py
index 10f8d670108..9942ce687f4 100644
--- a/homeassistant/components/arlo/sensor.py
+++ b/homeassistant/components/arlo/sensor.py
@@ -51,7 +51,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
         return
 
     sensors = []
-    for sensor_type in config.get(CONF_MONITORED_CONDITIONS):
+    for sensor_type in config[CONF_MONITORED_CONDITIONS]:
         if sensor_type == "total_cameras":
             sensors.append(ArloSensor(SENSOR_TYPES[sensor_type][0], arlo, sensor_type))
         else:
diff --git a/homeassistant/components/asterisk_mbox/__init__.py b/homeassistant/components/asterisk_mbox/__init__.py
index 1ecba9f4c8f..ca511267302 100644
--- a/homeassistant/components/asterisk_mbox/__init__.py
+++ b/homeassistant/components/asterisk_mbox/__init__.py
@@ -43,9 +43,9 @@ def setup(hass, config):
     """Set up for the Asterisk Voicemail box."""
     conf = config.get(DOMAIN)
 
-    host = conf.get(CONF_HOST)
-    port = conf.get(CONF_PORT)
-    password = conf.get(CONF_PASSWORD)
+    host = conf[CONF_HOST]
+    port = conf[CONF_PORT]
+    password = conf[CONF_PASSWORD]
 
     hass.data[DOMAIN] = AsteriskData(hass, host, port, password, config)
 
diff --git a/homeassistant/components/aurora/binary_sensor.py b/homeassistant/components/aurora/binary_sensor.py
index 6963d836685..e2f07276c6c 100644
--- a/homeassistant/components/aurora/binary_sensor.py
+++ b/homeassistant/components/aurora/binary_sensor.py
@@ -41,8 +41,8 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
         _LOGGER.error("Lat. or long. not set in Home Assistant config")
         return False
 
-    name = config.get(CONF_NAME)
-    threshold = config.get(CONF_THRESHOLD)
+    name = config[CONF_NAME]
+    threshold = config[CONF_THRESHOLD]
 
     try:
         aurora_data = AuroraData(hass.config.latitude, hass.config.longitude, threshold)
diff --git a/homeassistant/components/baidu/tts.py b/homeassistant/components/baidu/tts.py
index 4208750b7fc..2d0857de135 100644
--- a/homeassistant/components/baidu/tts.py
+++ b/homeassistant/components/baidu/tts.py
@@ -63,21 +63,21 @@ class BaiduTTSProvider(Provider):
     def __init__(self, hass, conf):
         """Init Baidu TTS service."""
         self.hass = hass
-        self._lang = conf.get(CONF_LANG)
+        self._lang = conf[CONF_LANG]
         self._codec = "mp3"
         self.name = "BaiduTTS"
 
         self._app_data = {
-            "appid": conf.get(CONF_APP_ID),
-            "apikey": conf.get(CONF_API_KEY),
-            "secretkey": conf.get(CONF_SECRET_KEY),
+            "appid": conf[CONF_APP_ID],
+            "apikey": conf[CONF_API_KEY],
+            "secretkey": conf[CONF_SECRET_KEY],
         }
 
         self._speech_conf_data = {
-            _OPTIONS[CONF_PERSON]: conf.get(CONF_PERSON),
-            _OPTIONS[CONF_PITCH]: conf.get(CONF_PITCH),
-            _OPTIONS[CONF_SPEED]: conf.get(CONF_SPEED),
-            _OPTIONS[CONF_VOLUME]: conf.get(CONF_VOLUME),
+            _OPTIONS[CONF_PERSON]: conf[CONF_PERSON],
+            _OPTIONS[CONF_PITCH]: conf[CONF_PITCH],
+            _OPTIONS[CONF_SPEED]: conf[CONF_SPEED],
+            _OPTIONS[CONF_VOLUME]: conf[CONF_VOLUME],
         }
 
     @property
diff --git a/homeassistant/components/bayesian/binary_sensor.py b/homeassistant/components/bayesian/binary_sensor.py
index 78b30557fce..724cb756f65 100644
--- a/homeassistant/components/bayesian/binary_sensor.py
+++ b/homeassistant/components/bayesian/binary_sensor.py
@@ -97,10 +97,10 @@ def update_probability(prior, prob_given_true, prob_given_false):
 
 async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
     """Set up the Bayesian Binary sensor."""
-    name = config.get(CONF_NAME)
-    observations = config.get(CONF_OBSERVATIONS)
-    prior = config.get(CONF_PRIOR)
-    probability_threshold = config.get(CONF_PROBABILITY_THRESHOLD)
+    name = config[CONF_NAME]
+    observations = config[CONF_OBSERVATIONS]
+    prior = config[CONF_PRIOR]
+    probability_threshold = config[CONF_PROBABILITY_THRESHOLD]
     device_class = config.get(CONF_DEVICE_CLASS)
 
     async_add_entities(