diff --git a/API.md b/API.md
index 3fe6c7ad6..65e619a29 100644
--- a/API.md
+++ b/API.md
@@ -71,10 +71,10 @@ Optional:
 {
     "beta_channel": "true|false",
     "timezone": "TIMEZONE",
+    "wait_boot": "int",
     "addons_repositories": [
         "REPO_URL"
-    ],
-    "wait_boot": "int"
+    ]
 }
 ```
 
@@ -170,10 +170,7 @@ Return QR-Code
     "name": "custom snapshot name / description",
     "date": "ISO",
     "size": "SIZE_IN_MB",
-    "homeassistant": {
-      "version": "INSTALLED_HASS_VERSION",
-      "devices": []
-    },
+    "homeassistant": "version",
     "addons": [
         {
             "slug": "ADDON_SLUG",
@@ -286,7 +283,6 @@ Optional:
 {
     "version": "INSTALL_VERSION",
     "last_version": "LAST_VERSION",
-    "devices": [""],
     "image": "str",
     "custom": "bool -> if custom image",
     "boot": "bool",
@@ -319,7 +315,6 @@ Output is the raw Docker log.
 
 ```json
 {
-    "devices": [],
     "image": "Optional|null",
     "last_version": "Optional for custom image|null",
     "port": "port for access hass",
diff --git a/hassio/addons/addon.py b/hassio/addons/addon.py
index 9aeade419..571f6d304 100644
--- a/hassio/addons/addon.py
+++ b/hassio/addons/addon.py
@@ -703,8 +703,9 @@ class Addon(CoreSysAttributes):
 
             # check version / restore image
             version = data[ATTR_VERSION]
-            if version != self.instance.version:
+            if not await self.instance.exists():
                 _LOGGER.info("Restore image for addon %s", self._id)
+
                 image_file = Path(temp, "image.tar")
                 if image_file.is_file():
                     await self.instance.import_image(image_file, version)
diff --git a/hassio/addons/validate.py b/hassio/addons/validate.py
index 3603586d2..becf7588f 100644
--- a/hassio/addons/validate.py
+++ b/hassio/addons/validate.py
@@ -183,7 +183,7 @@ SCHEMA_ADDON_SNAPSHOT = vol.Schema({
     vol.Required(ATTR_SYSTEM): SCHEMA_ADDON_SYSTEM,
     vol.Required(ATTR_STATE): vol.In([STATE_STARTED, STATE_STOPPED]),
     vol.Required(ATTR_VERSION): vol.Coerce(str),
-})
+}, extra=vol.REMOVE_EXTRA)
 
 
 def validate_options(raw_schema):
diff --git a/hassio/api/homeassistant.py b/hassio/api/homeassistant.py
index e27394540..d12a108bc 100644
--- a/hassio/api/homeassistant.py
+++ b/hassio/api/homeassistant.py
@@ -6,20 +6,19 @@ import voluptuous as vol
 
 from .utils import api_process, api_process_raw, api_validate
 from ..const import (
-    ATTR_VERSION, ATTR_LAST_VERSION, ATTR_DEVICES, ATTR_IMAGE, ATTR_CUSTOM,
-    ATTR_BOOT, ATTR_PORT, ATTR_PASSWORD, ATTR_SSL, ATTR_WATCHDOG,
-    CONTENT_TYPE_BINARY)
+    ATTR_VERSION, ATTR_LAST_VERSION, ATTR_IMAGE, ATTR_CUSTOM, ATTR_BOOT,
+    ATTR_PORT, ATTR_PASSWORD, ATTR_SSL, ATTR_WATCHDOG, CONTENT_TYPE_BINARY)
 from ..coresys import CoreSysAttributes
-from ..validate import HASS_DEVICES, NETWORK_PORT
+from ..validate import NETWORK_PORT
 
 _LOGGER = logging.getLogger(__name__)
 
 
 # pylint: disable=no-value-for-parameter
 SCHEMA_OPTIONS = vol.Schema({
-    vol.Optional(ATTR_DEVICES): HASS_DEVICES,
     vol.Optional(ATTR_BOOT): vol.Boolean(),
-    vol.Inclusive(ATTR_IMAGE, 'custom_hass'): vol.Any(None, vol.Coerce(str)),
+    vol.Inclusive(ATTR_IMAGE, 'custom_hass'):
+        vol.Any(None, vol.Coerce(str)),
     vol.Inclusive(ATTR_LAST_VERSION, 'custom_hass'):
         vol.Any(None, vol.Coerce(str)),
     vol.Optional(ATTR_PORT): NETWORK_PORT,
@@ -43,7 +42,6 @@ class APIHomeAssistant(CoreSysAttributes):
             ATTR_VERSION: self._homeassistant.version,
             ATTR_LAST_VERSION: self._homeassistant.last_version,
             ATTR_IMAGE: self._homeassistant.image,
-            ATTR_DEVICES: self._homeassistant.devices,
             ATTR_CUSTOM: self._homeassistant.is_custom_image,
             ATTR_BOOT: self._homeassistant.boot,
             ATTR_PORT: self._homeassistant.api_port,
@@ -56,12 +54,9 @@ class APIHomeAssistant(CoreSysAttributes):
         """Set homeassistant options."""
         body = await api_validate(SCHEMA_OPTIONS, request)
 
-        if ATTR_DEVICES in body:
-            self._homeassistant.devices = body[ATTR_DEVICES]
-
-        if ATTR_IMAGE in body:
-            self._homeassistant.set_custom(
-                body[ATTR_IMAGE], body[ATTR_LAST_VERSION])
+        if ATTR_IMAGE in body and ATTR_LAST_VERSION in body:
+            self._homeassistant.image = body[ATTR_IMAGE]
+            self._homeassistant.last_version = body[ATTR_LAST_VERSION]
 
         if ATTR_BOOT in body:
             self._homeassistant.boot = body[ATTR_BOOT]
@@ -78,6 +73,7 @@ class APIHomeAssistant(CoreSysAttributes):
         if ATTR_WATCHDOG in body:
             self._homeassistant.watchdog = body[ATTR_WATCHDOG]
 
+        self._homeassistant.save()
         return True
 
     @api_process
diff --git a/hassio/api/snapshots.py b/hassio/api/snapshots.py
index c293c2a68..804bd0439 100644
--- a/hassio/api/snapshots.py
+++ b/hassio/api/snapshots.py
@@ -9,7 +9,7 @@ from ..snapshots.validate import ALL_FOLDERS
 from ..const import (
     ATTR_NAME, ATTR_SLUG, ATTR_DATE, ATTR_ADDONS, ATTR_REPOSITORIES,
     ATTR_HOMEASSISTANT, ATTR_VERSION, ATTR_SIZE, ATTR_FOLDERS, ATTR_TYPE,
-    ATTR_DEVICES, ATTR_SNAPSHOTS)
+    ATTR_SNAPSHOTS)
 from ..coresys import CoreSysAttributes
 
 _LOGGER = logging.getLogger(__name__)
@@ -82,10 +82,7 @@ class APISnapshots(CoreSysAttributes):
             ATTR_NAME: snapshot.name,
             ATTR_DATE: snapshot.date,
             ATTR_SIZE: snapshot.size,
-            ATTR_HOMEASSISTANT: {
-                ATTR_VERSION: snapshot.homeassistant_version,
-                ATTR_DEVICES: snapshot.homeassistant_devices,
-            },
+            ATTR_HOMEASSISTANT: snapshot.homeassistant_version,
             ATTR_ADDONS: data_addons,
             ATTR_REPOSITORIES: snapshot.repositories,
             ATTR_FOLDERS: snapshot.folders,
diff --git a/hassio/docker/addon.py b/hassio/docker/addon.py
index 0f025c652..760207143 100644
--- a/hassio/docker/addon.py
+++ b/hassio/docker/addon.py
@@ -100,8 +100,8 @@ class DockerAddon(DockerInterface):
 
         # Auto mapping UART devices
         if self.addon.auto_uart:
-            for uart_dev in self._hardware.serial_devices:
-                devices.append("{0}:{0}:rwm".format(uart_dev))
+            for device in self._hardware.serial_devices:
+                devices.append(f"{device}:{device}:rwm")
 
         # Return None if no devices is present
         return devices or None
@@ -135,7 +135,7 @@ class DockerAddon(DockerInterface):
         """Return tmpfs for docker add-on."""
         options = self.addon.tmpfs
         if options:
-            return {"/tmpfs": "{}".format(options)}
+            return {"/tmpfs": f"{options}"}
         return None
 
     @property
@@ -324,7 +324,7 @@ class DockerAddon(DockerInterface):
         """
         try:
             with tar_file.open("rb") as read_tar:
-                self._docker.api.load_image(read_tar)
+                self._docker.api.load_image(read_tar, quiet=True)
 
             image = self._docker.images.get(self.image)
             image.tag(self.image, tag=tag)
diff --git a/hassio/docker/homeassistant.py b/hassio/docker/homeassistant.py
index 2fb53dca2..148e9c78e 100644
--- a/hassio/docker/homeassistant.py
+++ b/hassio/docker/homeassistant.py
@@ -26,14 +26,10 @@ class DockerHomeAssistant(DockerInterface):
     @property
     def devices(self):
         """Create list of special device to map into docker."""
-        if not self._homeassistant.devices:
-            return None
-
         devices = []
-        for device in self._homeassistant.devices:
-            devices.append("/dev/{0}:/dev/{0}:rwm".format(device))
-
-        return devices
+        for device in self._hardware.serial_devices:
+            devices.append(f"{device}:{device}:rwm")
+        return devices or None
 
     def _run(self):
         """Run docker image.
diff --git a/hassio/docker/interface.py b/hassio/docker/interface.py
index 46432854a..fd44e943a 100644
--- a/hassio/docker/interface.py
+++ b/hassio/docker/interface.py
@@ -69,7 +69,7 @@ class DockerInterface(CoreSysAttributes):
         """
         try:
             _LOGGER.info("Pull image %s tag %s.", self.image, tag)
-            image = self._docker.images.pull("{}:{}".format(self.image, tag))
+            image = self._docker.images.pull(f"{self.image}:{tag}")
 
             image.tag(self.image, tag='latest')
             self._meta = image.attrs
@@ -90,8 +90,9 @@ class DockerInterface(CoreSysAttributes):
         Need run inside executor.
         """
         try:
-            self._docker.images.get(self.image)
-        except docker.errors.DockerException:
+            image = self._docker.images.get(self.image)
+            assert f"{self.image}:{self.version}" in image.tags
+        except (docker.errors.DockerException, AssertionError):
             return False
 
         return True
@@ -204,11 +205,11 @@ class DockerInterface(CoreSysAttributes):
         try:
             with suppress(docker.errors.ImageNotFound):
                 self._docker.images.remove(
-                    image="{}:latest".format(self.image), force=True)
+                    image=f"{self.image}:latest", force=True)
 
             with suppress(docker.errors.ImageNotFound):
                 self._docker.images.remove(
-                    image="{}:{}".format(self.image, self.version), force=True)
+                    image=f"{self.image}:{self.version}", force=True)
 
         except docker.errors.DockerException as err:
             _LOGGER.warning("Can't remove image %s: %s", self.image, err)
diff --git a/hassio/homeassistant.py b/hassio/homeassistant.py
index fb6fdc70f..29ec28001 100644
--- a/hassio/homeassistant.py
+++ b/hassio/homeassistant.py
@@ -8,8 +8,8 @@ import aiohttp
 from aiohttp.hdrs import CONTENT_TYPE
 
 from .const import (
-    FILE_HASSIO_HOMEASSISTANT, ATTR_DEVICES, ATTR_IMAGE, ATTR_LAST_VERSION,
-    ATTR_VERSION, ATTR_BOOT, ATTR_PASSWORD, ATTR_PORT, ATTR_SSL, ATTR_WATCHDOG,
+    FILE_HASSIO_HOMEASSISTANT, ATTR_IMAGE, ATTR_LAST_VERSION,
+    ATTR_BOOT, ATTR_PASSWORD, ATTR_PORT, ATTR_SSL, ATTR_WATCHDOG,
     HEADER_HA_ACCESS, CONTENT_TYPE_JSON)
 from .coresys import CoreSysAttributes
 from .docker.homeassistant import DockerHomeAssistant
@@ -33,14 +33,11 @@ class HomeAssistant(JsonConfig, CoreSysAttributes):
 
     async def load(self):
         """Prepare HomeAssistant object."""
-        if not await self.instance.exists():
-            _LOGGER.info("No HomeAssistant docker %s found.", self.image)
-            if self.is_custom_image:
-                await self.install()
-            else:
-                await self.install_landingpage()
-        else:
-            await self.instance.attach()
+        if await self.instance.attach():
+            return
+
+        _LOGGER.info("No HomeAssistant docker %s found.", self.image)
+        await self.install_landingpage()
 
     @property
     def api_ip(self):
@@ -67,7 +64,6 @@ class HomeAssistant(JsonConfig, CoreSysAttributes):
     def api_password(self, value):
         """Set password for home-assistant instance."""
         self._data[ATTR_PASSWORD] = value
-        self.save()
 
     @property
     def api_ssl(self):
@@ -78,7 +74,6 @@ class HomeAssistant(JsonConfig, CoreSysAttributes):
     def api_ssl(self, value):
         """Set SSL for home-assistant instance."""
         self._data[ATTR_SSL] = value
-        self.save()
 
     @property
     def api_url(self):
@@ -96,7 +91,6 @@ class HomeAssistant(JsonConfig, CoreSysAttributes):
     def watchdog(self, value):
         """Return True if the watchdog should protect Home-Assistant."""
         self._data[ATTR_WATCHDOG] = value
-        self.save()
 
     @property
     def version(self):
@@ -110,28 +104,34 @@ class HomeAssistant(JsonConfig, CoreSysAttributes):
             return self._data.get(ATTR_LAST_VERSION)
         return self._updater.version_homeassistant
 
+    @last_version.setter
+    def last_version(self, value):
+        """Set last available version of homeassistant."""
+        if value:
+            self._data[ATTR_LAST_VERSION] = value
+        else:
+            self._data.pop(ATTR_LAST_VERSION, None)
+
     @property
     def image(self):
         """Return image name of hass containter."""
-        if ATTR_IMAGE in self._data:
+        if self._data.get(ATTR_IMAGE):
             return self._data[ATTR_IMAGE]
         return os.environ['HOMEASSISTANT_REPOSITORY']
 
+    @image.setter
+    def image(self, value):
+        """Set image name of hass containter."""
+        if value:
+            self._data[ATTR_IMAGE] = value
+        else:
+            self._data.pop(ATTR_IMAGE, None)
+
     @property
     def is_custom_image(self):
         """Return True if a custom image is used."""
-        return ATTR_IMAGE in self._data
-
-    @property
-    def devices(self):
-        """Return extend device mapping."""
-        return self._data[ATTR_DEVICES]
-
-    @devices.setter
-    def devices(self, value):
-        """Set extend device mapping."""
-        self._data[ATTR_DEVICES] = value
-        self.save()
+        return all(attr in self._data for attr in
+                   (ATTR_IMAGE, ATTR_LAST_VERSION))
 
     @property
     def boot(self):
@@ -142,23 +142,6 @@ class HomeAssistant(JsonConfig, CoreSysAttributes):
     def boot(self, value):
         """Set home-assistant boot options."""
         self._data[ATTR_BOOT] = value
-        self.save()
-
-    def set_custom(self, image, version):
-        """Set a custom image for homeassistant."""
-        # reset
-        if image is None and version is None:
-            self._data.pop(ATTR_IMAGE, None)
-            self._data.pop(ATTR_VERSION, None)
-
-            self.instance.image = self.image
-        else:
-            if image:
-                self._data[ATTR_IMAGE] = image
-                self.instance.image = image
-            if version:
-                self._data[ATTR_VERSION] = version
-        self.save()
 
     async def install_landingpage(self):
         """Install a landingpage."""
@@ -196,8 +179,9 @@ class HomeAssistant(JsonConfig, CoreSysAttributes):
         """Update HomeAssistant version."""
         version = version or self.last_version
         running = await self.instance.is_running()
+        exists = await self.instance.exists()
 
-        if version == self.instance.version:
+        if exists and version == self.instance.version:
             _LOGGER.info("Version %s is already installed", version)
             return False
 
diff --git a/hassio/snapshots/snapshot.py b/hassio/snapshots/snapshot.py
index d5e54444b..c3fe641f6 100644
--- a/hassio/snapshots/snapshot.py
+++ b/hassio/snapshots/snapshot.py
@@ -13,8 +13,9 @@ from .validate import SCHEMA_SNAPSHOT, ALL_FOLDERS
 from .utils import remove_folder
 from ..const import (
     ATTR_SLUG, ATTR_NAME, ATTR_DATE, ATTR_ADDONS, ATTR_REPOSITORIES,
-    ATTR_HOMEASSISTANT, ATTR_FOLDERS, ATTR_VERSION, ATTR_TYPE, ATTR_DEVICES,
-    ATTR_IMAGE, ATTR_PORT, ATTR_SSL, ATTR_PASSWORD, ATTR_WATCHDOG, ATTR_BOOT)
+    ATTR_HOMEASSISTANT, ATTR_FOLDERS, ATTR_VERSION, ATTR_TYPE, ATTR_IMAGE,
+    ATTR_PORT, ATTR_SSL, ATTR_PASSWORD, ATTR_WATCHDOG, ATTR_BOOT,
+    ATTR_LAST_VERSION)
 from ..coresys import CoreSysAttributes
 from ..utils.json import write_json_file
 
@@ -82,14 +83,14 @@ class Snapshot(CoreSysAttributes):
         self._data[ATTR_HOMEASSISTANT][ATTR_VERSION] = value
 
     @property
-    def homeassistant_devices(self):
-        """Return snapshot homeassistant devices."""
-        return self._data[ATTR_HOMEASSISTANT].get(ATTR_DEVICES)
+    def homeassistant_last_version(self):
+        """Return snapshot homeassistant last version (custom)."""
+        return self._data[ATTR_HOMEASSISTANT].get(ATTR_LAST_VERSION)
 
-    @homeassistant_devices.setter
-    def homeassistant_devices(self, value):
-        """Set snapshot homeassistant devices."""
-        self._data[ATTR_HOMEASSISTANT][ATTR_DEVICES] = value
+    @homeassistant_last_version.setter
+    def homeassistant_last_version(self, value):
+        """Set snapshot homeassistant last version (custom)."""
+        self._data[ATTR_HOMEASSISTANT][ATTR_LAST_VERSION] = value
 
     @property
     def homeassistant_image(self):
@@ -335,13 +336,13 @@ class Snapshot(CoreSysAttributes):
     def store_homeassistant(self):
         """Read all data from homeassistant object."""
         self.homeassistant_version = self._homeassistant.version
-        self.homeassistant_devices = self._homeassistant.devices
         self.homeassistant_watchdog = self._homeassistant.watchdog
         self.homeassistant_boot = self._homeassistant.boot
 
         # custom image
         if self._homeassistant.is_custom_image:
             self.homeassistant_image = self._homeassistant.image
+            self.homeassistant_last_version = self._homeassistant.last_version
 
         # api
         self.homeassistant_port = self._homeassistant.api_port
@@ -350,20 +351,22 @@ class Snapshot(CoreSysAttributes):
 
     def restore_homeassistant(self):
         """Write all data to homeassistant object."""
-        self._homeassistant.devices = self.homeassistant_devices
         self._homeassistant.watchdog = self.homeassistant_watchdog
         self._homeassistant.boot = self.homeassistant_boot
 
         # custom image
         if self.homeassistant_image:
-            self._homeassistant.set_custom(
-                self.homeassistant_image, self.homeassistant_version)
+            self._homeassistant.image = self.homeassistant_image
+            self._homeassistant.last_version = self.homeassistant_last_version
 
         # api
         self._homeassistant.api_port = self.homeassistant_port
         self._homeassistant.api_ssl = self.homeassistant_ssl
         self._homeassistant.api_password = self.homeassistant_password
 
+        # save
+        self._homeassistant.save()
+
     def store_repositories(self):
         """Store repository list into snapshot."""
         self.repositories = self._config.addons_repositories
diff --git a/hassio/snapshots/validate.py b/hassio/snapshots/validate.py
index 9e0fcec04..5007179a8 100644
--- a/hassio/snapshots/validate.py
+++ b/hassio/snapshots/validate.py
@@ -4,11 +4,12 @@ import voluptuous as vol
 
 from ..const import (
     ATTR_REPOSITORIES, ATTR_ADDONS, ATTR_NAME, ATTR_SLUG, ATTR_DATE,
-    ATTR_VERSION, ATTR_HOMEASSISTANT, ATTR_FOLDERS, ATTR_TYPE, ATTR_DEVICES,
-    ATTR_IMAGE, ATTR_PASSWORD, ATTR_PORT, ATTR_SSL, ATTR_WATCHDOG, ATTR_BOOT,
+    ATTR_VERSION, ATTR_HOMEASSISTANT, ATTR_FOLDERS, ATTR_TYPE, ATTR_IMAGE,
+    ATTR_PASSWORD, ATTR_PORT, ATTR_SSL, ATTR_WATCHDOG, ATTR_BOOT,
+    ATTR_LAST_VERSION,
     FOLDER_SHARE, FOLDER_HOMEASSISTANT, FOLDER_ADDONS, FOLDER_SSL,
     SNAPSHOT_FULL, SNAPSHOT_PARTIAL)
-from ..validate import HASS_DEVICES, NETWORK_PORT
+from ..validate import NETWORK_PORT
 
 ALL_FOLDERS = [FOLDER_HOMEASSISTANT, FOLDER_SHARE, FOLDER_ADDONS, FOLDER_SSL]
 
@@ -20,19 +21,19 @@ SCHEMA_SNAPSHOT = vol.Schema({
     vol.Required(ATTR_DATE): vol.Coerce(str),
     vol.Optional(ATTR_HOMEASSISTANT, default={}): vol.Schema({
         vol.Required(ATTR_VERSION): vol.Coerce(str),
-        vol.Optional(ATTR_DEVICES, default=[]): HASS_DEVICES,
         vol.Optional(ATTR_IMAGE): vol.Coerce(str),
+        vol.Optional(ATTR_LAST_VERSION): vol.Coerce(str),
         vol.Optional(ATTR_BOOT, default=True): vol.Boolean(),
         vol.Optional(ATTR_SSL, default=False): vol.Boolean(),
         vol.Optional(ATTR_PORT, default=8123): NETWORK_PORT,
         vol.Optional(ATTR_PASSWORD): vol.Any(None, vol.Coerce(str)),
         vol.Optional(ATTR_WATCHDOG, default=True): vol.Boolean(),
-    }),
+    }, extra=vol.REMOVE_EXTRA),
     vol.Optional(ATTR_FOLDERS, default=[]): [vol.In(ALL_FOLDERS)],
     vol.Optional(ATTR_ADDONS, default=[]): [vol.Schema({
         vol.Required(ATTR_SLUG): vol.Coerce(str),
         vol.Required(ATTR_NAME): vol.Coerce(str),
         vol.Required(ATTR_VERSION): vol.Coerce(str),
-    })],
+    }, extra=vol.REMOVE_EXTRA)],
     vol.Optional(ATTR_REPOSITORIES, default=[]): [vol.Url()],
 }, extra=vol.ALLOW_EXTRA)
diff --git a/hassio/validate.py b/hassio/validate.py
index a77cb92da..fb3fe5c57 100644
--- a/hassio/validate.py
+++ b/hassio/validate.py
@@ -4,15 +4,14 @@ import voluptuous as vol
 import pytz
 
 from .const import (
-    ATTR_DEVICES, ATTR_IMAGE, ATTR_LAST_VERSION, ATTR_SESSIONS, ATTR_PASSWORD,
-    ATTR_TOTP, ATTR_SECURITY, ATTR_BETA_CHANNEL, ATTR_TIMEZONE,
-    ATTR_ADDONS_CUSTOM_LIST, ATTR_AUDIO_OUTPUT, ATTR_AUDIO_INPUT,
-    ATTR_HOMEASSISTANT, ATTR_HASSIO, ATTR_BOOT, ATTR_LAST_BOOT, ATTR_SSL,
-    ATTR_PORT, ATTR_WATCHDOG, ATTR_WAIT_BOOT)
+    ATTR_IMAGE, ATTR_LAST_VERSION, ATTR_SESSIONS, ATTR_PASSWORD, ATTR_TOTP,
+    ATTR_SECURITY, ATTR_BETA_CHANNEL, ATTR_TIMEZONE, ATTR_ADDONS_CUSTOM_LIST,
+    ATTR_AUDIO_OUTPUT, ATTR_AUDIO_INPUT, ATTR_HOMEASSISTANT, ATTR_HASSIO,
+    ATTR_BOOT, ATTR_LAST_BOOT, ATTR_SSL, ATTR_PORT, ATTR_WATCHDOG,
+    ATTR_WAIT_BOOT)
 
 
 NETWORK_PORT = vol.All(vol.Coerce(int), vol.Range(min=1, max=65535))
-HASS_DEVICES = [vol.Match(r"^[^/]*$")]
 ALSA_CHANNEL = vol.Match(r"\d+,\d+")
 WAIT_BOOT = vol.All(vol.Coerce(int), vol.Range(min=1, max=60))
 
@@ -60,7 +59,6 @@ DOCKER_PORTS = vol.Schema({
 
 # pylint: disable=no-value-for-parameter
 SCHEMA_HASS_CONFIG = vol.Schema({
-    vol.Optional(ATTR_DEVICES, default=[]): HASS_DEVICES,
     vol.Optional(ATTR_BOOT, default=True): vol.Boolean(),
     vol.Inclusive(ATTR_IMAGE, 'custom_hass'): vol.Coerce(str),
     vol.Inclusive(ATTR_LAST_VERSION, 'custom_hass'): vol.Coerce(str),