diff --git a/homeassistant/components/kmtronic/__init__.py b/homeassistant/components/kmtronic/__init__.py
index 1f012985447..0ac4ea8cb59 100644
--- a/homeassistant/components/kmtronic/__init__.py
+++ b/homeassistant/components/kmtronic/__init__.py
@@ -10,20 +10,12 @@ from pykmtronic.hub import KMTronicHubAPI
 import voluptuous as vol
 
 from homeassistant.config_entries import ConfigEntry, ConfigEntryNotReady
+from homeassistant.const import CONF_HOST, CONF_PASSWORD, CONF_USERNAME
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import aiohttp_client
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
 
-from .const import (
-    CONF_HOSTNAME,
-    CONF_PASSWORD,
-    CONF_USERNAME,
-    DATA_COORDINATOR,
-    DATA_HOST,
-    DATA_HUB,
-    DOMAIN,
-    MANUFACTURER,
-)
+from .const import DATA_COORDINATOR, DATA_HOST, DATA_HUB, DOMAIN, MANUFACTURER
 
 CONFIG_SCHEMA = vol.Schema({DOMAIN: vol.Schema({})}, extra=vol.ALLOW_EXTRA)
 
@@ -41,11 +33,10 @@ async def async_setup(hass: HomeAssistant, config: dict):
 
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry):
     """Set up kmtronic from a config entry."""
-
     session = aiohttp_client.async_get_clientsession(hass)
     auth = Auth(
         session,
-        f"http://{entry.data[CONF_HOSTNAME]}",
+        f"http://{entry.data[CONF_HOST]}",
         entry.data[CONF_USERNAME],
         entry.data[CONF_PASSWORD],
     )
diff --git a/homeassistant/components/kmtronic/config_flow.py b/homeassistant/components/kmtronic/config_flow.py
index 376bb64c34c..841c541dd4e 100644
--- a/homeassistant/components/kmtronic/config_flow.py
+++ b/homeassistant/components/kmtronic/config_flow.py
@@ -7,23 +7,22 @@ from pykmtronic.hub import KMTronicHubAPI
 import voluptuous as vol
 
 from homeassistant import config_entries, core, exceptions
+from homeassistant.const import CONF_HOST, CONF_PASSWORD, CONF_USERNAME
 from homeassistant.helpers import aiohttp_client
 
-from .const import CONF_HOSTNAME, CONF_PASSWORD, CONF_USERNAME
 from .const import DOMAIN  # pylint:disable=unused-import
 
 _LOGGER = logging.getLogger(__name__)
 
-DATA_SCHEMA = vol.Schema({CONF_HOSTNAME: str, CONF_USERNAME: str, CONF_PASSWORD: str})
+DATA_SCHEMA = vol.Schema({CONF_HOST: str, CONF_USERNAME: str, CONF_PASSWORD: str})
 
 
 async def validate_input(hass: core.HomeAssistant, data):
     """Validate the user input allows us to connect."""
-
     session = aiohttp_client.async_get_clientsession(hass)
     auth = Auth(
         session,
-        f"http://{data[CONF_HOSTNAME]}",
+        f"http://{data[CONF_HOST]}",
         data[CONF_USERNAME],
         data[CONF_PASSWORD],
     )
diff --git a/homeassistant/components/kmtronic/const.py b/homeassistant/components/kmtronic/const.py
index 58553217799..8ca37a0b797 100644
--- a/homeassistant/components/kmtronic/const.py
+++ b/homeassistant/components/kmtronic/const.py
@@ -2,10 +2,6 @@
 
 DOMAIN = "kmtronic"
 
-CONF_HOSTNAME = "host"
-CONF_USERNAME = "username"
-CONF_PASSWORD = "password"
-
 DATA_HUB = "hub"
 DATA_HOST = "host"
 DATA_COORDINATOR = "coordinator"
@@ -13,4 +9,3 @@ DATA_COORDINATOR = "coordinator"
 MANUFACTURER = "KMtronic"
 ATTR_MANUFACTURER = "manufacturer"
 ATTR_IDENTIFIERS = "identifiers"
-ATTR_NAME = "name"