diff --git a/homeassistant/components/unifi/config_flow.py b/homeassistant/components/unifi/config_flow.py
index 00b003746a2..fdb75d09194 100644
--- a/homeassistant/components/unifi/config_flow.py
+++ b/homeassistant/components/unifi/config_flow.py
@@ -1,4 +1,4 @@
-"""Config flow for Unifi."""
+"""Config flow for UniFi."""
 import voluptuous as vol
 
 from homeassistant import config_entries
@@ -164,20 +164,6 @@ class UnifiFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
             errors=errors,
         )
 
-    async def async_step_import(self, import_config):
-        """Import from UniFi device tracker config."""
-        config = {
-            CONF_HOST: import_config[CONF_HOST],
-            CONF_USERNAME: import_config[CONF_USERNAME],
-            CONF_PASSWORD: import_config[CONF_PASSWORD],
-            CONF_PORT: import_config.get(CONF_PORT),
-            CONF_VERIFY_SSL: import_config.get(CONF_VERIFY_SSL),
-        }
-
-        self.desc = import_config[CONF_SITE_ID]
-
-        return await self.async_step_user(user_input=config)
-
 
 class UnifiOptionsFlowHandler(config_entries.OptionsFlow):
     """Handle Unifi options."""
diff --git a/homeassistant/components/unifi/device_tracker.py b/homeassistant/components/unifi/device_tracker.py
index ca6ddb68206..b3982e7327d 100644
--- a/homeassistant/components/unifi/device_tracker.py
+++ b/homeassistant/components/unifi/device_tracker.py
@@ -1,36 +1,20 @@
-"""Support for Unifi WAP controllers."""
-from datetime import timedelta
-
+"""Track devices using UniFi controllers."""
 import logging
 import voluptuous as vol
 
-from homeassistant import config_entries
 from homeassistant.components.unifi.config_flow import get_controller_from_config_entry
 from homeassistant.components.device_tracker import DOMAIN, PLATFORM_SCHEMA
 from homeassistant.components.device_tracker.config_entry import ScannerEntity
 from homeassistant.components.device_tracker.const import SOURCE_TYPE_ROUTER
 from homeassistant.core import callback
-from homeassistant.const import (
-    CONF_HOST,
-    CONF_USERNAME,
-    CONF_PASSWORD,
-    CONF_PORT,
-    CONF_VERIFY_SSL,
-)
 from homeassistant.helpers import entity_registry
 from homeassistant.helpers.device_registry import CONNECTION_NETWORK_MAC
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
 from homeassistant.helpers.entity_registry import DISABLED_CONFIG_ENTRY
 
-import homeassistant.helpers.config_validation as cv
 import homeassistant.util.dt as dt_util
 
-from .const import (
-    ATTR_MANUFACTURER,
-    CONF_CONTROLLER,
-    CONF_SITE_ID,
-    DOMAIN as UNIFI_DOMAIN,
-)
+from .const import ATTR_MANUFACTURER
 
 LOGGER = logging.getLogger(__name__)
 
@@ -55,51 +39,11 @@ DEVICE_ATTRIBUTES = [
     "vlan",
 ]
 
-CONF_DT_SITE_ID = "site_id"
-
-DEFAULT_HOST = "localhost"
-DEFAULT_PORT = 8443
-DEFAULT_VERIFY_SSL = True
-DEFAULT_DETECTION_TIME = timedelta(seconds=300)
-
-PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
-    {
-        vol.Optional(CONF_HOST, default=DEFAULT_HOST): cv.string,
-        vol.Optional(CONF_DT_SITE_ID, default="default"): cv.string,
-        vol.Required(CONF_PASSWORD): cv.string,
-        vol.Required(CONF_USERNAME): cv.string,
-        vol.Required(CONF_PORT, default=DEFAULT_PORT): cv.port,
-        vol.Optional(CONF_VERIFY_SSL, default=DEFAULT_VERIFY_SSL): vol.Any(
-            cv.boolean, cv.isfile
-        ),
-    },
-    extra=vol.ALLOW_EXTRA,
-)
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({}, extra=vol.ALLOW_EXTRA)
 
 
 async def async_setup_scanner(hass, config, sync_see, discovery_info):
     """Set up the Unifi integration."""
-    config[CONF_SITE_ID] = config.pop(CONF_DT_SITE_ID)  # Current from legacy
-
-    exist = False
-
-    for entry in hass.config_entries.async_entries(UNIFI_DOMAIN):
-        if (
-            config[CONF_HOST] == entry.data[CONF_CONTROLLER][CONF_HOST]
-            and config[CONF_SITE_ID] == entry.data[CONF_CONTROLLER][CONF_SITE_ID]
-        ):
-            exist = True
-            break
-
-    if not exist:
-        hass.async_create_task(
-            hass.config_entries.flow.async_init(
-                UNIFI_DOMAIN,
-                context={"source": config_entries.SOURCE_IMPORT},
-                data=config,
-            )
-        )
-
     return True
 
 
diff --git a/tests/components/unifi/test_device_tracker.py b/tests/components/unifi/test_device_tracker.py
index 437fabf9689..969c2a734d3 100644
--- a/tests/components/unifi/test_device_tracker.py
+++ b/tests/components/unifi/test_device_tracker.py
@@ -1,4 +1,4 @@
-"""The tests for the Unifi WAP device tracker platform."""
+"""The tests for the UniFi device tracker platform."""
 from collections import deque
 from copy import copy
 from unittest.mock import Mock
@@ -32,7 +32,6 @@ from homeassistant.helpers import entity_registry
 from homeassistant.setup import async_setup_component
 
 import homeassistant.components.device_tracker as device_tracker
-import homeassistant.components.unifi.device_tracker as unifi_dt
 import homeassistant.util.dt as dt_util
 
 DEFAULT_DETECTION_TIME = timedelta(seconds=300)
@@ -275,14 +274,14 @@ async def test_restoring_client(hass, mock_controller):
     registry = await entity_registry.async_get_registry(hass)
     registry.async_get_or_create(
         device_tracker.DOMAIN,
-        unifi_dt.UNIFI_DOMAIN,
+        unifi.DOMAIN,
         "{}-mock-site".format(CLIENT_1["mac"]),
         suggested_object_id=CLIENT_1["hostname"],
         config_entry=config_entry,
     )
     registry.async_get_or_create(
         device_tracker.DOMAIN,
-        unifi_dt.UNIFI_DOMAIN,
+        unifi.DOMAIN,
         "{}-mock-site".format(CLIENT_2["mac"]),
         suggested_object_id=CLIENT_2["hostname"],
         config_entry=config_entry,