diff --git a/homeassistant/components/ambient_station/__init__.py b/homeassistant/components/ambient_station/__init__.py
index 347ba700060..f276597c79a 100644
--- a/homeassistant/components/ambient_station/__init__.py
+++ b/homeassistant/components/ambient_station/__init__.py
@@ -2,14 +2,12 @@
 
 from aioambient import Client
 from aioambient.errors import WebsocketError
-import voluptuous as vol
 
 from homeassistant.components.binary_sensor import (
     DEVICE_CLASS_CONNECTIVITY,
     DOMAIN as BINARY_SENSOR,
 )
 from homeassistant.components.sensor import DOMAIN as SENSOR
-from homeassistant.config_entries import SOURCE_IMPORT
 from homeassistant.const import (
     ATTR_LOCATION,
     ATTR_NAME,
@@ -291,44 +289,13 @@ SENSOR_TYPES = {
     TYPE_YEARLYRAININ: ("Yearly Rain", "in", SENSOR, None),
 }
 
-CONFIG_SCHEMA = vol.Schema(
-    {
-        DOMAIN: vol.Schema(
-            {
-                vol.Required(CONF_APP_KEY): cv.string,
-                vol.Required(CONF_API_KEY): cv.string,
-            }
-        )
-    },
-    extra=vol.ALLOW_EXTRA,
-)
-
-
-async def async_setup(hass, config):
-    """Set up the Ambient PWS integration."""
-    hass.data[DOMAIN] = {}
-    hass.data[DOMAIN][DATA_CLIENT] = {}
-
-    if DOMAIN not in config:
-        return True
-    conf = config[DOMAIN]
-
-    # Store config for use during entry setup:
-    hass.data[DOMAIN][DATA_CONFIG] = conf
-
-    hass.async_create_task(
-        hass.config_entries.flow.async_init(
-            DOMAIN,
-            context={"source": SOURCE_IMPORT},
-            data={CONF_API_KEY: conf[CONF_API_KEY], CONF_APP_KEY: conf[CONF_APP_KEY]},
-        )
-    )
-
-    return True
+CONFIG_SCHEMA = cv.deprecated(DOMAIN)
 
 
 async def async_setup_entry(hass, config_entry):
     """Set up the Ambient PWS as config entry."""
+    hass.data.setdefault(DOMAIN, {DATA_CLIENT: {}})
+
     if not config_entry.unique_id:
         hass.config_entries.async_update_entry(
             config_entry, unique_id=config_entry.data[CONF_APP_KEY]
diff --git a/homeassistant/components/ambient_station/config_flow.py b/homeassistant/components/ambient_station/config_flow.py
index 429388dcaba..5b40300498b 100644
--- a/homeassistant/components/ambient_station/config_flow.py
+++ b/homeassistant/components/ambient_station/config_flow.py
@@ -29,10 +29,6 @@ class AmbientStationFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
             errors=errors if errors else {},
         )
 
-    async def async_step_import(self, import_config):
-        """Import a config entry from configuration.yaml."""
-        return await self.async_step_user(import_config)
-
     async def async_step_user(self, user_input=None):
         """Handle the start of the config flow."""
         if not user_input:
diff --git a/tests/components/ambient_station/test_config_flow.py b/tests/components/ambient_station/test_config_flow.py
index a64b7761338..806d31b5386 100644
--- a/tests/components/ambient_station/test_config_flow.py
+++ b/tests/components/ambient_station/test_config_flow.py
@@ -83,27 +83,6 @@ async def test_show_form(hass):
     assert result["step_id"] == "user"
 
 
-@pytest.mark.parametrize(
-    "get_devices_response",
-    [mock_coro(return_value=json.loads(load_fixture("ambient_devices.json")))],
-)
-async def test_step_import(hass, mock_aioambient):
-    """Test that the import step works."""
-    conf = {CONF_API_KEY: "12345abcde12345abcde", CONF_APP_KEY: "67890fghij67890fghij"}
-
-    flow = config_flow.AmbientStationFlowHandler()
-    flow.hass = hass
-    flow.context = {"source": SOURCE_USER}
-
-    result = await flow.async_step_import(import_config=conf)
-    assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
-    assert result["title"] == "67890fghij67"
-    assert result["data"] == {
-        CONF_API_KEY: "12345abcde12345abcde",
-        CONF_APP_KEY: "67890fghij67890fghij",
-    }
-
-
 @pytest.mark.parametrize(
     "get_devices_response",
     [mock_coro(return_value=json.loads(load_fixture("ambient_devices.json")))],