diff --git a/homeassistant/components/daikin/config_flow.py b/homeassistant/components/daikin/config_flow.py
index 2255f012023..9e980bed196 100644
--- a/homeassistant/components/daikin/config_flow.py
+++ b/homeassistant/components/daikin/config_flow.py
@@ -21,7 +21,6 @@ class FlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
 
     def __init__(self):
         """Initialize the Daikin config flow."""
diff --git a/homeassistant/components/deconz/config_flow.py b/homeassistant/components/deconz/config_flow.py
index 2029903bedf..2f15aaa50cc 100644
--- a/homeassistant/components/deconz/config_flow.py
+++ b/homeassistant/components/deconz/config_flow.py
@@ -47,7 +47,6 @@ class DeconzFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a deCONZ config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_PUSH
 
     _hassio_discovery = None
 
diff --git a/homeassistant/components/denonavr/config_flow.py b/homeassistant/components/denonavr/config_flow.py
index bb06b4aeb66..a58b0ae991f 100644
--- a/homeassistant/components/denonavr/config_flow.py
+++ b/homeassistant/components/denonavr/config_flow.py
@@ -86,7 +86,6 @@ class DenonAvrFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a Denon AVR config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
 
     def __init__(self):
         """Initialize the Denon AVR flow."""
diff --git a/homeassistant/components/devolo_home_control/config_flow.py b/homeassistant/components/devolo_home_control/config_flow.py
index 012fdbf3491..4f605baf98d 100644
--- a/homeassistant/components/devolo_home_control/config_flow.py
+++ b/homeassistant/components/devolo_home_control/config_flow.py
@@ -15,7 +15,6 @@ class DevoloHomeControlFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a devolo HomeControl config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_PUSH
 
     def __init__(self):
         """Initialize devolo Home Control flow."""
diff --git a/homeassistant/components/dexcom/config_flow.py b/homeassistant/components/dexcom/config_flow.py
index 0f3aad6f813..37e6c5e9756 100644
--- a/homeassistant/components/dexcom/config_flow.py
+++ b/homeassistant/components/dexcom/config_flow.py
@@ -21,7 +21,6 @@ class DexcomConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for Dexcom."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
 
     async def async_step_user(self, user_input=None):
         """Handle the initial step."""
diff --git a/homeassistant/components/directv/config_flow.py b/homeassistant/components/directv/config_flow.py
index c0dbaea54ce..325dbb195e9 100644
--- a/homeassistant/components/directv/config_flow.py
+++ b/homeassistant/components/directv/config_flow.py
@@ -9,7 +9,7 @@ from directv import DIRECTV, DIRECTVError
 import voluptuous as vol
 
 from homeassistant.components.ssdp import ATTR_SSDP_LOCATION, ATTR_UPNP_SERIAL
-from homeassistant.config_entries import CONN_CLASS_LOCAL_POLL, ConfigFlow
+from homeassistant.config_entries import ConfigFlow
 from homeassistant.const import CONF_HOST, CONF_NAME
 from homeassistant.core import HomeAssistant
 from homeassistant.data_entry_flow import FlowResult
@@ -40,7 +40,6 @@ class DirecTVConfigFlow(ConfigFlow, domain=DOMAIN):
     """Handle a config flow for DirecTV."""
 
     VERSION = 1
-    CONNECTION_CLASS = CONN_CLASS_LOCAL_POLL
 
     def __init__(self):
         """Set up the instance."""
diff --git a/homeassistant/components/doorbird/config_flow.py b/homeassistant/components/doorbird/config_flow.py
index f69b38c7a7a..2558d1a3869 100644
--- a/homeassistant/components/doorbird/config_flow.py
+++ b/homeassistant/components/doorbird/config_flow.py
@@ -77,7 +77,6 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for DoorBird."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_PUSH
 
     def __init__(self):
         """Initialize the DoorBird config flow."""
diff --git a/homeassistant/components/dsmr/config_flow.py b/homeassistant/components/dsmr/config_flow.py
index 5a03a80ff52..bdaaea22f64 100644
--- a/homeassistant/components/dsmr/config_flow.py
+++ b/homeassistant/components/dsmr/config_flow.py
@@ -123,7 +123,6 @@ class DSMRFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for DSMR."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_PUSH
 
     @staticmethod
     @callback
diff --git a/homeassistant/components/dunehd/config_flow.py b/homeassistant/components/dunehd/config_flow.py
index 034b1568c97..3094999dc62 100644
--- a/homeassistant/components/dunehd/config_flow.py
+++ b/homeassistant/components/dunehd/config_flow.py
@@ -30,7 +30,6 @@ class DuneHDConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for Dune HD integration."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
 
     def __init__(self):
         """Initialize."""
diff --git a/homeassistant/components/dynalite/config_flow.py b/homeassistant/components/dynalite/config_flow.py
index 2bd2b142252..9b2b76318f1 100644
--- a/homeassistant/components/dynalite/config_flow.py
+++ b/homeassistant/components/dynalite/config_flow.py
@@ -14,7 +14,6 @@ class DynaliteFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a Dynalite config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
 
     def __init__(self) -> None:
         """Initialize the Dynalite flow."""
diff --git a/homeassistant/components/eafm/config_flow.py b/homeassistant/components/eafm/config_flow.py
index 98e9158e2df..75e5a62a2a0 100644
--- a/homeassistant/components/eafm/config_flow.py
+++ b/homeassistant/components/eafm/config_flow.py
@@ -12,7 +12,6 @@ class UKFloodsFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a UK Environment Agency flood monitoring config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
 
     def __init__(self):
         """Handle a UK Floods config flow."""
diff --git a/homeassistant/components/ecobee/config_flow.py b/homeassistant/components/ecobee/config_flow.py
index 6641181b7e4..f21a0091a81 100644
--- a/homeassistant/components/ecobee/config_flow.py
+++ b/homeassistant/components/ecobee/config_flow.py
@@ -19,7 +19,6 @@ class EcobeeFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle an ecobee config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
 
     def __init__(self):
         """Initialize the ecobee flow."""
diff --git a/homeassistant/components/econet/config_flow.py b/homeassistant/components/econet/config_flow.py
index 739606088f6..eebfa066a92 100644
--- a/homeassistant/components/econet/config_flow.py
+++ b/homeassistant/components/econet/config_flow.py
@@ -13,7 +13,6 @@ class EcoNetFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle an EcoNet config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
 
     def __init__(self):
         """Initialize the config flow."""
diff --git a/homeassistant/components/elgato/config_flow.py b/homeassistant/components/elgato/config_flow.py
index 3b943196573..bcfcc4dcb7f 100644
--- a/homeassistant/components/elgato/config_flow.py
+++ b/homeassistant/components/elgato/config_flow.py
@@ -6,7 +6,7 @@ from typing import Any
 from elgato import Elgato, ElgatoError
 import voluptuous as vol
 
-from homeassistant.config_entries import CONN_CLASS_LOCAL_POLL, ConfigFlow
+from homeassistant.config_entries import ConfigFlow
 from homeassistant.const import CONF_HOST, CONF_PORT
 from homeassistant.core import callback
 from homeassistant.data_entry_flow import FlowResult
@@ -19,7 +19,6 @@ class ElgatoFlowHandler(ConfigFlow, domain=DOMAIN):
     """Handle a Elgato Key Light config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = CONN_CLASS_LOCAL_POLL
 
     host: str
     port: int
diff --git a/homeassistant/components/elkm1/config_flow.py b/homeassistant/components/elkm1/config_flow.py
index 86117824767..919aad3d012 100644
--- a/homeassistant/components/elkm1/config_flow.py
+++ b/homeassistant/components/elkm1/config_flow.py
@@ -87,7 +87,6 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for Elk-M1 Control."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_PUSH
 
     def __init__(self):
         """Initialize the elkm1 config flow."""
diff --git a/homeassistant/components/emonitor/config_flow.py b/homeassistant/components/emonitor/config_flow.py
index 70fa46e4ee7..cc63e707013 100644
--- a/homeassistant/components/emonitor/config_flow.py
+++ b/homeassistant/components/emonitor/config_flow.py
@@ -30,7 +30,6 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for SiteSage Emonitor."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
 
     def __init__(self):
         """Initialize Emonitor ConfigFlow."""
diff --git a/homeassistant/components/emulated_roku/config_flow.py b/homeassistant/components/emulated_roku/config_flow.py
index 1dcf0fa5eac..f1c00a7f8b4 100644
--- a/homeassistant/components/emulated_roku/config_flow.py
+++ b/homeassistant/components/emulated_roku/config_flow.py
@@ -20,7 +20,6 @@ class EmulatedRokuFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle an emulated_roku config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_PUSH
 
     async def async_step_user(self, user_input=None):
         """Handle a flow initialized by the user."""
diff --git a/homeassistant/components/enocean/config_flow.py b/homeassistant/components/enocean/config_flow.py
index 3f4309e3507..d4009e7c400 100644
--- a/homeassistant/components/enocean/config_flow.py
+++ b/homeassistant/components/enocean/config_flow.py
@@ -3,7 +3,6 @@
 import voluptuous as vol
 
 from homeassistant import config_entries
-from homeassistant.config_entries import CONN_CLASS_ASSUMED
 from homeassistant.const import CONF_DEVICE
 
 from . import dongle
@@ -15,7 +14,6 @@ class EnOceanFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
 
     VERSION = 1
     MANUAL_PATH_VALUE = "Custom path"
-    CONNECTION_CLASS = CONN_CLASS_ASSUMED
 
     def __init__(self):
         """Initialize the EnOcean config flow."""
diff --git a/homeassistant/components/enphase_envoy/config_flow.py b/homeassistant/components/enphase_envoy/config_flow.py
index 9fe7f74cc47..8a4b4b19e58 100644
--- a/homeassistant/components/enphase_envoy/config_flow.py
+++ b/homeassistant/components/enphase_envoy/config_flow.py
@@ -52,7 +52,6 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for Enphase Envoy."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
 
     def __init__(self):
         """Initialize an envoy flow."""
diff --git a/homeassistant/components/epson/config_flow.py b/homeassistant/components/epson/config_flow.py
index 6f6d7b2247f..4cade68f24c 100644
--- a/homeassistant/components/epson/config_flow.py
+++ b/homeassistant/components/epson/config_flow.py
@@ -21,7 +21,6 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for epson."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
 
     async def async_step_import(self, import_config):
         """Import a config entry from configuration.yaml."""
diff --git a/homeassistant/components/esphome/config_flow.py b/homeassistant/components/esphome/config_flow.py
index 45a33a0dc24..e31fa202a39 100644
--- a/homeassistant/components/esphome/config_flow.py
+++ b/homeassistant/components/esphome/config_flow.py
@@ -7,7 +7,7 @@ from aioesphomeapi import APIClient, APIConnectionError
 import voluptuous as vol
 
 from homeassistant.components import zeroconf
-from homeassistant.config_entries import CONN_CLASS_LOCAL_PUSH, ConfigFlow
+from homeassistant.config_entries import ConfigFlow
 from homeassistant.const import CONF_HOST, CONF_NAME, CONF_PASSWORD, CONF_PORT
 from homeassistant.core import callback
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
@@ -20,7 +20,6 @@ class EsphomeFlowHandler(ConfigFlow, domain=DOMAIN):
     """Handle a esphome config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = CONN_CLASS_LOCAL_PUSH
 
     def __init__(self):
         """Initialize flow."""
diff --git a/homeassistant/components/ezviz/config_flow.py b/homeassistant/components/ezviz/config_flow.py
index 82203e170e5..6915d8fa8db 100644
--- a/homeassistant/components/ezviz/config_flow.py
+++ b/homeassistant/components/ezviz/config_flow.py
@@ -5,7 +5,7 @@ from pyezviz.client import EzvizClient, HTTPError, InvalidURL, PyEzvizError
 from pyezviz.test_cam_rtsp import AuthTestResultFailed, InvalidHost, TestRTSPAuth
 import voluptuous as vol
 
-from homeassistant.config_entries import CONN_CLASS_CLOUD_POLL, ConfigFlow, OptionsFlow
+from homeassistant.config_entries import ConfigFlow, OptionsFlow
 from homeassistant.const import (
     CONF_CUSTOMIZE,
     CONF_IP_ADDRESS,
@@ -61,7 +61,6 @@ class EzvizConfigFlow(ConfigFlow, domain=DOMAIN):
     """Handle a config flow for Ezviz."""
 
     VERSION = 1
-    CONNECTION_CLASS = CONN_CLASS_CLOUD_POLL
 
     async def _validate_and_create_auth(self, data):
         """Try to login to ezviz cloud account and create entry if successful."""
diff --git a/homeassistant/components/faa_delays/config_flow.py b/homeassistant/components/faa_delays/config_flow.py
index b77ab3554b5..1abd1f00fa5 100644
--- a/homeassistant/components/faa_delays/config_flow.py
+++ b/homeassistant/components/faa_delays/config_flow.py
@@ -20,7 +20,6 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for FAA Delays."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
 
     async def async_step_user(self, user_input=None):
         """Handle the initial step."""
diff --git a/homeassistant/components/fireservicerota/config_flow.py b/homeassistant/components/fireservicerota/config_flow.py
index 6d16c8513d8..3fcd3870f6a 100644
--- a/homeassistant/components/fireservicerota/config_flow.py
+++ b/homeassistant/components/fireservicerota/config_flow.py
@@ -20,7 +20,6 @@ class FireServiceRotaFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a FireServiceRota config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
 
     def __init__(self):
         """Initialize config flow."""
diff --git a/homeassistant/components/firmata/config_flow.py b/homeassistant/components/firmata/config_flow.py
index e9483998060..b4a9ada2c27 100644
--- a/homeassistant/components/firmata/config_flow.py
+++ b/homeassistant/components/firmata/config_flow.py
@@ -17,7 +17,6 @@ class FirmataFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a firmata config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_PUSH
 
     async def async_step_import(self, import_config: dict):
         """Import a firmata board as a config entry.
diff --git a/homeassistant/components/flick_electric/config_flow.py b/homeassistant/components/flick_electric/config_flow.py
index 6956c034d4a..c76b44396f5 100644
--- a/homeassistant/components/flick_electric/config_flow.py
+++ b/homeassistant/components/flick_electric/config_flow.py
@@ -34,7 +34,6 @@ class FlickConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Flick config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
 
     async def _validate_input(self, user_input):
         auth = SimpleFlickAuth(
diff --git a/homeassistant/components/flo/config_flow.py b/homeassistant/components/flo/config_flow.py
index 78899035bfa..038fc33777a 100644
--- a/homeassistant/components/flo/config_flow.py
+++ b/homeassistant/components/flo/config_flow.py
@@ -37,7 +37,6 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for flo."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
 
     async def async_step_user(self, user_input=None):
         """Handle the initial step."""
diff --git a/homeassistant/components/flume/config_flow.py b/homeassistant/components/flume/config_flow.py
index 7a028b94eb0..49ae50d8912 100644
--- a/homeassistant/components/flume/config_flow.py
+++ b/homeassistant/components/flume/config_flow.py
@@ -71,7 +71,6 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for flume."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
 
     async def async_step_user(self, user_input=None):
         """Handle the initial step."""
diff --git a/homeassistant/components/flunearyou/config_flow.py b/homeassistant/components/flunearyou/config_flow.py
index 5229394b58b..a63b6484a61 100644
--- a/homeassistant/components/flunearyou/config_flow.py
+++ b/homeassistant/components/flunearyou/config_flow.py
@@ -14,7 +14,6 @@ class FluNearYouFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle an FluNearYou config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
 
     @property
     def data_schema(self):
diff --git a/homeassistant/components/forked_daapd/config_flow.py b/homeassistant/components/forked_daapd/config_flow.py
index 6bcc35f0a52..1d01218b776 100644
--- a/homeassistant/components/forked_daapd/config_flow.py
+++ b/homeassistant/components/forked_daapd/config_flow.py
@@ -101,7 +101,6 @@ class ForkedDaapdFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a forked-daapd config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_PUSH
 
     def __init__(self):
         """Initialize."""
diff --git a/homeassistant/components/foscam/config_flow.py b/homeassistant/components/foscam/config_flow.py
index 5ec36c97fa0..23d5b335edc 100644
--- a/homeassistant/components/foscam/config_flow.py
+++ b/homeassistant/components/foscam/config_flow.py
@@ -41,7 +41,6 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for foscam."""
 
     VERSION = 2
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
 
     async def _validate_and_create(self, data):
         """Validate the user input allows us to connect.
diff --git a/homeassistant/components/freebox/config_flow.py b/homeassistant/components/freebox/config_flow.py
index f2e115ddf9b..0e10a8328c5 100644
--- a/homeassistant/components/freebox/config_flow.py
+++ b/homeassistant/components/freebox/config_flow.py
@@ -17,7 +17,6 @@ class FreeboxFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
 
     def __init__(self):
         """Initialize Freebox config flow."""
diff --git a/homeassistant/components/fritz/config_flow.py b/homeassistant/components/fritz/config_flow.py
index 801da0eaa1d..fa41dc1e44c 100644
--- a/homeassistant/components/fritz/config_flow.py
+++ b/homeassistant/components/fritz/config_flow.py
@@ -32,7 +32,6 @@ class FritzBoxToolsFlowHandler(ConfigFlow, domain=DOMAIN):
     """Handle a FRITZ!Box Tools config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
 
     def __init__(self):
         """Initialize FRITZ!Box Tools flow."""
diff --git a/homeassistant/components/fritzbox/config_flow.py b/homeassistant/components/fritzbox/config_flow.py
index 2472e502787..ed7cea3bc61 100644
--- a/homeassistant/components/fritzbox/config_flow.py
+++ b/homeassistant/components/fritzbox/config_flow.py
@@ -40,7 +40,6 @@ class FritzboxConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a AVM Fritz!Box config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
 
     def __init__(self):
         """Initialize flow."""
diff --git a/homeassistant/components/fritzbox_callmonitor/config_flow.py b/homeassistant/components/fritzbox_callmonitor/config_flow.py
index c4d0076a792..829a3755633 100644
--- a/homeassistant/components/fritzbox_callmonitor/config_flow.py
+++ b/homeassistant/components/fritzbox_callmonitor/config_flow.py
@@ -51,7 +51,6 @@ class FritzBoxCallMonitorConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a fritzbox_callmonitor config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
 
     def __init__(self):
         """Initialize flow."""
diff --git a/homeassistant/components/garmin_connect/config_flow.py b/homeassistant/components/garmin_connect/config_flow.py
index 7cd2309214a..218a98ba9a4 100644
--- a/homeassistant/components/garmin_connect/config_flow.py
+++ b/homeassistant/components/garmin_connect/config_flow.py
@@ -21,7 +21,6 @@ class GarminConnectConfigFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for Garmin Connect."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
 
     async def _show_setup_form(self, errors=None):
         """Show the setup form to the user."""
diff --git a/homeassistant/components/gdacs/config_flow.py b/homeassistant/components/gdacs/config_flow.py
index 7255fd28de3..c49626557f4 100644
--- a/homeassistant/components/gdacs/config_flow.py
+++ b/homeassistant/components/gdacs/config_flow.py
@@ -24,8 +24,6 @@ _LOGGER = logging.getLogger(__name__)
 class GdacsFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a GDACS config flow."""
 
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
-
     async def _show_form(self, errors=None):
         """Show the form to the user."""
         return self.async_show_form(
diff --git a/homeassistant/components/geonetnz_quakes/config_flow.py b/homeassistant/components/geonetnz_quakes/config_flow.py
index 2bad1533fc7..64db0ac2d7b 100644
--- a/homeassistant/components/geonetnz_quakes/config_flow.py
+++ b/homeassistant/components/geonetnz_quakes/config_flow.py
@@ -37,8 +37,6 @@ _LOGGER = logging.getLogger(__name__)
 class GeonetnzQuakesFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a GeoNet NZ Quakes config flow."""
 
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
-
     async def _show_form(self, errors=None):
         """Show the form to the user."""
         return self.async_show_form(
diff --git a/homeassistant/components/geonetnz_volcano/config_flow.py b/homeassistant/components/geonetnz_volcano/config_flow.py
index 7f47480dc34..21c9265c1dc 100644
--- a/homeassistant/components/geonetnz_volcano/config_flow.py
+++ b/homeassistant/components/geonetnz_volcano/config_flow.py
@@ -29,8 +29,6 @@ def configured_instances(hass):
 class GeonetnzVolcanoFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a GeoNet NZ Volcano config flow."""
 
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
-
     async def _show_form(self, errors=None):
         """Show the form to the user."""
         data_schema = vol.Schema(
diff --git a/homeassistant/components/gios/config_flow.py b/homeassistant/components/gios/config_flow.py
index d2a9f8b73fc..cdf166b4073 100644
--- a/homeassistant/components/gios/config_flow.py
+++ b/homeassistant/components/gios/config_flow.py
@@ -24,7 +24,6 @@ class GiosFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Config flow for GIOS."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
 
     async def async_step_user(self, user_input=None):
         """Handle a flow initialized by the user."""
diff --git a/homeassistant/components/glances/config_flow.py b/homeassistant/components/glances/config_flow.py
index 48352e88543..981c3727b8e 100644
--- a/homeassistant/components/glances/config_flow.py
+++ b/homeassistant/components/glances/config_flow.py
@@ -60,7 +60,6 @@ class GlancesFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a Glances config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
 
     @staticmethod
     @callback
diff --git a/homeassistant/components/goalzero/config_flow.py b/homeassistant/components/goalzero/config_flow.py
index 8a1333d6cf1..c570554d50e 100644
--- a/homeassistant/components/goalzero/config_flow.py
+++ b/homeassistant/components/goalzero/config_flow.py
@@ -19,7 +19,6 @@ class GoalZeroFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for Goal Zero Yeti."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
 
     async def async_step_user(self, user_input=None):
         """Handle a flow initiated by the user."""
diff --git a/homeassistant/components/gogogate2/config_flow.py b/homeassistant/components/gogogate2/config_flow.py
index 3ecd3e85c3f..aa6fa1988ea 100644
--- a/homeassistant/components/gogogate2/config_flow.py
+++ b/homeassistant/components/gogogate2/config_flow.py
@@ -6,7 +6,6 @@ from gogogate2_api.common import AbstractInfoResponse, ApiError
 from gogogate2_api.const import GogoGate2ApiErrorCode, ISmartGateApiErrorCode
 import voluptuous as vol
 
-from homeassistant import config_entries
 from homeassistant.config_entries import SOURCE_IMPORT, ConfigFlow
 from homeassistant.const import (
     CONF_DEVICE,
@@ -23,7 +22,6 @@ class Gogogate2FlowHandler(ConfigFlow, domain=DOMAIN):
     """Gogogate2 config flow."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
 
     def __init__(self):
         """Initialize the config flow."""
diff --git a/homeassistant/components/google_travel_time/config_flow.py b/homeassistant/components/google_travel_time/config_flow.py
index 3bef7d35d50..603a0ec12f0 100644
--- a/homeassistant/components/google_travel_time/config_flow.py
+++ b/homeassistant/components/google_travel_time/config_flow.py
@@ -112,7 +112,6 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for Google Maps Travel Time."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
 
     @staticmethod
     @callback
diff --git a/homeassistant/components/guardian/config_flow.py b/homeassistant/components/guardian/config_flow.py
index d6dcc0614f2..5e7834f4a3f 100644
--- a/homeassistant/components/guardian/config_flow.py
+++ b/homeassistant/components/guardian/config_flow.py
@@ -45,7 +45,6 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for Elexa Guardian."""
 
     VERSION = 1
-    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
 
     def __init__(self):
         """Initialize."""