diff --git a/homeassistant/components/miele/config_flow.py b/homeassistant/components/miele/config_flow.py
index d3c7dbba12b..191cd9a0454 100644
--- a/homeassistant/components/miele/config_flow.py
+++ b/homeassistant/components/miele/config_flow.py
@@ -26,14 +26,6 @@ class OAuth2FlowHandler(
         """Return logger."""
         return logging.getLogger(__name__)
 
-    @property
-    def extra_authorize_data(self) -> dict:
-        """Extra data that needs to be appended to the authorize url."""
-        # "vg" is mandatory but the value doesn't seem to matter
-        return {
-            "vg": "sv-SE",
-        }
-
     async def async_step_reauth(
         self, entry_data: Mapping[str, Any]
     ) -> ConfigFlowResult:
diff --git a/tests/components/miele/test_config_flow.py b/tests/components/miele/test_config_flow.py
index bbe5844c1cd..5ce129b255d 100644
--- a/tests/components/miele/test_config_flow.py
+++ b/tests/components/miele/test_config_flow.py
@@ -46,7 +46,6 @@ async def test_full_flow(
         f"{OAUTH2_AUTHORIZE}?response_type=code&client_id={CLIENT_ID}"
         f"&redirect_uri={REDIRECT_URL}"
         f"&state={state}"
-        "&vg=sv-SE"
     )
 
     client = await hass_client_no_auth()
@@ -118,7 +117,6 @@ async def test_flow_reauth_abort(
         f"{OAUTH2_AUTHORIZE}?response_type=code&client_id={CLIENT_ID}"
         f"&redirect_uri={REDIRECT_URL}"
         f"&state={state}"
-        "&vg=sv-SE"
     )
 
     client = await hass_client_no_auth()
@@ -187,7 +185,6 @@ async def test_flow_reconfigure_abort(
         f"{OAUTH2_AUTHORIZE}?response_type=code&client_id={CLIENT_ID}"
         f"&redirect_uri={REDIRECT_URL}"
         f"&state={state}"
-        "&vg=sv-SE"
     )
 
     client = await hass_client_no_auth()
@@ -247,7 +244,6 @@ async def test_zeroconf_flow(
         f"{OAUTH2_AUTHORIZE}?response_type=code&client_id={CLIENT_ID}"
         f"&redirect_uri={REDIRECT_URL}"
         f"&state={state}"
-        "&vg=sv-SE"
     )
 
     client = await hass_client_no_auth()