diff --git a/supabase_auth/_async/gotrue_client.py b/supabase_auth/_async/gotrue_client.py
index 7c9814cd..c3d2b417 100644
--- a/supabase_auth/_async/gotrue_client.py
+++ b/supabase_auth/_async/gotrue_client.py
@@ -307,7 +307,6 @@ async def sign_in_with_id_token(
         access_token = credentials.get("access_token")
         nonce = credentials.get("nonce")
         options = credentials.get("options", {})
-        data = options.get("data") or {}
         captcha_token = options.get("captcha_token")
 
         response = await self._request(
diff --git a/supabase_auth/_sync/gotrue_client.py b/supabase_auth/_sync/gotrue_client.py
index 91cf5023..fd7d3240 100644
--- a/supabase_auth/_sync/gotrue_client.py
+++ b/supabase_auth/_sync/gotrue_client.py
@@ -307,7 +307,6 @@ def sign_in_with_id_token(
         access_token = credentials.get("access_token")
         nonce = credentials.get("nonce")
         options = credentials.get("options", {})
-        data = options.get("data") or {}
         captcha_token = options.get("captcha_token")
 
         response = self._request(
diff --git a/supabase_auth/types.py b/supabase_auth/types.py
index 2ffed75b..63d23fd4 100644
--- a/supabase_auth/types.py
+++ b/supabase_auth/types.py
@@ -305,10 +305,10 @@ class SignInWithPhoneAndPasswordCredentials(TypedDict):
 
 class SignInWithIdTokenCredentials(TypedDict):
     """
-    Provider name or OIDC `iss` value identifying which provider should be used to verify the provided token. Supported names: `google`, `apple`, `azure`, `facebook`, `keycloak` (deprecated).
+    Provider name or OIDC `iss` value identifying which provider should be used to verify the provided token. Supported names: `google`, `apple`, `azure`, `facebook`, `kakao`, `keycloak` (deprecated).
     """
 
-    provider: Literal["google", "apple", "azure", "facebook"]
+    provider: Literal["google", "apple", "azure", "facebook", "kakao"]
     token: str
     access_token: NotRequired[str]
     nonce: NotRequired[str]