diff --git a/supabase/_async/client.py b/supabase/_async/client.py
index 1f593135..fee425b5 100644
--- a/supabase/_async/client.py
+++ b/supabase/_async/client.py
@@ -58,12 +58,6 @@ def __init__(
         if not re.match(r"^(https?)://.+", supabase_url):
             raise SupabaseException("Invalid URL")
 
-        # Check if the key is a valid JWT
-        if not re.match(
-            r"^[A-Za-z0-9-_=]+\.[A-Za-z0-9-_=]+\.?[A-Za-z0-9-_.+/=]*$", supabase_key
-        ):
-            raise SupabaseException("Invalid API key")
-
         if options is None:
             options = ClientOptions(storage=AsyncMemoryStorage())
 
diff --git a/supabase/_sync/client.py b/supabase/_sync/client.py
index a945716c..eae5bff1 100644
--- a/supabase/_sync/client.py
+++ b/supabase/_sync/client.py
@@ -57,12 +57,6 @@ def __init__(
         if not re.match(r"^(https?)://.+", supabase_url):
             raise SupabaseException("Invalid URL")
 
-        # Check if the key is a valid JWT
-        if not re.match(
-            r"^[A-Za-z0-9-_=]+\.[A-Za-z0-9-_=]+\.?[A-Za-z0-9-_.+/=]*$", supabase_key
-        ):
-            raise SupabaseException("Invalid API key")
-
         if options is None:
             options = ClientOptions(storage=SyncMemoryStorage())
 
diff --git a/tests/test_client.py b/tests/test_client.py
index b0105c4a..ef51f6bd 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -1,26 +1,11 @@
 from __future__ import annotations
 
 import os
-from typing import Any
 from unittest.mock import MagicMock
 
-import pytest
 from gotrue import SyncMemoryStorage
 
-from supabase import Client, ClientOptions, SupabaseException, create_client
-
-
-@pytest.mark.xfail(
-    reason="None of these values should be able to instantiate a client object"
-)
-@pytest.mark.parametrize("url", ["", None, "valeefgpoqwjgpj", 139, -1, {}, []])
-@pytest.mark.parametrize("key", ["", None, "valeefgpoqwjgpj", 139, -1, {}, []])
-def test_incorrect_values_dont_instantiate_client(url: Any, key: Any) -> None:
-    """Ensure we can't instantiate client with invalid values."""
-    try:
-        _: Client = create_client(url, key)
-    except SupabaseException as e:
-        pass
+from supabase import ClientOptions, create_client
 
 
 def test_function_initialization() -> None: