diff --git a/tests/test_coder.py b/tests/test_coder.py
index f0c966fe8..35cf0093c 100644
--- a/tests/test_coder.py
+++ b/tests/test_coder.py
@@ -15,7 +15,7 @@ from aider.utils import ChdirTemporaryDirectory, GitTemporaryDirectory
 
 class TestCoder(unittest.TestCase):
     def setUp(self):
-        self.GPT35 = Model("gpt-3.5-turbo", validate_environment=False)
+        self.GPT35 = Model("gpt-3.5-turbo")
 
     def test_allowed_to_edit(self):
         with GitTemporaryDirectory():
diff --git a/tests/test_commands.py b/tests/test_commands.py
index 1f3d4d908..1751a359d 100644
--- a/tests/test_commands.py
+++ b/tests/test_commands.py
@@ -23,7 +23,7 @@ class TestCommands(TestCase):
         self.tempdir = tempfile.mkdtemp()
         os.chdir(self.tempdir)
 
-        self.GPT35 = Model("gpt-3.5-turbo", validate_environment=False)
+        self.GPT35 = Model("gpt-3.5-turbo")
 
     def tearDown(self):
         os.chdir(self.original_cwd)
diff --git a/tests/test_editblock.py b/tests/test_editblock.py
index 3b61cefed..a0c36f072 100644
--- a/tests/test_editblock.py
+++ b/tests/test_editblock.py
@@ -14,7 +14,7 @@ from aider.models import Model
 
 class TestUtils(unittest.TestCase):
     def setUp(self):
-        self.GPT35 = Model("gpt-3.5-turbo", validate_environment=False)
+        self.GPT35 = Model("gpt-3.5-turbo")
 
     # fuzzy logic disabled v0.11.2-dev
     def __test_replace_most_similar_chunk(self):
diff --git a/tests/test_models.py b/tests/test_models.py
index 50cb47243..d46a721db 100644
--- a/tests/test_models.py
+++ b/tests/test_models.py
@@ -5,22 +5,22 @@ from aider.models import Model
 
 class TestModels(unittest.TestCase):
     def test_max_context_tokens(self):
-        model = Model("gpt-3.5-turbo", validate_environment=False)
+        model = Model("gpt-3.5-turbo")
         self.assertEqual(model.info["max_input_tokens"], 16385)
 
-        model = Model("gpt-3.5-turbo-16k", validate_environment=False)
+        model = Model("gpt-3.5-turbo-16k")
         self.assertEqual(model.info["max_input_tokens"], 16385)
 
-        model = Model("gpt-3.5-turbo-1106", validate_environment=False)
+        model = Model("gpt-3.5-turbo-1106")
         self.assertEqual(model.info["max_input_tokens"], 16385)
 
-        model = Model("gpt-4", validate_environment=False)
+        model = Model("gpt-4")
         self.assertEqual(model.info["max_input_tokens"], 8 * 1024)
 
-        model = Model("gpt-4-32k", validate_environment=False)
+        model = Model("gpt-4-32k")
         self.assertEqual(model.info["max_input_tokens"], 32 * 1024)
 
-        model = Model("gpt-4-0613", validate_environment=False)
+        model = Model("gpt-4-0613")
         self.assertEqual(model.info["max_input_tokens"], 8 * 1024)
 
 
diff --git a/tests/test_repo.py b/tests/test_repo.py
index 30adf25f6..bdee89c0c 100644
--- a/tests/test_repo.py
+++ b/tests/test_repo.py
@@ -15,7 +15,7 @@ from aider.utils import GitTemporaryDirectory
 
 class TestRepo(unittest.TestCase):
     def setUp(self):
-        self.GPT35 = Model("gpt-3.5-turbo", validate_environment=False)
+        self.GPT35 = Model("gpt-3.5-turbo")
 
     def test_diffs_empty_repo(self):
         with GitTemporaryDirectory():
diff --git a/tests/test_repomap.py b/tests/test_repomap.py
index 8e367aa29..aa5b09f48 100644
--- a/tests/test_repomap.py
+++ b/tests/test_repomap.py
@@ -10,7 +10,7 @@ from aider.utils import IgnorantTemporaryDirectory
 
 class TestRepoMap(unittest.TestCase):
     def setUp(self):
-        self.GPT35 = Model("gpt-3.5-turbo", validate_environment=False)
+        self.GPT35 = Model("gpt-3.5-turbo")
 
     def test_get_repo_map(self):
         # Create a temporary directory with sample files for testing
@@ -156,7 +156,7 @@ print(my_function(3, 4))
 
 class TestRepoMapTypescript(unittest.TestCase):
     def setUp(self):
-        self.GPT35 = Model("gpt-3.5-turbo", validate_environment=False)
+        self.GPT35 = Model("gpt-3.5-turbo")
 
     def test_get_repo_map_typescript(self):
         # Create a temporary directory with a sample TypeScript file
diff --git a/tests/test_wholefile.py b/tests/test_wholefile.py
index 9dd684f5a..575444105 100644
--- a/tests/test_wholefile.py
+++ b/tests/test_wholefile.py
@@ -18,7 +18,7 @@ class TestWholeFileCoder(unittest.TestCase):
         self.tempdir = tempfile.mkdtemp()
         os.chdir(self.tempdir)
 
-        self.GPT35 = Model("gpt-3.5-turbo", validate_environment=False)
+        self.GPT35 = Model("gpt-3.5-turbo")
 
     def tearDown(self):
         os.chdir(self.original_cwd)