diff --git a/snowpenguin/django/recaptcha3/tests.py b/snowpenguin/django/recaptcha3/tests.py
index 3fad417..dc98f99 100644
--- a/snowpenguin/django/recaptcha3/tests.py
+++ b/snowpenguin/django/recaptcha3/tests.py
@@ -32,6 +32,7 @@ def test_dummy_validation_canfail(self):
         self.assertEqual(form.cleaned_data['recaptcha'].get('score'), 0.4)
         self.assertEqual(form.cleaned_data['recaptcha'].get('hostname'), 'localhost')
         self.assertEqual(form.cleaned_data['recaptcha'].get('action'), 'homepage')
+        del os.environ['RECAPTCHA_DISABLE']
 
     @mock.patch('requests.post')
     def test_validate_error_invalid_token(self, requests_post):