diff --git a/tests/test_command_argument_errors.py b/tests/test_command_argument_errors.py
index c866a45..9909894 100644
--- a/tests/test_command_argument_errors.py
+++ b/tests/test_command_argument_errors.py
@@ -102,10 +102,6 @@ def test_exchange_declare_ticket(self):
         with self.assertRaises(ValueError):
             commands.Exchange.Declare(ticket=46 & 2)  # Just ahead of me
 
-    def test_exchange_declare_internal(self):
-        with self.assertRaises(ValueError):
-            commands.Exchange.Declare(internal=True)
-
     def test_exchange_declare_exchange_length(self):
         with self.assertRaises(ValueError):
             commands.Exchange.Declare(exchange=str.ljust('A', 128))