diff --git a/tests/components/modbus/test_modbus_switch.py b/tests/components/modbus/test_modbus_switch.py
index 8af8f3067e1..59d87e146b9 100644
--- a/tests/components/modbus/test_modbus_switch.py
+++ b/tests/components/modbus/test_modbus_switch.py
@@ -40,12 +40,6 @@ from .conftest import base_config_test, base_test
                 CONF_ADDRESS: 1234,
             },
         ),
-        (
-            None,
-            {
-                CONF_ADDRESS: 1234,
-            },
-        ),
         (
             None,
             {