diff --git a/tests/components/mqtt/test_legacy_vacuum.py b/tests/components/mqtt/test_legacy_vacuum.py
index 8034d42ecbe..6b1a74f256d 100644
--- a/tests/components/mqtt/test_legacy_vacuum.py
+++ b/tests/components/mqtt/test_legacy_vacuum.py
@@ -321,6 +321,41 @@ async def test_commands_without_supported_features(
     mqtt_mock.async_publish.reset_mock()
 
 
+@pytest.mark.parametrize(
+    "hass_config",
+    [
+        {
+            "mqtt": {
+                "vacuum": {
+                    "name": "test",
+                    "schema": "legacy",
+                    mqttvacuum.CONF_SUPPORTED_FEATURES: services_to_strings(
+                        ALL_SERVICES, SERVICE_TO_STRING
+                    ),
+                }
+            }
+        }
+    ],
+)
+async def test_command_without_command_topic(
+    hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator
+) -> None:
+    """Test commands which are not supported by the vacuum."""
+    mqtt_mock = await mqtt_mock_entry()
+
+    await common.async_turn_on(hass, "vacuum.test")
+    mqtt_mock.async_publish.assert_not_called()
+    mqtt_mock.async_publish.reset_mock()
+
+    await common.async_set_fan_speed(hass, "low", "vacuum.test")
+    mqtt_mock.async_publish.assert_not_called()
+    mqtt_mock.async_publish.reset_mock()
+
+    await common.async_send_command(hass, "some command", "vacuum.test")
+    mqtt_mock.async_publish.assert_not_called()
+    mqtt_mock.async_publish.reset_mock()
+
+
 @pytest.mark.parametrize(
     "hass_config",
     [
diff --git a/tests/components/mqtt/test_state_vacuum.py b/tests/components/mqtt/test_state_vacuum.py
index 38baf591094..b22fb96aa13 100644
--- a/tests/components/mqtt/test_state_vacuum.py
+++ b/tests/components/mqtt/test_state_vacuum.py
@@ -11,7 +11,10 @@ from homeassistant.components.mqtt.const import CONF_COMMAND_TOPIC, CONF_STATE_T
 from homeassistant.components.mqtt.vacuum import CONF_SCHEMA, schema_state as mqttvacuum
 from homeassistant.components.mqtt.vacuum.const import MQTT_VACUUM_ATTRIBUTES_BLOCKED
 from homeassistant.components.mqtt.vacuum.schema import services_to_strings
-from homeassistant.components.mqtt.vacuum.schema_state import SERVICE_TO_STRING
+from homeassistant.components.mqtt.vacuum.schema_state import (
+    ALL_SERVICES,
+    SERVICE_TO_STRING,
+)
 from homeassistant.components.vacuum import (
     ATTR_BATTERY_ICON,
     ATTR_BATTERY_LEVEL,
@@ -255,6 +258,41 @@ async def test_commands_without_supported_features(
     mqtt_mock.async_publish.assert_not_called()
 
 
+@pytest.mark.parametrize(
+    "hass_config",
+    [
+        {
+            "mqtt": {
+                "vacuum": {
+                    "name": "test",
+                    "schema": "state",
+                    mqttvacuum.CONF_SUPPORTED_FEATURES: services_to_strings(
+                        ALL_SERVICES, SERVICE_TO_STRING
+                    ),
+                }
+            }
+        }
+    ],
+)
+async def test_command_without_command_topic(
+    hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator
+) -> None:
+    """Test commands which are not supported by the vacuum."""
+    mqtt_mock = await mqtt_mock_entry()
+
+    await common.async_start(hass, "vacuum.test")
+    mqtt_mock.async_publish.assert_not_called()
+    mqtt_mock.async_publish.reset_mock()
+
+    await common.async_set_fan_speed(hass, "low", "vacuum.test")
+    mqtt_mock.async_publish.assert_not_called()
+    mqtt_mock.async_publish.reset_mock()
+
+    await common.async_send_command(hass, "some command", "vacuum.test")
+    mqtt_mock.async_publish.assert_not_called()
+    mqtt_mock.async_publish.reset_mock()
+
+
 @pytest.mark.parametrize("hass_config", [CONFIG_ALL_SERVICES])
 async def test_status(
     hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator