diff --git a/homeassistant/components/zwave_js/binary_sensor.py b/homeassistant/components/zwave_js/binary_sensor.py
index b6e27b10800..f53b670ae46 100644
--- a/homeassistant/components/zwave_js/binary_sensor.py
+++ b/homeassistant/components/zwave_js/binary_sensor.py
@@ -654,6 +654,7 @@ DISCOVERY_SCHEMAS: list[NewZWaveDiscoverySchema] = [
             key=NOTIFICATION_SMOKE_ALARM,
             entity_category=EntityCategory.DIAGNOSTIC,
             not_states={
+                0,
                 SmokeAlarmNotificationEvent.SENSOR_STATUS_SMOKE_DETECTED_LOCATION_PROVIDED,
                 SmokeAlarmNotificationEvent.SENSOR_STATUS_SMOKE_DETECTED,
                 SmokeAlarmNotificationEvent.MAINTENANCE_STATUS_REPLACEMENT_REQUIRED,
diff --git a/tests/components/zwave_js/test_binary_sensor.py b/tests/components/zwave_js/test_binary_sensor.py
index 5dfbb0f5bd8..b2442796466 100644
--- a/tests/components/zwave_js/test_binary_sensor.py
+++ b/tests/components/zwave_js/test_binary_sensor.py
@@ -383,6 +383,13 @@ async def test_smoke_co_notification_sensors(
         assert entity_entry
         assert entity_entry.entity_category == EntityCategory.DIAGNOSTIC
 
+    # Test that no idle states are created as entities
+    entity_id = "binary_sensor.zcombo_g_smoke_co_alarm_idle"
+    state = hass.states.get(entity_id)
+    assert state is None
+    entity_entry = entity_registry.async_get(entity_id)
+    assert entity_entry is None
+
     # Test state updates for smoke alarm
     event = Event(
         type="value updated",