diff --git a/homeassistant/components/keenetic_ndms2/device_tracker.py b/homeassistant/components/keenetic_ndms2/device_tracker.py
index 3ecff1671426..87b612032750 100644
--- a/homeassistant/components/keenetic_ndms2/device_tracker.py
+++ b/homeassistant/components/keenetic_ndms2/device_tracker.py
@@ -62,7 +62,9 @@ async def async_setup_entry(
 
     async_add_entities(restored)
 
-    async_dispatcher_connect(hass, router.signal_update, update_from_router)
+    config_entry.async_on_unload(
+        async_dispatcher_connect(hass, router.signal_update, update_from_router)
+    )
 
 
 @callback