diff --git a/homeassistant/components/deconz/strings.json b/homeassistant/components/deconz/strings.json
index 1a3ba9d0950..bbda4e8c0cb 100644
--- a/homeassistant/components/deconz/strings.json
+++ b/homeassistant/components/deconz/strings.json
@@ -31,7 +31,6 @@
       "no_bridges": "No deCONZ bridges discovered",
       "no_hardware_available": "No radio hardware connected to deCONZ",
       "not_deconz_bridge": "Not a deCONZ bridge",
-      "one_instance_only": "Component only supports one deCONZ instance",
       "updated_instance": "Updated deCONZ instance with new host address"
     }
   },