diff --git a/homeassistant/components/kaleidescape/config_flow.py b/homeassistant/components/kaleidescape/config_flow.py
index a6127e89a77..5454f29f5cb 100644
--- a/homeassistant/components/kaleidescape/config_flow.py
+++ b/homeassistant/components/kaleidescape/config_flow.py
@@ -18,7 +18,6 @@ if TYPE_CHECKING:
     from homeassistant.data_entry_flow import FlowResult
 
 ERROR_CANNOT_CONNECT = "cannot_connect"
-ERROR_UNKNOWN = "unknown"
 ERROR_UNSUPPORTED = "unsupported"