diff --git a/homeassistant/components/rainmachine/strings.json b/homeassistant/components/rainmachine/strings.json
index 916114053cce..d0a6adf46873 100644
--- a/homeassistant/components/rainmachine/strings.json
+++ b/homeassistant/components/rainmachine/strings.json
@@ -11,7 +11,6 @@
       }
     },
     "error": {
-      "identifier_exists": "[%key:common::config_flow::abort::already_configured_account%]",
       "invalid_auth": "[%key:common::config_flow::error::invalid_auth%]"
     },
     "abort": {