diff --git a/core/modules/language/config/language.detection.yml b/core/modules/language/config/language.detection.yml
deleted file mode 100644
index 1299603..0000000
--- a/core/modules/language/config/language.detection.yml
+++ /dev/null
@@ -1 +0,0 @@
-selected_langcode: site_default
diff --git a/core/modules/language/config/schema/language.schema.yml b/core/modules/language/config/schema/language.schema.yml
index 9a31be7..ab74403 100644
--- a/core/modules/language/config/schema/language.schema.yml
+++ b/core/modules/language/config/schema/language.schema.yml
@@ -17,14 +17,6 @@ language.types:
         - type: string
           label: 'Language type'
 
-language.detection:
-  type: mapping
-  label: 'Language detection settings'
-  mapping:
-    selected_langcode:
-      type: string
-      label: 'Selected language code'
-
 language.negotiation:
   type: mapping
   label: 'Language detection methods'