diff --git a/core/lib/Drupal/Core/Config/UnsupportedConfigDataTypeException.php b/core/lib/Drupal/Core/Config/UnsupportedConfigDataTypeException.php
deleted file mode 100644
index ac63c2608179208f1fb30974917109b6c3a6f0c3..0000000000000000000000000000000000000000
--- a/core/lib/Drupal/Core/Config/UnsupportedConfigDataTypeException.php
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-
-/**
- * @file
- * Contains \Drupal\Core\Config\UnsupportedConfigDataTypeException.
- */
-
-namespace Drupal\Core\Config;
-
-/**
- * Exception thrown when a config data type is invalid.
- */
-class UnsupportedConfigDataTypeException extends ConfigException {
-}