diff --git a/core/includes/form.inc b/core/includes/form.inc
index 3330c7c..7222058 100644
--- a/core/includes/form.inc
+++ b/core/includes/form.inc
@@ -2167,7 +2167,7 @@ function form_process_autocomplete($element, &$form_state) {
 }
 
 /**
- * Preprocesses variables for input templates.
+ * Prepares variables for input templates.
  *
  * Default template: input.html.twig.
  *
@@ -2175,11 +2175,9 @@ function form_process_autocomplete($element, &$form_state) {
  *   An associative array containing:
  *   - element: An associative array containing the properties of the element.
  *     Properties used: #attributes.
- *
  */
 function template_preprocess_input(&$variables) {
   $element = $variables['element'];
-  $variables['attributes'] = new Attribute($element['#attributes']);
   $variables['children'] = $element['#children'];
 }
 
diff --git a/core/modules/system/templates/input.html.twig b/core/modules/system/templates/input.html.twig
index 11110fb..9b2522c 100644
--- a/core/modules/system/templates/input.html.twig
+++ b/core/modules/system/templates/input.html.twig
@@ -4,7 +4,7 @@
  * Default theme implementation for an 'input' #type form element.
  *
  * Available variables
- * - attributes: A list of HTML attributes for the wrapper element.
+ * - attributes: A list of HTML attributes for the input element.
  * - children: The rendered input.
  *
  * @see template_preprocess_input()