diff --git a/core/modules/field/field.module b/core/modules/field/field.module
index 4d25a1f..35297fd 100644
--- a/core/modules/field/field.module
+++ b/core/modules/field/field.module
@@ -1078,21 +1078,8 @@ function template_preprocess_field(&$variables, $hook) {
     'field__' . $element['#bundle'],
     'field__' . $element['#field_name'] . '__' . $element['#bundle'],
   );
-}
 
-/**
- * Theme process function for theme_field() and field.tpl.php.
- *
- * @see theme_field()
- * @see field.tpl.php
- */
-function template_process_field(&$variables, $hook) {
   static $default_attributes;
-  // The default theme implementation is a function, so template_process() does
-  // not automatically run, so we need to flatten the classes and attributes
-  // here. For best performance, only instantiate Drupal\Core\Template\Attribute
-  // when needed, and note that template_preprocess_field() does not initialize
-  // the *_attributes variables.
   if (!isset($default_attributes)) {
     $default_attributes = new Attribute;
   }