diff --git a/core/modules/content_translation/content_translation.module b/core/modules/content_translation/content_translation.module
index 0370367bbf200ef15977c96ab3366a8bc22039ff..ff1b34ddf83972929734a3ac9685dd58a056a14c 100644
--- a/core/modules/content_translation/content_translation.module
+++ b/core/modules/content_translation/content_translation.module
@@ -534,7 +534,7 @@ function content_translation_form_language_content_settings_form_alter(array &$f
 }
 
 /**
- * Implements hook_preprocess_HOOK() for theme_language_content_settings_table().
+ * Implements hook_preprocess_HOOK() for language-content-settings-table.html.twig.
  */
 function content_translation_preprocess_language_content_settings_table(&$variables) {
   module_load_include('inc', 'content_translation', 'content_translation.admin');
diff --git a/core/modules/language/language.admin.inc b/core/modules/language/language.admin.inc
index 71d3da0987a9eb186363f39739968c6e2f840db8..b5a8ec6fc6369594227681244949a2068df7b2c8 100644
--- a/core/modules/language/language.admin.inc
+++ b/core/modules/language/language.admin.inc
@@ -94,7 +94,14 @@ function template_preprocess_language_negotiation_configure_form(&$variables) {
 }
 
 /**
- * Implements hook_preprocess_HOOK() for theme_language_content_settings_table().
+ * Prepares variables for language content settings table templates.
+ *
+ * Default template: language-content-settings-table.html.twig.
+ *
+ * @param array $variables
+ *   An associative array containing:
+ *   - element: An associative array containing the properties of the element.
+ *     Properties used: #bundle_label, #title.
  */
 function template_preprocess_language_content_settings_table(&$variables) {
   // Add a render element representing the bundle language settings table.
@@ -132,24 +139,10 @@ function template_preprocess_language_content_settings_table(&$variables) {
     );
   }
 
+  $variables['title'] = $element['#title'];
   $variables['build'] = array(
-    '#title' => $element['#title'],
     '#header' => $header,
     '#rows' => $rows,
     '#type' => 'table',
   );
 }
-
-/**
- * Returns HTML for an administration settings table.
- *
- * @param array $variables
- *   An associative array containing:
- *   - build: A render element representing a table of bundle content language
- *     settings for a particular entity type.
- *
- * @ingroup themeable
- */
-function theme_language_content_settings_table($variables) {
-  return '<h4>' . theme_render_and_autoescape($variables['build']['#title']) . '</h4>' . theme_render_and_autoescape($variables['build']);
-}
diff --git a/core/modules/language/language.module b/core/modules/language/language.module
index 251b435d2431a45a12a917f44ea15ce78faa99a5..e92baa2490475beb92674f505e69567522124657 100644
--- a/core/modules/language/language.module
+++ b/core/modules/language/language.module
@@ -108,7 +108,6 @@ function language_theme() {
     'language_content_settings_table' => array(
       'render element' => 'element',
       'file' => 'language.admin.inc',
-      'function' => 'theme_language_content_settings_table',
     ),
   );
 }
diff --git a/core/modules/language/templates/language-content-settings-table.html.twig b/core/modules/language/templates/language-content-settings-table.html.twig
new file mode 100644
index 0000000000000000000000000000000000000000..ff2cdbdbb6b74f3d7459c248d315247c902ddad6
--- /dev/null
+++ b/core/modules/language/templates/language-content-settings-table.html.twig
@@ -0,0 +1,16 @@
+{#
+/**
+ * @file
+ * Default theme implementation to display a language content settings table.
+ *
+ * Available variables:
+ * - title: The title of the table.
+ * - build: Table of content language settings.
+ *
+ * @see template_preprocess_language_content_settings_table()
+ *
+ * @ingroup themeable
+ */
+#}
+<h4>{{ title }}</h4>
+{{ build }}