diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index ee3a6a8c725..7761897eef9 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -402,11 +402,6 @@ function theme_settings_convert_to_config(array $theme_settings, Config $config)
   return $config;
 }
 
-/**
- * @addtogroup themeable
- * @{
- */
-
 /**
  * Prepares variables for time templates.
  *
@@ -1088,6 +1083,8 @@ function template_preprocess_feed_icon(&$variables) {
  * @param $variables
  *   An associative array containing:
  *   - size: Optional. The number of indentations to create.
+ *
+ * @ingroup themeable
  */
 function theme_indentation($variables) {
   $output = '';
@@ -1160,10 +1157,6 @@ function template_preprocess_maintenance_task_list(&$variables) {
   }
 }
 
-/**
- * @} End of "addtogroup themeable".
- */
-
 /**
  * Adds a default set of helper variables for preprocessors and templates.
  *