diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index 85f55ed..33bcd69 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -250,32 +250,6 @@ function system_hook_info() {
 /**
  * Implements hook_theme_suggestions_HOOK().
  */
-function system_theme_suggestions_html(array $variables) {
-  if (\Drupal::service('path.matcher')->isFrontPage()) {
-    $path_args = [''];
-  }
-  else {
-    $path_args = explode('/', ltrim(\Drupal::service('path.current')->getPath(), '/'));
-  }
-  return theme_get_suggestions($path_args, 'html');
-}
-
-/**
- * Implements hook_theme_suggestions_HOOK().
- */
-function system_theme_suggestions_page(array $variables) {
-  if (\Drupal::service('path.matcher')->isFrontPage()) {
-    $path_args = [''];
-  }
-  else {
-    $path_args = explode('/', Url::fromRoute('<current>')->getInternalPath());
-  }
-  return theme_get_suggestions($path_args, 'page');
-}
-
-/**
- * Implements hook_theme_suggestions_HOOK().
- */
 function system_theme_suggestions_maintenance_page(array $variables) {
   $suggestions = array();