diff --git a/core/modules/help/src/Plugin/Block/HelpBlock.php b/core/modules/help/src/Plugin/Block/HelpBlock.php
index 79b416f42c..aa4e42d497 100644
--- a/core/modules/help/src/Plugin/Block/HelpBlock.php
+++ b/core/modules/help/src/Plugin/Block/HelpBlock.php
@@ -4,6 +4,7 @@
 
 use Drupal\Core\Block\BlockBase;
 use Drupal\Core\Cache\Cache;
+use Drupal\Core\Extension\Hook\FunctionInvoker;
 use Drupal\Core\Extension\ModuleHandlerInterface;
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
 use Drupal\Core\Routing\RouteMatchInterface;