diff --git a/core/modules/content_moderation/content_moderation.module b/core/modules/content_moderation/content_moderation.module
index 94264aee99..4bed2d4dbe 100644
--- a/core/modules/content_moderation/content_moderation.module
+++ b/core/modules/content_moderation/content_moderation.module
@@ -234,12 +234,3 @@ function content_moderation_workflow_insert(WorkflowInterface $entity) {
 function content_moderation_workflow_update(WorkflowInterface $entity) {
   content_moderation_workflow_insert($entity);
 }
-
-/**
- * Implements hook_preprocess().
- */
-function content_moderation_preprocess(&$variables, $hook) {
-  \Drupal::service('class_resolver')
-    ->getInstanceFromDefinition(EntityTypeInfo::class)
-    ->preprocess($variables, $hook);
-}