diff -u b/core/lib/Drupal/Core/Entity/Entity/EntityFormDisplay.php b/core/lib/Drupal/Core/Entity/Entity/EntityFormDisplay.php
--- b/core/lib/Drupal/Core/Entity/Entity/EntityFormDisplay.php
+++ b/core/lib/Drupal/Core/Entity/Entity/EntityFormDisplay.php
@@ -370,3 +370,17 @@
   }
+  
+  /**
+   * {@inheritdoc}
+   */
+  public function setLayoutId($layout_id, array $layout_settings = []){
+    return $this->entityManager->setLayoutId($layout_id, $layout_settings);
+  }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function ensureLayout($layout_id) {
+    return $this->entityManager->ensureLayout($layout_id);
+  }
+  
 }
diff -u b/core/lib/Drupal/Core/Entity/Entity/EntityViewDisplay.php b/core/lib/Drupal/Core/Entity/Entity/EntityViewDisplay.php
--- b/core/lib/Drupal/Core/Entity/Entity/EntityViewDisplay.php
+++ b/core/lib/Drupal/Core/Entity/Entity/EntityViewDisplay.php
@@ -376,3 +376,16 @@
   }
+  
+   /**
+   * {@inheritdoc}
+   */
+  public function setLayoutId($layout_id, array $layout_settings = []){
+    return $this->entityManager->setLayoutId($layout_id, $layout_settings);
+  }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function ensureLayout($layout_id) {
+    return $this->entityManager->ensureLayout($layout_id);
+  }  
 }