diff --git a/core/modules/text/src/Normalizer/TextItemBaseNormalizer.php b/core/modules/text/src/Normalizer/TextItemBaseNormalizer.php
index d8329f3..72a76f7 100644
--- a/core/modules/text/src/Normalizer/TextItemBaseNormalizer.php
+++ b/core/modules/text/src/Normalizer/TextItemBaseNormalizer.php
@@ -4,6 +4,7 @@
 
 use Drupal\Core\Cache\ConditionalCacheabilityMetadataBubblingTrait;
 use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\Render\RenderContext;
 use Drupal\Core\Render\RendererInterface;
 use Drupal\filter\FilterProcessResult;
 use Drupal\serialization\Normalizer\ComplexDataNormalizer;
@@ -84,26 +85,16 @@ public function normalize($field_item, $format = NULL, array $context = []) {
    * @see \Drupal\text\Plugin\Field\FieldType\TextItemBase::propertyDefinitions()
    */
   protected function computeProcessedAttribute(TextItemBase $field_item) {
-    $value = $field_item->getValue();
-    if (empty($value['format'])) {
-      $filter_settings = $this->configFactory->get('filter.settings');
-      $this->bubble($filter_settings);
-      $filter_format_id = $filter_settings->get('fallback_format');
-    }
-    else {
-      $filter_format_id = $value['format'];
-    }
-    $build = [
-      '#type' => 'processed_text',
-      '#text' => $value['value'],
-      '#format' => $filter_format_id,
-      '#filter_types_to_skip' => [],
-      '#langcode' => '',
-    ];
+
+    $render_context = new RenderContext();
     // It's necessary to capture the cacheability metadata associated with the
     // processed text. See https://www.drupal.org/node/2278483.
-    $processed_text = $this->renderer->renderPlain($build);
-    return FilterProcessResult::createFromRenderArray($build)->setProcessedText($processed_text);
+    $processed_text = $this->renderer->executeInRenderContext($render_context, function () use ($field_item) {
+      return $field_item->processed;
+    });
+
+    return (new FilterProcessResult($processed_text))
+      ->merge($render_context->bubble());
   }
 
 }