diff -u b/core/modules/layout_builder/layout_builder.post_update.php b/core/modules/layout_builder/layout_builder.post_update.php
--- b/core/modules/layout_builder/layout_builder.post_update.php
+++ b/core/modules/layout_builder/layout_builder.post_update.php
@@ -52,7 +52,7 @@
         // The field map can contain stale information. If the field does not
         // exist, ignore it. The field map will be rebuilt when the cache is
         // cleared at the end of the update process.
-        if (!$field_config = FieldConfig::loadByName($entity_type_id, $bundle, OverridesSectionStorage::FIELD_NAME)) {
+        if (!FieldConfig::loadByName($entity_type_id, $bundle, OverridesSectionStorage::FIELD_NAME)) {
           continue;
         }
         _layout_builder_add_translation_field($entity_type_id, $bundle);
diff -u b/core/modules/layout_builder/tests/src/Functional/LayoutBuilderTranslationTest.php b/core/modules/layout_builder/tests/src/Functional/LayoutBuilderTranslationTest.php
--- b/core/modules/layout_builder/tests/src/Functional/LayoutBuilderTranslationTest.php
+++ b/core/modules/layout_builder/tests/src/Functional/LayoutBuilderTranslationTest.php
@@ -244,8 +244,7 @@
   /**
    * Setup translated entity with layouts.
    */
-  protected function setUpEntities()
-  {
+  protected function setUpEntities() {
     $this->drupalLogin($this->administrator);
 
     // @todo The Layout Builder UI relies on local tasks; fix in