diff --git a/core/modules/system/tests/fixtures/update/drupal-8.views-taxonomy-parent-2543726.php b/core/modules/system/tests/fixtures/update/drupal-8.views-taxonomy-parent-2543726.php
index 893cfa3723..d9c8a99c83 100644
--- a/core/modules/system/tests/fixtures/update/drupal-8.views-taxonomy-parent-2543726.php
+++ b/core/modules/system/tests/fixtures/update/drupal-8.views-taxonomy-parent-2543726.php
@@ -23,7 +23,7 @@
   ])
   ->execute();
 
-$uuid = \Drupal::service('uuid');
+$uuid = new \Drupal\Component\Uuid\Php();
 
 // The root tid.
 $tids = [0];
diff --git a/core/modules/taxonomy/tests/src/Functional/Update/TaxonomyParentUpdateTest.php b/core/modules/taxonomy/tests/src/Functional/Update/TaxonomyParentUpdateTest.php
index dae3cc2925..6733e7e447 100644
--- a/core/modules/taxonomy/tests/src/Functional/Update/TaxonomyParentUpdateTest.php
+++ b/core/modules/taxonomy/tests/src/Functional/Update/TaxonomyParentUpdateTest.php
@@ -51,13 +51,6 @@ public function testTaxonomyUpdateParents() {
     // Run updates.
     $this->runUpdates();
 
-    $tids = [
-      // This reads as: tid with index 1 has tids with index 2 and 3 as parents.
-      1 => [2, 3],
-      2 => [3, 0],
-      3 => [0],
-    ];
-
     /** @var \Drupal\taxonomy\TermInterface $term */
     $term = Term::load(1);
     $parents = [2, 3];