diff --git a/core/modules/taxonomy/src/Plugin/Validation/Constraint/TaxonomyTermHierarchyConstraintValidator.php b/core/modules/taxonomy/src/Plugin/Validation/Constraint/TaxonomyTermHierarchyConstraintValidator.php
index 4eeb80961bc102d6d9b7f1b328902faf1f5ff27c..ac67040a2e31f30d8d07e839494db5a4b95bb628 100644
--- a/core/modules/taxonomy/src/Plugin/Validation/Constraint/TaxonomyTermHierarchyConstraintValidator.php
+++ b/core/modules/taxonomy/src/Plugin/Validation/Constraint/TaxonomyTermHierarchyConstraintValidator.php
@@ -60,7 +60,6 @@ public function validate($entity, Constraint $constraint) {
     $new_parents = array_column($entity->parent->getValue(), 'target_id');
     $original_parents = array_keys($term_storage->loadParents($entity->id())) ?: [0];
     if (($is_pending_revision || $ancestor_is_pending_revision) && $new_parents != $original_parents) {
-      $a = 1;
       $this->context->buildViolation($constraint->message)
         ->atPath('parent')
         ->addViolation();