From 5f8df0e91f229eecedc8022cd0cdd3384ef234ad Mon Sep 17 00:00:00 2001
From: Alex Pott <alex.a.pott@googlemail.com>
Date: Tue, 21 Jul 2020 00:00:33 +0100
Subject: [PATCH] Issue #3160169 by jameszhang023: Unused variable $a in
 \Drupal\taxonomy\Plugin\Validation\Constraint\TaxonomyTermHierarchyConstraintValidator::validate()

(cherry picked from commit ec71190699cc524d96ccca267bd45cd112e3489d)
---
 .../Constraint/TaxonomyTermHierarchyConstraintValidator.php      | 1 -
 1 file changed, 1 deletion(-)

diff --git a/core/modules/taxonomy/src/Plugin/Validation/Constraint/TaxonomyTermHierarchyConstraintValidator.php b/core/modules/taxonomy/src/Plugin/Validation/Constraint/TaxonomyTermHierarchyConstraintValidator.php
index 4eeb80961b..ac67040a2e 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();
-- 
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