From 582d9d6871942d37268f87a33a19c96bd315fa8c Mon Sep 17 00:00:00 2001
From: Brandon Kelly <brandon@pixelandtonic.com>
Date: Tue, 14 Jul 2020 10:48:27 -0700
Subject: [PATCH] No need to explicitly bind the method

---
 src/models/LineItem.php | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/models/LineItem.php b/src/models/LineItem.php
index b1943b60db..2474355050 100644
--- a/src/models/LineItem.php
+++ b/src/models/LineItem.php
@@ -445,7 +445,7 @@ public function defineRules(): array
             $purchasable = Craft::$app->getElements()->getElementById($this->purchasableId);
             if ($purchasable && !empty($purchasableRules = $purchasable->getLineItemRules($this))) {
                 foreach ($purchasableRules as $rule) {
-                    $rules[] = $this->_normalizePurchasableRule($rule, $purchasable);
+                    $rules[] = $this->_normalizePurchasableRule($rule);
                 }
             }
         }
@@ -457,14 +457,12 @@ public function defineRules(): array
      * Normalizes a purchasable’s validation rule.
      *
      * @param mixed $rule
-     * @param PurchasableInterface $purchasable
      * @return mixed
      */
-    private function _normalizePurchasableRule($rule, PurchasableInterface $purchasable)
+    private function _normalizePurchasableRule($rule)
     {
         if (isset($rule[1]) && $rule[1] instanceof \Closure) {
             $method = $rule[1];
-            $method->bindTo($purchasable);
             $rule[1] = function($attribute, $params, $validator, $current) use($method) {
                 $method($attribute, $params, $validator, $current);
             };