From 7633d01c77f3a871cc8b6853c5d29639e6862b9d Mon Sep 17 00:00:00 2001
From: Andriy Nasinnyk <anasinnyk@ebay.com>
Date: Wed, 21 Oct 2015 19:25:50 +0300
Subject: [PATCH] MAGETWO-43587: Sorting by price does not work in backend grid

---
 .../Model/ResourceModel/Product/Collection.php   | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/app/code/Magento/Catalog/Model/ResourceModel/Product/Collection.php b/app/code/Magento/Catalog/Model/ResourceModel/Product/Collection.php
index 0393bf02276..15421607a69 100644
--- a/app/code/Magento/Catalog/Model/ResourceModel/Product/Collection.php
+++ b/app/code/Magento/Catalog/Model/ResourceModel/Product/Collection.php
@@ -133,22 +133,6 @@ class Collection extends \Magento\Catalog\Model\ResourceModel\Collection\Abstrac
      */
     protected $_priceDataFieldFilters = [];
 
-    /**
-     * Map of price fields
-     *
-     * @var array
-     */
-    protected $_map = [
-        'fields' => [
-            'price' => 'price_index.price',
-            'final_price' => 'price_index.final_price',
-            'min_price' => 'price_index.min_price',
-            'max_price' => 'price_index.max_price',
-            'tier_price' => 'price_index.tier_price',
-            'special_price' => 'price_index.special_price',
-        ],
-    ];
-
     /**
      * Price expression sql
      *
-- 
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