From e77908db630299bc63c60483681a51967db2fd3a Mon Sep 17 00:00:00 2001
From: beeplogic <beeplogic@magenation.com>
Date: Thu, 30 Jan 2014 01:12:58 -0800
Subject: [PATCH] Calling clear / removeAllItems / removeItemByKey does not
 remove model from protected _itemsById array

---
 .../Entity/Collection/AbstractCollection.php  | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/app/code/Magento/Eav/Model/Entity/Collection/AbstractCollection.php b/app/code/Magento/Eav/Model/Entity/Collection/AbstractCollection.php
index b8126a5d8cd8b..73f7fe0d73421 100644
--- a/app/code/Magento/Eav/Model/Entity/Collection/AbstractCollection.php
+++ b/app/code/Magento/Eav/Model/Entity/Collection/AbstractCollection.php
@@ -1533,4 +1533,38 @@ public function getLoadedIds()
     {
         return array_keys($this->_items);
     }
+
+    /**
+     * Clear collection
+     * @return \Magento\Eav\Model\Entity\Collection\AbstractCollection
+     */
+    public function clear()
+    {
+        $this->_itemsById = array();
+        return parent::clear();
+    }
+
+    /**
+     * Remove all items from collection
+     * @return \Magento\Eav\Model\Entity\Collection\AbstractCollection
+     */
+    public function removeAllItems()
+    {
+        $this->_itemsById = array();
+        return parent::removeAllItems();
+    }
+
+    /**
+     * Remove item from collection by item key
+     *
+     * @param   mixed $key
+     * @return \Magento\Eav\Model\Entity\Collection\AbstractCollection
+     */
+    public function removeItemByKey($key)
+    {
+        if (isset($this->_items[$key])) {
+            unset($this->_itemsById[$this->_items[$key]->getId()]);
+        }
+        return parent::removeItemByKey($key);
+    }
 }