diff --git a/app/code/Magento/Catalog/Model/Category.php b/app/code/Magento/Catalog/Model/Category.php
index 69340665b2ca1..9b05b8edeee79 100644
--- a/app/code/Magento/Catalog/Model/Category.php
+++ b/app/code/Magento/Catalog/Model/Category.php
@@ -97,6 +97,11 @@ class Category extends \Magento\Catalog\Model\AbstractModel implements
      */
     protected $_url;
 
+    /**
+     * @var ResourceModel\Category
+     */
+    protected $_resource;
+
     /**
      * URL rewrite model
      *
@@ -313,6 +318,16 @@ protected function getCustomAttributesCodes()
         return $this->getCustomAttributeCodes->execute($this->metadataService);
     }
 
+    /**
+     * @throws \Magento\Framework\Exception\LocalizedException
+     * @return \Magento\Catalog\Model\ResourceModel\Category
+     * @deprecated because resource models should be used directly
+     */
+    protected function _getResource()
+    {
+        return parent::_getResource();
+    }
+
     /**
      * Get flat resource model flag
      *
diff --git a/app/code/Magento/Catalog/Model/Product.php b/app/code/Magento/Catalog/Model/Product.php
index db16c34f123f2..9bb3562a8b1c0 100644
--- a/app/code/Magento/Catalog/Model/Product.php
+++ b/app/code/Magento/Catalog/Model/Product.php
@@ -120,6 +120,11 @@ class Product extends \Magento\Catalog\Model\AbstractModel implements
      */
     protected $_urlModel = null;
 
+    /**
+     * @var ResourceModel\Product
+     */
+    protected $_resource;
+
     /**
      * @var string
      */
@@ -475,6 +480,18 @@ protected function _construct()
         $this->_init(\Magento\Catalog\Model\ResourceModel\Product::class);
     }
 
+    /**
+     * Get resource instance
+     *
+     * @throws \Magento\Framework\Exception\LocalizedException
+     * @return \Magento\Catalog\Model\ResourceModel\Product
+     * @deprecated because resource models should be used directly
+     */
+    protected function _getResource()
+    {
+        return parent::_getResource();
+    }
+
     /**
      * {@inheritdoc}
      */