diff --git a/app/code/core/Mage/Catalog/Block/Product/View/Type/Configurable.php b/app/code/core/Mage/Catalog/Block/Product/View/Type/Configurable.php
index 03bc030f045..b5e9471ce62 100644
--- a/app/code/core/Mage/Catalog/Block/Product/View/Type/Configurable.php
+++ b/app/code/core/Mage/Catalog/Block/Product/View/Type/Configurable.php
@@ -25,14 +25,14 @@ class Mage_Catalog_Block_Product_View_Type_Configurable extends Mage_Catalog_Blo
 {
     /**
      * Prices
-     *
+     * @deprecated
      * @var array
      */
     protected $_prices      = [];
 
     /**
      * Prepared prices
-     *
+     * @deprecated
      * @var array
      */
     protected $_resPrices   = [];
@@ -216,14 +216,7 @@ public function getJsonConfig()
                     $optionPrices[] = $configurablePrice;
                 }
             }
-            /**
-             * Prepare formatted values for options choose
-             */
-            foreach ($optionPrices as $optionPrice) {
-                foreach ($optionPrices as $additional) {
-                    $this->_preparePrice(abs($additional - $optionPrice));
-                }
-            }
+
             if ($this->_validateAttributeInfo($info)) {
                 $attributes[$attributeId] = $info;
             }