diff --git a/src/Bigcommerce/Api/Connection.php b/src/Bigcommerce/Api/Connection.php
index 12fb659e..92ecf3df 100644
--- a/src/Bigcommerce/Api/Connection.php
+++ b/src/Bigcommerce/Api/Connection.php
@@ -91,6 +91,10 @@ class Connection
      */
     public function __construct()
     {
+        if (!defined('STDIN')) {
+            define('STDIN', fopen("php://stdin", "r"));
+        }
+        
         $this->curl = curl_init();
         curl_setopt($this->curl, CURLOPT_HEADERFUNCTION, array($this, 'parseHeader'));
         curl_setopt($this->curl, CURLOPT_WRITEFUNCTION, array($this, 'parseBody'));
diff --git a/src/Bigcommerce/Api/Resources/Sku.php b/src/Bigcommerce/Api/Resources/Sku.php
index 58dbdecb..db20f176 100644
--- a/src/Bigcommerce/Api/Resources/Sku.php
+++ b/src/Bigcommerce/Api/Resources/Sku.php
@@ -19,17 +19,6 @@ class Sku extends Resource
         'product_id',
     );
 
-    public function options()
-    {
-        $options = Client::getCollection($this->fields->options->resource, 'SkuOption');
-
-        foreach ($options as $option) {
-            $option->product_id = $this->product_id;
-        }
-
-        return $options;
-    }
-
     public function create()
     {
         return Client::createResource('/products/' . $this->product_id . '/skus', $this->getCreateFields());