diff --git a/classes/modules/RetailCRM/classes/retailcrm/RetailcrmHttpClient.php b/classes/modules/RetailCRM/classes/retailcrm/RetailcrmHttpClient.php
deleted file mode 100644
index 820d518..0000000
--- a/classes/modules/RetailCRM/classes/retailcrm/RetailcrmHttpClient.php
+++ /dev/null
@@ -1,113 +0,0 @@
-<?php
-/**
- * HTTP client
- */
-class RetailcrmHttpClient
-{
-    const METHOD_GET = 'GET';
-    const METHOD_POST = 'POST';
-
-    protected $url;
-    protected $defaultParameters;
-    protected $retry;
-
-    public function __construct($url, array $defaultParameters = array())
-    {
-        if (false === stripos($url, 'https://')) {
-            throw new InvalidArgumentException('API schema requires HTTPS protocol');
-        }
-
-        $this->url = $url;
-        $this->defaultParameters = $defaultParameters;
-        $this->retry = 0;
-    }
-
-    /**
-     * Make HTTP request
-     *
-     * @param string $path
-     * @param string $method (default: 'GET')
-     * @param array $parameters (default: array())
-     * @param int $timeout
-     * @param bool $verify
-     * @param bool $debug
-     * @return RetailcrmApiResponse
-     */
-    public function makeRequest(
-        $path,
-        $method,
-        array $parameters = array(),
-        $timeout = 30,
-        $verify = false,
-        $debug = false
-    ) {
-        $allowedMethods = array(self::METHOD_GET, self::METHOD_POST);
-        if (!in_array($method, $allowedMethods)) {
-            throw new InvalidArgumentException(sprintf(
-                'Method "%s" is not valid. Allowed methods are %s',
-                $method,
-                implode(', ', $allowedMethods)
-            ));
-        }
-
-        $parameters = array_merge($this->defaultParameters, $parameters);
-
-        $url = $this->url . $path;
-
-        if (self::METHOD_GET === $method && sizeof($parameters)) {
-            $url .= '?' . http_build_query($parameters, '', '&');
-        }
-
-        $ch = curl_init();
-        curl_setopt($ch, CURLOPT_URL, $url);
-        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
-        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
-        curl_setopt($ch, CURLOPT_FAILONERROR, false);
-        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, $verify);
-        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, $verify);
-
-        if (!$debug) {
-            curl_setopt($ch, CURLOPT_TIMEOUT, (int) $timeout);
-            curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, (int) $timeout);
-        } else {
-            curl_setopt($ch, CURLOPT_TIMEOUT_MS, (int) $timeout + ($this->retry * 2000));
-        }
-
-        if (self::METHOD_POST === $method) {
-            curl_setopt($ch, CURLOPT_POST, true);
-            curl_setopt($ch, CURLOPT_POSTFIELDS, $parameters);
-        }
-
-        $responseBody = curl_exec($ch);
-        $statusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
-        $errno = curl_errno($ch);
-        $error = curl_error($ch);
-
-        curl_close($ch);
-
-        if ($errno && in_array($errno, array(6, 7, 28, 34, 35)) && $this->retry < 3) {
-            $errno = null;
-            $error = null;
-            $this->retry += 1;
-            $this->makeRequest(
-                $path,
-                $method,
-                $parameters,
-                $timeout,
-                $verify,
-                $debug
-            );
-        }
-
-        if ($errno) {
-            throw new CurlException($error, $errno);
-        }
-
-        return new RetailcrmApiResponse($statusCode, $responseBody);
-    }
-
-    public function getRetry()
-    {
-        return $this->retry;
-    }
-}
\ No newline at end of file