diff --git a/src/Mailgun/Mailgun.php b/src/Mailgun/Mailgun.php
deleted file mode 100644
index cb61a47..0000000
--- a/src/Mailgun/Mailgun.php
+++ /dev/null
@@ -1,392 +0,0 @@
-<?php
-
-/*
- * Copyright (C) 2013 Mailgun
- *
- * This software may be modified and distributed under the terms
- * of the MIT license. See the LICENSE file for details.
- */
-
-namespace Mailgun;
-
-use Http\Client\Common\HttpMethodsClient;
-use Http\Client\HttpClient;
-use Mailgun\Connection\RestClient;
-use Mailgun\Constants\ExceptionMessages;
-use Mailgun\HttpClient\Plugin\History;
-use Mailgun\Lists\OptInHandler;
-use Mailgun\Messages\BatchMessage;
-use Mailgun\Messages\Exceptions;
-use Mailgun\Messages\MessageBuilder;
-use Mailgun\Hydrator\ModelHydrator;
-use Mailgun\Hydrator\Hydrator;
-use Psr\Http\Message\ResponseInterface;
-
-/**
- * This class is the base class for the Mailgun SDK.
- */
-class Mailgun
-{
-    /**
-     * @var RestClient
-     *
-     * @depracated Will be removed in 3.0
-     */
-    protected $restClient;
-
-    /**
-     * @var null|string
-     */
-    protected $apiKey;
-
-    /**
-     * @var HttpMethodsClient
-     */
-    private $httpClient;
-
-    /**
-     * @var Hydrator
-     */
-    private $hydrator;
-
-    /**
-     * @var RequestBuilder
-     */
-    private $requestBuilder;
-
-    /**
-     * This is a object that holds the last response from the API.
-     *
-     * @var History
-     */
-    private $responseHistory = null;
-
-    /**
-     * @param string|null         $apiKey
-     * @param HttpClient|null     $httpClient
-     * @param string              $apiEndpoint
-     * @param Hydrator|null       $hydrator
-     * @param RequestBuilder|null $requestBuilder
-     *
-     * @internal Use Mailgun::configure or Mailgun::create instead.
-     */
-    public function __construct(
-        $apiKey = null, /* Deprecated, will be removed in 3.0 */
-        HttpClient $httpClient = null,
-        $apiEndpoint = 'api.mailgun.net', /* Deprecated, will be removed in 3.0 */
-        Hydrator $hydrator = null,
-        RequestBuilder $requestBuilder = null
-    ) {
-        $this->apiKey = $apiKey;
-        $this->restClient = new RestClient($apiKey, $apiEndpoint, $httpClient);
-
-        $this->httpClient = $httpClient;
-        $this->requestBuilder = $requestBuilder ?: new RequestBuilder();
-        $this->hydrator = $hydrator ?: new ModelHydrator();
-    }
-
-    /**
-     * @param HttpClientConfigurator $configurator
-     * @param Hydrator|null          $hydrator
-     * @param RequestBuilder|null    $requestBuilder
-     *
-     * @return Mailgun
-     */
-    public static function configure(
-        HttpClientConfigurator $configurator,
-        Hydrator $hydrator = null,
-        RequestBuilder $requestBuilder = null
-    ) {
-        $httpClient = $configurator->createConfiguredClient();
-
-        return new self($configurator->getApiKey(), $httpClient, 'api.mailgun.net', $hydrator, $requestBuilder);
-    }
-
-    /**
-     * @param string $apiKey
-     * @param string $endpoint URL to mailgun servers
-     *
-     * @return Mailgun
-     */
-    public static function create($apiKey, $endpoint = 'https://api.mailgun.net')
-    {
-        $httpClientConfigurator = (new HttpClientConfigurator())
-            ->setApiKey($apiKey)
-            ->setEndpoint($endpoint);
-
-        return self::configure($httpClientConfigurator);
-    }
-
-    /**
-     *  This function allows the sending of a fully formed message OR a custom
-     *  MIME string. If sending MIME, the string must be passed in to the 3rd
-     *  position of the function call.
-     *
-     * @param string $workingDomain
-     * @param array  $postData
-     * @param array  $postFiles
-     *
-     * @throws Exceptions\MissingRequiredMIMEParameters
-     *
-     * @return \stdClass
-     *
-     * @deprecated Use Mailgun->messages()->send() instead. Will be removed in 3.0
-     */
-    public function sendMessage($workingDomain, $postData, $postFiles = [])
-    {
-        if (is_array($postFiles)) {
-            return $this->post("$workingDomain/messages", $postData, $postFiles);
-        } elseif (is_string($postFiles)) {
-            $tempFile = tempnam(sys_get_temp_dir(), 'MG_TMP_MIME');
-            $fileHandle = fopen($tempFile, 'w');
-            fwrite($fileHandle, $postFiles);
-
-            $result = $this->post("$workingDomain/messages.mime", $postData, ['message' => $tempFile]);
-            fclose($fileHandle);
-            unlink($tempFile);
-
-            return $result;
-        } else {
-            throw new Exceptions\MissingRequiredMIMEParameters(ExceptionMessages::EXCEPTION_MISSING_REQUIRED_MIME_PARAMETERS);
-        }
-    }
-
-    /**
-     * This function checks the signature in a POST request to see if it is
-     * authentic.
-     *
-     * Pass an array of parameters.  If you pass nothing, $_POST will be
-     * used instead.
-     *
-     * If this function returns FALSE, you must not process the request.
-     * You should reject the request with status code 403 Forbidden.
-     *
-     * @param array|null $postData
-     *
-     * @return bool
-     *
-     * @deprecated Use Mailgun->webhook() instead. Will be removed in 3.0
-     */
-    public function verifyWebhookSignature($postData = null)
-    {
-        if (null === $postData) {
-            $postData = $_POST;
-        }
-        if (!isset($postData['timestamp']) || !isset($postData['token']) || !isset($postData['signature'])) {
-            return false;
-        }
-        $hmac = hash_hmac('sha256', "{$postData['timestamp']}{$postData['token']}", $this->apiKey);
-        $sig = $postData['signature'];
-        if (function_exists('hash_equals')) {
-            // hash_equals is constant time, but will not be introduced until PHP 5.6
-            return hash_equals($hmac, $sig);
-        } else {
-            return $hmac === $sig;
-        }
-    }
-
-    /**
-     * @return ResponseInterface|null
-     */
-    public function getLastResponse()
-    {
-        return $this->responseHistory->getLastResponse();
-    }
-
-    /**
-     * @param string $endpointUrl
-     * @param array  $postData
-     * @param array  $files
-     *
-     * @return \stdClass
-     *
-     * @deprecated Will be removed in 3.0
-     */
-    public function post($endpointUrl, $postData = [], $files = [])
-    {
-        return $this->restClient->post($endpointUrl, $postData, $files);
-    }
-
-    /**
-     * @param string $endpointUrl
-     * @param array  $queryString
-     *
-     * @return \stdClass
-     *
-     * @deprecated Will be removed in 3.0
-     */
-    public function get($endpointUrl, $queryString = [])
-    {
-        return $this->restClient->get($endpointUrl, $queryString);
-    }
-
-    /**
-     * @param string $url
-     *
-     * @return \stdClass
-     *
-     * @deprecated Will be removed in 3.0
-     */
-    public function getAttachment($url)
-    {
-        return $this->restClient->getAttachment($url);
-    }
-
-    /**
-     * @param string $endpointUrl
-     *
-     * @return \stdClass
-     *
-     * @deprecated Will be removed in 3.0
-     */
-    public function delete($endpointUrl)
-    {
-        return $this->restClient->delete($endpointUrl);
-    }
-
-    /**
-     * @param string $endpointUrl
-     * @param array  $putData
-     *
-     * @return \stdClass
-     *
-     * @deprecated Will be removed in 3.0
-     */
-    public function put($endpointUrl, $putData)
-    {
-        return $this->restClient->put($endpointUrl, $putData);
-    }
-
-    /**
-     * @param string $apiVersion
-     *
-     * @return Mailgun
-     *
-     * @deprecated Will be removed in 3.0
-     */
-    public function setApiVersion($apiVersion)
-    {
-        $this->restClient->setApiVersion($apiVersion);
-
-        return $this;
-    }
-
-    /**
-     * @param bool $sslEnabled
-     *
-     * @return Mailgun
-     *
-     * @deprecated This will be removed in 3.0. Mailgun does not support non-secure connections to their API.
-     */
-    public function setSslEnabled($sslEnabled)
-    {
-        $this->restClient->setSslEnabled($sslEnabled);
-
-        return $this;
-    }
-
-    /**
-     * @return MessageBuilder
-     *
-     * @deprecated Will be removed in 3.0.
-     */
-    public function MessageBuilder()
-    {
-        return new MessageBuilder();
-    }
-
-    /**
-     * @return OptInHandler
-     *
-     * @deprecated Will be removed in 3.0
-     */
-    public function OptInHandler()
-    {
-        return new OptInHandler();
-    }
-
-    /**
-     * @param string $workingDomain
-     * @param bool   $autoSend
-     *
-     * @return BatchMessage
-     *
-     * @deprecated Will be removed in 3.0. Use Mailgun::messages()::getBatchMessage().
-     */
-    public function BatchMessage($workingDomain, $autoSend = true)
-    {
-        return new BatchMessage($this->restClient, $workingDomain, $autoSend);
-    }
-
-    /**
-     * @return Api\Domain
-     */
-    public function domains()
-    {
-        return new Api\Domain($this->httpClient, $this->requestBuilder, $this->hydrator);
-    }
-
-    /**
-     * @return Api\EmailValidation
-     */
-    public function emailValidation()
-    {
-        return new Api\EmailValidation($this->httpClient, $this->requestBuilder, $this->hydrator);
-    }
-
-    /**
-     * @return Api\Event
-     */
-    public function events()
-    {
-        return new Api\Event($this->httpClient, $this->requestBuilder, $this->hydrator);
-    }
-
-    /**
-     * @return Api\Message
-     */
-    public function messages()
-    {
-        return new Api\Message($this->httpClient, $this->requestBuilder, $this->hydrator);
-    }
-
-    /**
-     * @return Api\Route
-     */
-    public function routes()
-    {
-        return new Api\Route($this->httpClient, $this->requestBuilder, $this->hydrator);
-    }
-
-    /**
-     * @return Api\Stats
-     */
-    public function stats()
-    {
-        return new Api\Stats($this->httpClient, $this->requestBuilder, $this->hydrator);
-    }
-
-    /**
-     * @return Api\Suppression
-     */
-    public function suppressions()
-    {
-        return new Api\Suppression($this->httpClient, $this->requestBuilder, $this->hydrator);
-    }
-
-    /**
-     * @return Api\Tag
-     */
-    public function tags()
-    {
-        return new Api\Tag($this->httpClient, $this->requestBuilder, $this->hydrator);
-    }
-
-    /**
-     * @return Api\Webhook
-     */
-    public function webhooks()
-    {
-        return new Api\Webhook($this->httpClient, $this->requestBuilder, $this->hydrator, $this->apiKey);
-    }
-}