diff --git a/src/Subscriber/BootSubscriber.php b/src/Subscriber/BootSubscriber.php
deleted file mode 100644
index 7969dc7..0000000
--- a/src/Subscriber/BootSubscriber.php
+++ /dev/null
@@ -1,295 +0,0 @@
-<?php
-
-/**
- * Leaflet maps for Contao CMS.
- *
- * @package    contao-leaflet-maps
- * @author     David Molineus <david.molineus@netzmacht.de>
- * @copyright  2016-2017 netzmacht David Molineus. All rights reserved.
- * @license    LGPL-3.0 https://github.com/netzmacht/contao-leaflet-maps/blob/master/LICENSE
- * @filesource
- */
-
-namespace Netzmacht\Contao\Leaflet\Subscriber;
-
-use ContaoCommunityAlliance\Contao\EventDispatcher\EventDispatcherInitializer;
-use Netzmacht\Contao\Leaflet\ContaoAssets;
-use Netzmacht\Contao\Leaflet\DependencyInjection\LeafletServices;
-use Netzmacht\Contao\Leaflet\Event\GetJavascriptEvent;
-use Netzmacht\Contao\Leaflet\Event\InitializeDefinitionMapperEvent;
-use Netzmacht\Contao\Leaflet\Event\InitializeEventDispatcherEvent;
-use Netzmacht\Contao\Leaflet\Event\InitializeLeafletBuilderEvent;
-use Netzmacht\Contao\Leaflet\Frontend\InsertTag\LeafletInsertTagParser;
-use Netzmacht\Contao\Leaflet\Mapper\DefinitionMapper;
-use Netzmacht\Contao\Leaflet\Mapper\Mapper;
-use Netzmacht\Contao\Leaflet\Model\IconModel;
-use Netzmacht\Contao\Toolkit\Boot\Event\InitializeSystemEvent;
-use Netzmacht\Contao\Toolkit\DependencyInjection\Services;
-use Netzmacht\LeafletPHP\Assets;
-use Netzmacht\LeafletPHP\Definition\Type\Icon;
-use Netzmacht\LeafletPHP\Definition\Type\ImageIcon;
-use Symfony\Component\EventDispatcher\EventSubscriberInterface;
-
-/**
- * Class BootSubscriber provides handlers for leaflet boot process.
- *
- * @package Netzmacht\Contao\Leaflet\Subscriber
- */
-class BootSubscriber implements EventSubscriberInterface
-{
-    /**
-     * Leaflet mapper configuration.
-     *
-     * @var array
-     */
-    private $mappers;
-
-    /**
-     * Leaflet encoder configuration.
-     *
-     * @var array
-     */
-    private $encoders;
-
-    /**
-     * Leaflet libraries configuration.
-     *
-     * @var array
-     */
-    private $libraries;
-
-    /**
-     * Assets manager.
-     *
-     * @var ContaoAssets
-     */
-    private $assets;
-
-    /**
-     * Definition mapper.
-     *
-     * @var DefinitionMapper
-     */
-    private $definitionMapper;
-
-    /**
-     * Flag for loading icon file.
-     *
-     * @var bool
-     */
-    private $loadIconFile = false;
-
-    /**
-     * BootSubscriber constructor.
-     *
-     * @param ContaoAssets $assets    Leaflet assets manager.
-     * @param array        $mappers   Leaflet mapper configuration.
-     * @param array        $encoders  Leaflet encoder configuration.
-     * @param array        $libraries Leaflet libraries configuration.
-     */
-    public function __construct(
-        ContaoAssets $assets,
-        array $mappers,
-        array $encoders,
-        array $libraries
-    ) {
-        $this->assets    = $assets;
-        $this->mappers   = $mappers;
-        $this->encoders  = $encoders;
-        $this->libraries = $libraries;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public static function getSubscribedEvents()
-    {
-        return array(
-            InitializeSystemEvent::NAME           => 'initializeInsertTagParser',
-            InitializeDefinitionMapperEvent::NAME => 'initializeDefinitionMapper',
-            InitializeEventDispatcherEvent::NAME  => 'initializeEventDispatcher',
-            InitializeLeafletBuilderEvent::NAME   => 'initializeLeafletBuilder',
-            GetJavascriptEvent::NAME              => array(array('loadIcons'), array('loadAssets')),
-        );
-    }
-
-    /**
-     * Initialize the leaflet insert tag parser.
-     *
-     * @param InitializeSystemEvent $event The event.
-     *
-     * @return void
-     */
-    public function initializeInsertTagParser(InitializeSystemEvent $event)
-    {
-        $container   = $event->getContainer();
-        $debugMode   = $container->get(Services::CONFIG)->get('debugMode');
-        $mapProvider = $container->get(LeafletServices::MAP_PROVIDER);
-        $parser      = new LeafletInsertTagParser($mapProvider, $debugMode);
-
-        $container->get(Services::INSERT_TAG_REPLACER)->registerParser($parser);
-    }
-
-    /**
-     * Create and register all configured mappers.
-     *
-     * @param InitializeDefinitionMapperEvent $event The subscribed event.
-     *
-     * @return void
-     */
-    public function initializeDefinitionMapper(InitializeDefinitionMapperEvent $event)
-    {
-        $mapper                 = $event->getDefinitionMapper();
-        $this->definitionMapper = $mapper;
-
-        foreach ($this->mappers as $className) {
-            if (is_array($className)) {
-                $mapper->register($this->createMapper($className[0]), $className[1]);
-            } else {
-                $mapper->register($this->createMapper($className));
-            }
-        }
-    }
-
-    /**
-     * Register all leaflet encoders.
-     *
-     * @param InitializeEventDispatcherEvent $event The subscribed event.
-     *
-     * @return void
-     */
-    public function initializeEventDispatcher(InitializeEventDispatcherEvent $event)
-    {
-        $dispatcher  = $event->getEventDispatcher();
-        $initializer = new EventDispatcherInitializer();
-
-        $initializer->addSubscribers($dispatcher, $this->encoders);
-    }
-
-    /**
-     * Register all libraries assets.
-     *
-     * @param InitializeLeafletBuilderEvent $event The subscribed event.
-     *
-     * @return void
-     */
-    public function initializeLeafletBuilder(InitializeLeafletBuilderEvent $event)
-    {
-        $builder = $event->getBuilder();
-
-        foreach ($this->libraries as $name => $assets) {
-            if (!empty($assets['css'])) {
-                list ($source, $type) = (array) $assets['css'];
-                $builder->registerStylesheet($name, $source, $type ?: Assets::TYPE_FILE);
-            }
-
-            if (!empty($assets['javascript'])) {
-                list ($source, $type) = (array) $assets['javascript'];
-                $builder->registerJavascript($name, $source, $type ?: Assets::TYPE_FILE);
-            }
-        }
-    }
-
-    /**
-     * Load Contao leaflet assets.
-     *
-     * @return void
-     */
-    public function loadAssets()
-    {
-        $this->assets->addJavascript('assets/leaflet/maps/contao-leaflet.js', ContaoAssets::TYPE_FILE);
-
-        if ($this->loadIconFile) {
-            $this->assets->addJavascript('assets/leaflet/js/icons.js', ContaoAssets::TYPE_FILE);
-        }
-    }
-
-    /**
-     * Load icons.
-     *
-     * @return void
-     */
-    public function loadIcons()
-    {
-        if (!$this->definitionMapper) {
-            return;
-        }
-
-        $collection = IconModel::findBy('active', true);
-
-        if ($collection) {
-            $buffer = '';
-            $icons  = array();
-
-            foreach ($collection as $model) {
-                /** @var ImageIcon $icon */
-                $icon    = $this->definitionMapper->handle($model);
-                $icons[] = array(
-                    'id'      => $icon->getId(),
-                    'type'    => lcfirst($icon->getType()),
-                    'options' => $icon->getOptions(),
-                );
-
-                $this->loadIconsLibraries($icon);
-            }
-
-            if ($icons) {
-                $buffer = sprintf('L.contao.loadIcons(%s);', json_encode($icons));
-            }
-
-            // @codingStandardsIgnoreStart
-            // TODO: Cache it.
-            // codingStandardsIgnoreEnd
-
-            $file = new \File('assets/leaflet/js/icons.js');
-            $file->write($buffer);
-            $file->close();
-
-            $this->loadIconFile = true;
-        }
-    }
-
-    /**
-     * Create a new mapper.
-     *
-     * @param mixed $mapper The mapper class or callable factory.
-     *
-     * @return Mapper
-     */
-    private function createMapper($mapper)
-    {
-        if (is_callable($mapper)) {
-            return $mapper();
-        }
-
-        return new $mapper;
-    }
-
-    /**
-     * Load all libraries for an icon.
-     *
-     * @param Icon $icon Icon definition
-     *
-     * @return void.
-     */
-    protected function loadIconsLibraries($icon)
-    {
-        foreach ($icon::getRequiredLibraries() as $library) {
-            if (!isset($this->libraries[$library])) {
-                continue;
-            }
-
-            $assets = $this->libraries[$library];
-
-            if (!empty($assets['css'])) {
-                list ($source, $type) = (array)$assets['css'];
-                $this->assets->addStylesheet($source, $type ?: Assets::TYPE_FILE);
-            }
-
-            if (!empty($assets['javascript'])) {
-                list ($source, $type) = (array)$assets['javascript'];
-                $this->assets->addJavascript($source, $type ?: Assets::TYPE_FILE);
-            }
-        }
-    }
-}