diff --git a/.travis.yml b/.travis.yml
index 42f983f..00c1311 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,5 +7,9 @@ before_install:
   - phpenv rehash
 before_script:
   - git clone --branch=master --depth=1 --quiet git://github.com/WoltLab/WCF.git WCF
+  - rm WCF/CodeSniff/WCF/Sniffs/Namespaces/ClassMustBeImportedSniff.php
+  - rm WCF/CodeSniff/WCF/Sniffs/Namespaces/UseDeclarationSniff.php
+  - sed -i 's/<rule ref="WCF.Namespaces.ClassMustBeImported" />//' WCF/CodeSniff/WCF/ruleset.xml
+  - sed -i 's/<rule ref="WCF.Namespaces.UseDeclaration" />//' WCF/CodeSniff/WCF/ruleset.xml
 script:
   - phpcs -p --extensions=php --standard="`pwd`/WCF/CodeSniff/WCF" file
diff --git a/file/lib/page/ChatPage.class.php b/file/lib/page/ChatPage.class.php
index 0e52689..571f646 100644
--- a/file/lib/page/ChatPage.class.php
+++ b/file/lib/page/ChatPage.class.php
@@ -117,17 +117,7 @@ public function assignVariables() {
 	 * Reads chat-version. Used to avoid caching of JS-File when Tims Chat is updated.
 	 */
 	public function readChatVersion() {
-		CacheHandler::getInstance()->addResource(
-			'packages',
-			WCF_DIR.'cache/cache.packages.php',
-			'wcf\system\cache\builder\PackageCacheBuilder'
-		);
-		$packages = CacheHandler::getInstance()->get('packages');
-		foreach ($packages as $package) {
-			if ($package->package != \wcf\util\ChatUtil::PACKAGE_IDENTIFIER) continue;
-			$this->chatVersion = $package->packageVersion;
-			return;
-		}
+		return $this->chatVersion = \wcf\data\package\PackageCache::getInstance()->getPackage(\wcf\util\ChatUtil::getPackageID())->packageVersion;
 	}
 	
 	/**
diff --git a/file/lib/system/cache/builder/ChatPermissionCacheBuilder.class.php b/file/lib/system/cache/builder/ChatPermissionCacheBuilder.class.php
index 22234dd..dce4ffb 100644
--- a/file/lib/system/cache/builder/ChatPermissionCacheBuilder.class.php
+++ b/file/lib/system/cache/builder/ChatPermissionCacheBuilder.class.php
@@ -22,7 +22,6 @@ public function getData(array $cacheResource) {
 		
 		if (count($groupIDs)) {
 			$conditionBuilder = new \wcf\system\database\util\PreparedStatementConditionBuilder();
-			$conditionBuilder->add('acl_option.packageID IN (?)', array(\wcf\system\package\PackageDependencyHandler::getInstance()->getDependencies()));
 			$conditionBuilder->add('acl_option.objectTypeID = ?', array(\wcf\system\acl\ACLHandler::getInstance()->getObjectTypeID('be.bastelstu.wcf.chat.room')));
 			$conditionBuilder->add('option_to_group.optionID = acl_option.optionID');
 			$conditionBuilder->add('option_to_group.groupID IN (?)', array($groupIDs));
diff --git a/file/lib/system/chat/permission/ChatPermissionHandler.class.php b/file/lib/system/chat/permission/ChatPermissionHandler.class.php
index bc32e21..62b1eea 100644
--- a/file/lib/system/chat/permission/ChatPermissionHandler.class.php
+++ b/file/lib/system/chat/permission/ChatPermissionHandler.class.php
@@ -53,7 +53,6 @@ public function __construct(\wcf\data\user\User $user = null) {
 				$userPermissions = array();
 				
 				$conditionBuilder = new \wcf\system\database\util\PreparedStatementConditionBuilder();
-				$conditionBuilder->add('acl_option.packageID IN (?)', array(PackageDependencyHandler::getInstance()->getDependencies()));
 				$conditionBuilder->add('acl_option.objectTypeID = ?', array(ACLHandler::getInstance()->getObjectTypeID('be.bastelstu.wcf.chat.room')));
 				$conditionBuilder->add('option_to_user.optionID = acl_option.optionID');
 				$conditionBuilder->add('option_to_user.userID = ?', array($user->userID));
diff --git a/file/lib/util/ChatUtil.class.php b/file/lib/util/ChatUtil.class.php
index f30ac25..d125b14 100644
--- a/file/lib/util/ChatUtil.class.php
+++ b/file/lib/util/ChatUtil.class.php
@@ -1,7 +1,7 @@
 <?php
 namespace wcf\util;
+use \wcf\data\package\PackageCache;
 use \wcf\system\user\storage\UserStorageHandler;
-use \wcf\system\package\PackageDependencyHandler;
 use \wcf\system\WCF;
 
 /**
@@ -87,7 +87,7 @@ public static function getDiedUsers() {
 	 */
 	public static function getPackageID() {
 		if (self::$packageID === null) {
-			self::$packageID = PackageDependencyHandler::getInstance()->getPackageID(self::PACKAGE_IDENTIFIER);
+			self::$packageID = PackageCache::getInstance()->getPackageID(self::PACKAGE_IDENTIFIER);
 		}
 		
 		return self::$packageID;
diff --git a/template/chat.tpl b/template/chat.tpl
index 0ba448b..3398e6f 100644
--- a/template/chat.tpl
+++ b/template/chat.tpl
@@ -147,7 +147,7 @@
 				'wcf.chat.notify.title': '{lang}wcf.chat.notify.title{/lang}'
 			});
 			WCF.Icon.addObject({
-				'be.bastelstu.wcf.chat.chat': '{icon size='L'}chat{/icon}'
+				'be.bastelstu.wcf.chat.chat': '{icon}chat{/icon}'
 			});
 			{event name='shouldInit'}
 			// Boot the chat