diff --git a/application/core/AutoLoader.php b/application/core/AutoLoader.php
index 0b7265fe..3baaeb32 100644
--- a/application/core/AutoLoader.php
+++ b/application/core/AutoLoader.php
@@ -22,7 +22,7 @@ class AutoLoader {
 	/**
 	 * Register the Class Aliases needed to keep compatibility
 	 */
-	private function registerClassAliases() {
+	private static function registerClassAliases() {
 		class_alias('ManiaControl\\Utils\\Formatter', 'ManiaControl\\Formatter');
 		class_alias('ManiaControl\\Utils\\ColorUtil', 'ManiaControl\\ColorUtil');
 	}
diff --git a/application/core/Files/FileUtil.php b/application/core/Files/FileUtil.php
index 29f18a50..5ca15caf 100644
--- a/application/core/Files/FileUtil.php
+++ b/application/core/Files/FileUtil.php
@@ -191,10 +191,10 @@ abstract class FileUtil {
 	/**
 	 * Delete old ManiaControl Log Files
 	 *
-	 * @param int $maxFileAgeInDays
+	 * @param float $maxFileAgeInDays
 	 * @return bool
 	 */
-	public static function deleteOldLogFiles($maxFileAgeInDays = 14) {
+	public static function deleteOldLogFiles($maxFileAgeInDays = 10.) {
 		$logsFolderPath = Logger::getLogsFolderPath();
 		if (!is_readable($logsFolderPath)) {
 			return false;
@@ -210,7 +210,7 @@ abstract class FileUtil {
 				continue;
 			}
 			$fileModTime   = filemtime($filePath);
-			$timeDeltaDays = ($time - $fileModTime) / (24 * 3600);
+			$timeDeltaDays = ($time - $fileModTime) / (24. * 3600.);
 			if ($timeDeltaDays > $maxFileAgeInDays) {
 				unlink($filePath);
 			}
diff --git a/application/core/Logger.php b/application/core/Logger.php
index d60c0413..f6d36ef1 100644
--- a/application/core/Logger.php
+++ b/application/core/Logger.php
@@ -2,8 +2,6 @@
 
 namespace ManiaControl;
 
-use ManiaControl\Files\FileUtil;
-
 /**
  * ManiaControl Logger Class
  *
@@ -18,13 +16,12 @@ class Logger {
 	 */
 	public static function setup() {
 		self::setupErrorLogFileName();
-		FileUtil::deleteOldLogFiles();
 	}
 
 	/**
 	 * Set the Error Log File Name
 	 */
-	private function setupErrorLogFileName() {
+	private static function setupErrorLogFileName() {
 		$logsFolder = self::createLogsFolder();
 		if ($logsFolder) {
 			$logFileName = $logsFolder . 'ManiaControl';