diff --git a/caches/FileCache.php b/caches/FileCache.php
index a8ab88d7..eaf16f23 100644
--- a/caches/FileCache.php
+++ b/caches/FileCache.php
@@ -14,8 +14,6 @@ class FileCache extends CacheAbstract {
 	public function saveData($datas){
 		$this->isPrepareCache();
 
-		//Re-encode datas to UTF-8
-		//$datas = Cache::utf8_encode_deep($datas);
 		$writeStream = file_put_contents($this->getCacheFile(), serialize($datas));
 
 		if(!$writeStream) {
diff --git a/lib/Cache.php b/lib/Cache.php
index a1649a0b..192cb3bf 100644
--- a/lib/Cache.php
+++ b/lib/Cache.php
@@ -51,26 +51,6 @@ class Cache {
 		return preg_match('@^[A-Z][a-zA-Z0-9-]*$@', $nameCache);
 	}
 
-
-	static public function utf8_encode_deep(&$input){
-		if (is_string($input)){
-			$input = utf8_encode($input);
-		} elseif(is_array($input)){
-			foreach($input as &$value){
-				Cache::utf8_encode_deep($value);
-			}
-
-			unset($value);
-		} elseif(is_object($input)){
-			$vars = array_keys(get_object_vars($input));
-
-			foreach($vars as $var){
-				Cache::utf8_encode_deep($input->$var);
-			}
-		}
-	}
-
-
 	static public function purge(){
 		$cacheTimeLimit = time() - 86400; // 86400 -> 24h
 		$cachePath = 'cache';