diff --git a/classes/context/Context.class.php b/classes/context/Context.class.php
index de4abc56d..cd2cca2b8 100644
--- a/classes/context/Context.class.php
+++ b/classes/context/Context.class.php
@@ -969,14 +969,11 @@ class Context
 	public static function convertEncoding($source_obj)
 	{
 		$charset_list = array(
-			'UTF-8', 'EUC-KR', 'CP949', 'ISO8859-1', 'EUC-JP', 'SHIFT_JIS', 'CP932',
-			'EUC-CN', 'HZ', 'GBK', 'GB18030', 'EUC-TW', 'BIG5', 'CP950', 'BIG5-HKSCS',
-			'ISO2022-CN', 'ISO2022-CN-EXT', 'ISO2022-JP', 'ISO2022-JP-2', 'ISO2022-JP-1',
-			'ISO8859-6', 'ISO8859-8', 'JOHAB', 'ISO2022-KR', 'CP1255', 'CP1256', 'CP862',
-			'ASCII', 'ISO8859-1', 'ISO8850-2', 'ISO8850-3', 'ISO8850-4', 'ISO8850-5',
-			'ISO8850-7', 'ISO8850-9', 'ISO8850-10', 'ISO8850-13', 'ISO8850-14',
-			'ISO8850-15', 'ISO8850-16', 'CP1250', 'CP1251', 'CP1252', 'CP1253', 'CP1254',
-			'CP1257', 'CP850', 'CP866',
+			'UTF-8', 'EUC-KR', 'CP949', 'ISO8859-1', 'EUC-JP', 'SHIFT_JIS',
+			'CP932', 'EUC-CN', 'HZ', 'GBK', 'GB18030', 'EUC-TW', 'BIG5',
+			'CP950', 'BIG5-HKSCS', 'ISO8859-6', 'ISO8859-8', 'JOHAB', 'CP1255',
+			'CP1256', 'CP862', 'ASCII', 'ISO8859-1', 'CP1250', 'CP1251',
+			'CP1252', 'CP1253', 'CP1254', 'CP1257', 'CP850', 'CP866'
 		);
 
 		$obj = clone $source_obj;