diff --git a/framework/yii/helpers/BaseInflector.php b/framework/yii/helpers/BaseInflector.php
index 2f4f01b..cb6a1dc 100644
--- a/framework/yii/helpers/BaseInflector.php
+++ b/framework/yii/helpers/BaseInflector.php
@@ -215,61 +215,6 @@ class BaseInflector
 		'wildebeest' => 'wildebeest',
 		'Yengeese' => 'Yengeese',
 	];
-	/**
-	 * @var array map of special chars and its translation. This is used by [[slug()]].
-	 */
-	public static $transliteration = [
-		'/ä|æ|ǽ/' => 'ae',
-		'/ö|œ/' => 'oe',
-		'/ü/' => 'ue',
-		'/Ä/' => 'Ae',
-		'/Ü/' => 'Ue',
-		'/Ö/' => 'Oe',
-		'/À|Á|Â|Ã|Å|Ǻ|Ā|Ă|Ą|Ǎ/' => 'A',
-		'/à|á|â|ã|å|ǻ|ā|ă|ą|ǎ|ª/' => 'a',
-		'/Ç|Ć|Ĉ|Ċ|Č/' => 'C',
-		'/ç|ć|ĉ|ċ|č/' => 'c',
-		'/Ð|Ď|Đ/' => 'D',
-		'/ð|ď|đ/' => 'd',
-		'/È|É|Ê|Ë|Ē|Ĕ|Ė|Ę|Ě/' => 'E',
-		'/è|é|ê|ë|ē|ĕ|ė|ę|ě/' => 'e',
-		'/Ĝ|Ğ|Ġ|Ģ/' => 'G',
-		'/ĝ|ğ|ġ|ģ/' => 'g',
-		'/Ĥ|Ħ/' => 'H',
-		'/ĥ|ħ/' => 'h',
-		'/Ì|Í|Î|Ï|Ĩ|Ī|Ĭ|Ǐ|Į|İ/' => 'I',
-		'/ì|í|î|ï|ĩ|ī|ĭ|ǐ|į|ı/' => 'i',
-		'/Ĵ/' => 'J',
-		'/ĵ/' => 'j',
-		'/Ķ/' => 'K',
-		'/ķ/' => 'k',
-		'/Ĺ|Ļ|Ľ|Ŀ|Ł/' => 'L',
-		'/ĺ|ļ|ľ|ŀ|ł/' => 'l',
-		'/Ñ|Ń|Ņ|Ň/' => 'N',
-		'/ñ|ń|ņ|ň|ʼn/' => 'n',
-		'/Ò|Ó|Ô|Õ|Ō|Ŏ|Ǒ|Ő|Ơ|Ø|Ǿ/' => 'O',
-		'/ò|ó|ô|õ|ō|ŏ|ǒ|ő|ơ|ø|ǿ|º/' => 'o',
-		'/Ŕ|Ŗ|Ř/' => 'R',
-		'/ŕ|ŗ|ř/' => 'r',
-		'/Ś|Ŝ|Ş|Ș|Š/' => 'S',
-		'/ś|ŝ|ş|ș|š|ſ/' => 's',
-		'/Ţ|Ț|Ť|Ŧ/' => 'T',
-		'/ţ|ț|ť|ŧ/' => 't',
-		'/Ù|Ú|Û|Ũ|Ū|Ŭ|Ů|Ű|Ų|Ư|Ǔ|Ǖ|Ǘ|Ǚ|Ǜ/' => 'U',
-		'/ù|ú|û|ũ|ū|ŭ|ů|ű|ų|ư|ǔ|ǖ|ǘ|ǚ|ǜ/' => 'u',
-		'/Ý|Ÿ|Ŷ/' => 'Y',
-		'/ý|ÿ|ŷ/' => 'y',
-		'/Ŵ/' => 'W',
-		'/ŵ/' => 'w',
-		'/Ź|Ż|Ž/' => 'Z',
-		'/ź|ż|ž/' => 'z',
-		'/Æ|Ǽ/' => 'AE',
-		'/ß/' => 'ss',
-		'/IJ/' => 'IJ',
-		'/ij/' => 'ij',
-		'/Œ/' => 'OE',
-		'/ƒ/' => 'f'
-	];
 
 	/**
 	 * Converts a word to its plural form.
@@ -434,20 +379,20 @@ class BaseInflector
 	/**
 	 * Returns a string with all spaces converted to given replacement and
 	 * non word characters removed.  Maps special characters to ASCII using
-	 * `Inflector::$transliteration`
+	 * [[TransliteratorHelper::process()]]
 	 * @param string $string An arbitrary string to convert
 	 * @param string $replacement The replacement to use for spaces
 	 * @return string The converted string.
 	 */
 	public static function slug($string, $replacement = '-')
 	{
-		$map = static::$transliteration + [
-				'/[^\w\s]/' => ' ',
-				'/\\s+/' => $replacement,
-				'/(?<=[a-z])([A-Z])/' => $replacement . '\\1',
-				str_replace(':rep', preg_quote($replacement, '/'), '/^[:rep]+|[:rep]+$/') => ''
-			];
-		return preg_replace(array_keys($map), array_values($map), $string);
+		$map = array(
+			'/[^\w\s]/' => ' ',
+			'/\\s+/' => $replacement,
+			'/(?<=[a-z])([A-Z])/' => $replacement . '\\1',
+			str_replace(':rep', preg_quote($replacement, '/'), '/^[:rep]+|[:rep]+$/') => ''
+		);
+		return preg_replace(array_keys($map), array_values($map), TransliteratorHelper::process($string, '', 'en'));
 	}
 
 	/**