diff --git a/AbuseFilter.class.php b/AbuseFilter.class.php
index c6f038caa..0011f4056 100644
--- a/AbuseFilter.class.php
+++ b/AbuseFilter.class.php
@@ -57,7 +57,6 @@ class AbuseFilter {
 			'length(string)' => 'length',
 			'lcase(string)' => 'lcase',
 			'ccnorm(string)' => 'ccnorm',
-			'convert("vairant", string)' => 'convert',
 			'rmdoubles(string)' => 'rmdoubles',
 			'specialratio(string)' => 'specialratio',
 			'norm(string)' => 'norm',
diff --git a/AbuseFilter.i18n.php b/AbuseFilter.i18n.php
index ccf473634..7800d2014 100644
--- a/AbuseFilter.i18n.php
+++ b/AbuseFilter.i18n.php
@@ -246,7 +246,6 @@ Please ask a user with permission to add restricted actions to make the change f
 	'abusefilter-edit-builder-funcs-length' => 'String length (length)',
 	'abusefilter-edit-builder-funcs-lcase' => 'To lower case (lcase)',
 	'abusefilter-edit-builder-funcs-ccnorm' => 'Normalise confusable characters (ccnorm)',
-	'abusefilter-edit-builder-funcs-convert' => 'Convert string to specified variant (convert)',
 	'abusefilter-edit-builder-funcs-rmdoubles' => 'Remove double-characters (rmdoubles)',
 	'abusefilter-edit-builder-funcs-specialratio' => 'Special characters / total characters (specialratio)',
 	'abusefilter-edit-builder-funcs-norm' => 'Normalise (norm)',
@@ -17712,7 +17711,6 @@ $messages['zh-hans'] = array(
 	'abusefilter-edit-builder-funcs-length' => '字符串长度（length）',
 	'abusefilter-edit-builder-funcs-lcase' => '字母小写化（lcase）',
 	'abusefilter-edit-builder-funcs-ccnorm' => '规范化易混淆字符（ccnorm）',
-	'abusefilter-edit-builder-funcs-convert' => '转换字符串到指定语言（convert）',
 	'abusefilter-edit-builder-funcs-rmdoubles' => '去除双字节字符（rmdoubles）',
 	'abusefilter-edit-builder-funcs-specialratio' => '特殊字符比（specialratio）',
 	'abusefilter-edit-builder-funcs-norm' => '规范化（norm）',
@@ -18073,14 +18071,13 @@ $messages['zh-hant'] = array(
 	'abusefilter-edit-builder-misc-cond' => '條件式(if X then Y else Z)',
 	'abusefilter-edit-builder-group-funcs' => '函數',
 	'abusefilter-edit-builder-funcs-length' => '字串長度（length）',
-	'abusefilter-edit-builder-funcs-lcase' => '改為小寫（lcase）',
-	'abusefilter-edit-builder-funcs-ccnorm' => '修正混淆字符（ccnorm）',
-	'abusefilter-edit-builder-funcs-convert' => '轉換字串到指定語言（convert）',
-	'abusefilter-edit-builder-funcs-rmdoubles' => '去除雙字元（rmdoubles）',
-	'abusefilter-edit-builder-funcs-specialratio' => '特殊字元數與整體字元數比（specialratio）',
+	'abusefilter-edit-builder-funcs-lcase' => '改為小寫(lcase)',
+	'abusefilter-edit-builder-funcs-ccnorm' => '修正混淆字符(ccnorm)',
+	'abusefilter-edit-builder-funcs-rmdoubles' => '去除雙字元(rmdoubles)',
+	'abusefilter-edit-builder-funcs-specialratio' => '特殊字元數與整體字元數比(specialratio)',
 	'abusefilter-edit-builder-funcs-norm' => '正常化（norm）',
-	'abusefilter-edit-builder-funcs-count' => '字串 X 在字串 Y 裡出現的次數（count）',
-	'abusefilter-edit-builder-funcs-rcount' => '正則表示式 X 出現在字串 Y 的次數（rcount）',
+	'abusefilter-edit-builder-funcs-count' => '字串 X 在字串 Y 裡出現的次數(count)',
+	'abusefilter-edit-builder-funcs-rcount' => '正則表示式 X 出現在字串 Y 的次數(rcount)',
 	'abusefilter-edit-builder-funcs-rmwhitespace' => '去除空白字元（rmwhitespace）',
 	'abusefilter-edit-builder-funcs-rmspecials' => '去除特殊字元（rmspecials）',
 	'abusefilter-edit-builder-funcs-ip_in_range' => 'IP是否在範圍內？（ip_in_range）',
diff --git a/AbuseFilter.parser.php b/AbuseFilter.parser.php
index 7ad35426b..c0f2679d9 100644
--- a/AbuseFilter.parser.php
+++ b/AbuseFilter.parser.php
@@ -365,7 +365,6 @@ class AbuseFilterParser {
 		'bool' => 'castBool',
 		'norm' => 'funcNorm',
 		'ccnorm' => 'funcCCNorm',
-		'convert' => 'funcConvert',
 		'specialratio' => 'funcSpecialRatio',
 		'rmspecials' => 'funcRMSpecials',
 		'rmdoubles' => 'funcRMDoubles',
@@ -1257,16 +1256,6 @@ class AbuseFilterParser {
 		return new AFPData( AFPData::DString, $wgContLang->lc( $s ) );
 	}
 	
-	protected function funcConvert( $args ) {
-		global $wgContLang;
-		if( count( $args ) < 2 )
-			throw new AFPUserVisibleException( 'notenoughargs', $this->mCur->pos,
-						array( 'lang_convert', 2, count($args) ) );
-		$v = $args[0]->toString();
-		$s = $args[1]->toString();
-		return new AFPData( AFPData::DString, $wgContLang->convert( $s, false, $v ) );
-	}
-	
 	protected function funcLen( $args ) {
 		if( count( $args ) < 1 )
 			throw new AFPUserVisibleException( 'notenoughargs', $this->mCur->pos,