diff --git a/midp/gfx.js b/midp/gfx.js
index 01f6abc6..2d444338 100644
--- a/midp/gfx.js
+++ b/midp/gfx.js
@@ -437,10 +437,9 @@ var currentlyFocusedTextEditor;
         return fontContext.measureText(String.fromCharCode(char)).width | 0;
     };
 
-    Native["javax/microedition/lcdui/Font.charsWidth.([CII)I"] = function(addr, strAddr, offset, len) {
-        var str = J2ME.getArrayFromAddr(strAddr);
+    Native["javax/microedition/lcdui/Font.charsWidth.([CII)I"] = function(addr, charsAddr, offset, len) {
         var fontContext = NativeMap.get(addr);
-        return calcStringWidth(fontContext, util.fromJavaChars(str).slice(offset, offset + len));
+        return calcStringWidth(fontContext, J2ME.fromJavaChars(charsAddr).slice(offset, offset + len));
     };
 
     Native["javax/microedition/lcdui/Font.substringWidth.(Ljava/lang/String;II)I"] = function(addr, strAddr, offset, len) {
@@ -1029,8 +1028,7 @@ var currentlyFocusedTextEditor;
 
     Native["javax/microedition/lcdui/Graphics.drawChars.([CIIIII)V"] =
     function(addr, dataAddr, offset, len, x, y, anchor) {
-        var data = J2ME.getArrayFromAddr(dataAddr);
-        drawString(NativeMap.get(addr), util.fromJavaChars(data, offset, len), x, y, anchor);
+        drawString(NativeMap.get(addr), J2ME.fromJavaChars(dataAddr, offset, len), x, y, anchor);
     };
 
     Native["javax/microedition/lcdui/Graphics.drawChar.(CIII)V"] = function(addr, jChr, x, y, anchor) {
diff --git a/tools/lib.d.ts b/tools/lib.d.ts
index 2cf1fe1a..1e297073 100644
--- a/tools/lib.d.ts
+++ b/tools/lib.d.ts
@@ -12196,6 +12196,14 @@ declare var TextEncoder: {
     new (encoding: string): TextEncoder;
 }
 
+interface TextDecoder {
+    decode(data: Uint8Array): string;
+}
+declare var TextDecoder: {
+    prototype: TextDecoder;
+    new (encoding: string): TextDecoder;
+}
+
 interface HTMLObjectElement {
     /**
       * Gets or sets the path to the preferred media source. This enables the Play To target device to stream the media content, which can be DRM protected, from a different location, such as a cloud media server.
diff --git a/util.js b/util.js
index 752dbc51..0b8033ca 100644
--- a/util.js
+++ b/util.js
@@ -47,19 +47,6 @@ var util = (function () {
     return Long.fromNumber(d);
   }
 
-  var jStringDecoder = new TextDecoder('utf-16');
-
-  function fromJavaChars(chars, offset, count) {
-    if (!chars) {
-      return null;
-    }
-    if (typeof count !== 'number')
-      count = chars.length;
-    if (typeof offset !== 'number')
-      offset = 0;
-    return jStringDecoder.decode(chars.subarray(offset, offset + count));
-  }
-
   var id = (function() {
     var gen = 0;
     return function() {
@@ -151,7 +138,6 @@ var util = (function () {
     decodeUtf8Array: decodeUtf8Array,
     double2int: double2int,
     double2long: double2long,
-    fromJavaChars: fromJavaChars,
     id: id,
     compareTypedArrays: compareTypedArrays,
     pad: pad,