diff --git a/index.js b/index.js
index e36a5a7..6d61388 100644
--- a/index.js
+++ b/index.js
@@ -353,7 +353,6 @@ Buffer.isEncoding = function isEncoding (encoding) {
     case 'ascii':
     case 'binary':
     case 'base64':
-    case 'raw':
     case 'ucs2':
     case 'ucs-2':
     case 'utf16le':
@@ -415,8 +414,6 @@ function byteLength (string, encoding) {
     switch (encoding) {
       case 'ascii':
       case 'binary':
-      case 'raw':
-      case 'raws':
         return len
       case 'utf8':
       case 'utf-8':