diff --git a/lib/helpers.js b/lib/helpers.js
index ecc1d6c..6f651ed 100644
--- a/lib/helpers.js
+++ b/lib/helpers.js
@@ -156,41 +156,3 @@ helpers.__defineGetter__('Element', function() {
   }
   return helpers._element;
 });
-
-helpers.isTTY = function(stream) {
-  if (stream.isTTY) {
-    return true;
-  }
-  if (stream.fd != null) {
-    return require('tty').isatty(stream.fd);
-  }
-  return false;
-};
-
-helpers.hasRaw = function(stream, value) {
-  return !!stream.setRawMode
-    || (stream === process.stdin)
-    || !!(stream._handle && stream._handle.setRawMode && stream.readable);
-};
-
-helpers.setRawMode = function(stream, value) {
-  if (stream.setRawMode) {
-    return stream.setRawMode(value);
-  }
-  if (stream === process.stdin) {
-    stream._blessedRaw = value;
-    return require('tty').setRawMode(value);
-  }
-  if (stream._handle && stream._handle.setRawMode && stream.readable) {
-    stream._blessedRaw = value;
-    return stream._handle.setRawMode(value);
-  }
-  throw new Error('Could not set raw mode.');
-};
-
-helpers.isRaw = function(stream) {
-  if (stream.isRaw != null) {
-    return stream.isRaw;
-  }
-  return !!stream._blessedRaw;
-};