diff --git a/lib/program.js b/lib/program.js
index af800f4..3a657c2 100644
--- a/lib/program.js
+++ b/lib/program.js
@@ -16,7 +16,6 @@ var EventEmitter = require('events').EventEmitter
 
 var Tput = require('./tput')
   , colors = require('./colors')
-  , helpers = require('./helpers')
   , slice = Array.prototype.slice;
 
 var nextTick = global.setImmediate || process.nextTick.bind(process);
@@ -325,8 +324,8 @@ Program.prototype.listen = function() {
   this.on('newListener', this._newHandler = function fn(type) {
     if (type === 'keypress' || type === 'mouse') {
       self.removeListener('newListener', fn);
-      if (helpers.hasRaw(self.input) && !helpers.isRaw(self.input)) {
-        helpers.setRawMode(self.input, true);
+      if (self.input.setRawMode && !self.input.isRaw) {
+        self.input.setRawMode(true);
         self.input.resume();
       }
     }
@@ -402,7 +401,7 @@ Program.prototype._listenInput = function() {
 Program.prototype._listenOutput = function() {
   var self = this;
 
-  if (!helpers.isTTY(this.output)) {
+  if (!this.output.isTTY) {
     nextTick(function() {
       self.emit('warning', 'Output is not a TTY');
     });
@@ -464,9 +463,9 @@ Program.prototype.destroy = function() {
       delete this.input._keypressHandler;
       delete this.input._dataHandler;
 
-      if (helpers.hasRaw(this.input)) {
-        if (helpers.isRaw(this.input)) {
-          helpers.setRawMode(this.input, false);
+      if (this.input.setRawMode) {
+        if (this.input.isRaw) {
+          this.input.setRawMode(false);
         }
         if (!this.input.destroyed) {
           this.input.pause();
@@ -4178,16 +4177,16 @@ Program.prototype.pause = function(callback) {
 
   var write = this.output.write;
   this.output.write = function() {};
-  if (helpers.hasRaw(this.input)) {
-    helpers.setRawMode(this.input, false);
+  if (this.input.setRawMode) {
+    this.input.setRawMode(false);
   }
   this.input.pause();
 
   return this._resume = function() {
     delete self._resume;
 
-    if (helpers.hasRaw(self.input)) {
-      helpers.setRawMode(self.input, true);
+    if (self.input.setRawMode) {
+      self.input.setRawMode(true);
     }
     self.input.resume();
     self.output.write = write;
diff --git a/lib/widgets/screen.js b/lib/widgets/screen.js
index 45a570f..03c1814 100644
--- a/lib/widgets/screen.js
+++ b/lib/widgets/screen.js
@@ -1722,16 +1722,16 @@ Screen.prototype.spawn = function(file, args, options) {
   var write = program.output.write;
   program.output.write = function() {};
   program.input.pause();
-  if (helpers.hasRaw(program.input)) {
-    helpers.setRawMode(program.input, false);
+  if (program.input.setRawMode) {
+    program.input.setRawMode(false);
   }
 
   var resume = function() {
     if (resume.done) return;
     resume.done = true;
 
-    if (helpers.hasRaw(program.input)) {
-      helpers.setRawMode(program.input, true);
+    if (program.input.setRawMode) {
+      program.input.setRawMode(true);
     }
     program.input.resume();
     program.output.write = write;
diff --git a/package.json b/package.json
index ef3b3d4..497c0fb 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "keywords": ["curses", "tui", "tput", "terminfo", "termcap"],
   "tags": ["curses", "tui", "tput", "terminfo", "termcap"],
   "engines": {
-    "node": ">= 0.6.0"
+    "node": ">= 0.8.0"
   },
   "browserify": {
     "transform": ["./browser/transform.js"]