diff --git a/lib/assert.js b/lib/assert.js
index 4f6c46c9a7..0a8c19715e 100644
--- a/lib/assert.js
+++ b/lib/assert.js
@@ -23,7 +23,7 @@
 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 // UTILITY
-
+var inherits = require('./sys').inherits;
 var pSlice = Array.prototype.slice;
 
 // 1. The assert module provides functions that throw
@@ -47,7 +47,7 @@ assert.AssertionError = function AssertionError (options) {
     Error.captureStackTrace(this, stackStartFunction);
   }
 };
-process.inherits(assert.AssertionError, Error);
+inherits(assert.AssertionError, Error);
 
 assert.AssertionError.prototype.toString = function() {
   if (this.message) {
diff --git a/lib/http.js b/lib/http.js
index 5e514e4be7..d9eab022ee 100644
--- a/lib/http.js
+++ b/lib/http.js
@@ -1,4 +1,4 @@
-var sys = require('sys');
+var sys = require('./sys');
 var events = require('events');
 
 var CRLF = "\r\n";
diff --git a/lib/sys.js b/lib/sys.js
index 9c05342e48..4066ab917b 100644
--- a/lib/sys.js
+++ b/lib/sys.js
@@ -214,5 +214,12 @@ exports.exec = function (command, callback) {
  *     prototype
  * @param {function} superCtor Constructor function to inherit prototype from
  */
-exports.inherits = process.inherits;
+exports.inherits = function (ctor, superCtor) {
+  var tempCtor = function(){};
+  tempCtor.prototype = superCtor.prototype;
+  ctor.super_ = superCtor;
+  ctor.prototype = new tempCtor();
+  ctor.prototype.constructor = ctor;
+};
+
 
diff --git a/src/node.js b/src/node.js
index ceae632983..a1054206c8 100644
--- a/src/node.js
+++ b/src/node.js
@@ -27,6 +27,7 @@ GLOBAL.node = {};
 node.createProcess = removed("node.createProcess() has been changed to process.createChildProcess() update your code");
 node.exec = removed("process.exec() has moved. Use require('sys') to bring it back.");
 node.inherits = removed("node.inherits() has moved. Use require('sys') to access it.");
+process.inherits = removed("process.inherits() has moved to sys.inherits.");
 
 node.http = {};
 node.http.createServer = removed("node.http.createServer() has moved. Use require('http') to access it.");
@@ -72,15 +73,6 @@ function createInternalModule (id, constructor) {
 };
 
 
-process.inherits = function (ctor, superCtor) {
-  var tempCtor = function(){};
-  tempCtor.prototype = superCtor.prototype;
-  ctor.super_ = superCtor;
-  ctor.prototype = new tempCtor();
-  ctor.prototype.constructor = ctor;
-};
-
-
 process.createChildProcess = function (file, args, env) {
   var child = new process.ChildProcess();
   args = args || [];