diff --git a/native/v8_extensions/native.js b/native/v8_extensions/native.js
index b19e92a45..fbd494bd5 100644
--- a/native/v8_extensions/native.js
+++ b/native/v8_extensions/native.js
@@ -25,9 +25,6 @@ var $native = {};
   native function remove(path);
   $native.remove = remove;
 
-  native function asyncList(path, recursive, callback);
-  $native.asyncList = asyncList;
-
   native function open(path);
   $native.open = open;
 
diff --git a/native/v8_extensions/native.mm b/native/v8_extensions/native.mm
index af647f78f..90e64e353 100644
--- a/native/v8_extensions/native.mm
+++ b/native/v8_extensions/native.mm
@@ -159,9 +159,6 @@ bool Native::Execute(const CefString& name,
 
     return true;
   }
-  else if (name == "asyncList") {
-    return false;
-  }
   else if (name == "writeToPasteboard") {
     NSString *text = stringFromCefV8Value(arguments[0]);
 
diff --git a/spec/stdlib/fs-spec.coffee b/spec/stdlib/fs-spec.coffee
index f5abc6c38..30bd57e25 100644
--- a/spec/stdlib/fs-spec.coffee
+++ b/spec/stdlib/fs-spec.coffee
@@ -96,20 +96,3 @@ describe "fs", ->
   describe ".md5ForPath(path)", ->
     it "returns the MD5 hash of the file at the given path", ->
       expect(fs.md5ForPath(require.resolve('fixtures/sample.js'))).toBe 'dd38087d0d7e3e4802a6d3f9b9745f2b'
-
-  describe ".async", ->
-    directoryPath = null
-    beforeEach ->
-      directoryPath = require.resolve 'fixtures/dir'
-
-    describe ".listTree(directoryPath)", ->
-      it "returns a promise that resolves to the recursive contents of that directory", ->
-        waitsForPromise ->
-          fs.async.listTree(directoryPath).done (result) ->
-            expect(result).toEqual fs.listTree(directoryPath)
-
-    describe ".list(directoryPath)", ->
-      it "returns a promise that resolves to the contents of that directory", ->
-        waitsForPromise ->
-          fs.async.list(directoryPath).done (result) ->
-            expect(result).toEqual fs.list(directoryPath)
diff --git a/src/stdlib/fs.coffee b/src/stdlib/fs.coffee
index bd0a86293..839d6f0a1 100644
--- a/src/stdlib/fs.coffee
+++ b/src/stdlib/fs.coffee
@@ -116,16 +116,3 @@ module.exports =
 
   md5ForPath: (path) ->
     $native.md5ForPath(path)
-
-  async:
-    list: (path) ->
-      deferred = $.Deferred()
-      $native.asyncList path, false, (subpaths) ->
-        deferred.resolve subpaths
-      deferred
-
-    listTree: (path) ->
-      deferred = $.Deferred()
-      $native.asyncList path, true, (subpaths) ->
-        deferred.resolve subpaths
-      deferred