diff --git a/b2g/installer/package-manifest.in b/b2g/installer/package-manifest.in
index 7a39d31c7f1..0c3ea0fa4d6 100644
--- a/b2g/installer/package-manifest.in
+++ b/b2g/installer/package-manifest.in
@@ -784,10 +784,6 @@ bin/components/@DLL_PREFIX@nkgnomevfs@DLL_SUFFIX@
 @BINPATH@/components/HelperAppDialog.js
 @BINPATH@/components/DownloadsUI.js
 
-#ifndef MOZ_WIDGET_GONK
-@BINPATH@/components/SimulatorScreen.js
-#endif
-
 #ifdef MOZ_SERVICES_FXACCOUNTS
 @BINPATH@/components/FxAccountsUIGlue.js
 @BINPATH@/components/services_fxaccounts.xpt
diff --git a/b2g/simulator/lib/main.js b/b2g/simulator/lib/main.js
index ea5f06e73fe..e27124f3b31 100644
--- a/b2g/simulator/lib/main.js
+++ b/b2g/simulator/lib/main.js
@@ -6,7 +6,7 @@
 const { Cc, Ci, Cu } = require("chrome");
 
 const { SimulatorProcess } = require("./simulator-process");
-const { Promise: promise } = Cu.import("resource://gre/modules/Promise.jsm", {});
+const { Promise } = Cu.import("resource://gre/modules/Promise.jsm", {});
 const Self = require("sdk/self");
 const System = require("sdk/system");
 const { Simulator } = Cu.import("resource://gre/modules/devtools/Simulator.jsm");
@@ -23,12 +23,12 @@ function launch({ port }) {
   process.remoteDebuggerPort = port;
   process.run();
 
-  return promise.resolve();
+  return Promise.resolve();
 }
 
 function close() {
   if (!process) {
-    return promise.resolve();
+    return Promise.resolve();
   }
   let p = process;
   process = null;
diff --git a/b2g/simulator/lib/simulator-process.js b/b2g/simulator/lib/simulator-process.js
index 070eefd593f..1836c56ab08 100644
--- a/b2g/simulator/lib/simulator-process.js
+++ b/b2g/simulator/lib/simulator-process.js
@@ -17,7 +17,7 @@ const Runtime = require("sdk/system/runtime");
 const Self = require("sdk/self");
 const URL = require("sdk/url");
 const Subprocess = require("subprocess");
-const { Promise: promise } = Cu.import("resource://gre/modules/Promise.jsm", {});
+const { Promise } = Cu.import("resource://gre/modules/Promise.jsm", {});
 
 const { rootURI: ROOT_URI } = require('@loader/options');
 const PROFILE_URL = ROOT_URI + "profile/";
@@ -112,7 +112,7 @@ exports.SimulatorProcess = Class({
 
   // request a b2g instance kill
   kill: function() {
-    let deferred = promise.defer();
+    let deferred = Promise.defer();
     if (this.process) {
       this.once("exit", (exitCode) => {
         this.shuttingDown = false;
@@ -125,7 +125,7 @@ exports.SimulatorProcess = Class({
       }
       return deferred.promise;
     } else {
-      return promise.resolve(undefined);
+      return Promise.resolve(undefined);
     }
   },