diff -Nur mozilla-release.orig/browser/app/profile/firefox.js mozilla-release/browser/app/profile/firefox.js
--- mozilla-release.orig/browser/app/profile/firefox.js	2014-11-26 00:17:06.000000000 -0200
+++ mozilla-release/browser/app/profile/firefox.js	2014-12-19 13:30:18.447609374 -0200
@@ -1303,12 +1303,14 @@
 pref("devtools.commands.dir", "");
 
 // Enable the app manager
-pref("devtools.appmanager.enabled", true);
-pref("devtools.appmanager.lastTab", "help");
-pref("devtools.appmanager.manifestEditor.enabled", true);
+// Note: to enable appmanager is necessary to use a 100% free "Firefox OS" distribution.
+pref("devtools.appmanager.enabled", false);
+pref("devtools.appmanager.lastTab", "");
+pref("devtools.appmanager.manifestEditor.enabled", false);
 
 // Enable DevTools WebIDE by default
-pref("devtools.webide.enabled", true);
+// Note: to enable webide is necessary to use a 100% free "Firefox OS" distribution and ADBHelper Parabola package.
+pref("devtools.webide.enabled", false);
 
 // Toolbox preferences
 pref("devtools.toolbox.footer.height", 250);
diff -Nur mozilla-release.orig/browser/devtools/webide/webide-prefs.js mozilla-release/browser/devtools/webide/webide-prefs.js
--- mozilla-release.orig/browser/devtools/webide/webide-prefs.js	2014-11-26 00:17:07.000000000 -0200
+++ mozilla-release/browser/devtools/webide/webide-prefs.js	2014-12-19 13:30:28.444671229 -0200
@@ -2,16 +2,17 @@
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
+# Note: to enable webide is necessary to use a 100% free "Firefox OS" distribution and ADBHelper Parabola package.
 
-pref("devtools.webide.showProjectEditor", true);
-pref("devtools.webide.templatesURL", "https://code.cdn.mozilla.net/templates/list.json");
-pref("devtools.webide.autoinstallADBHelper", true);
+pref("devtools.webide.showProjectEditor", false);
+pref("devtools.webide.templatesURL", "");
+pref("devtools.webide.autoinstallADBHelper", false);
 pref("devtools.webide.lastprojectlocation", "");
-pref("devtools.webide.restoreLastProject", true);
+pref("devtools.webide.restoreLastProject", false);
 pref("devtools.webide.enableLocalRuntime", false);
-pref("devtools.webide.addonsURL", "https://ftp.mozilla.org/pub/mozilla.org/labs/fxos-simulator/index.json");
-pref("devtools.webide.simulatorAddonsURL", "https://ftp.mozilla.org/pub/mozilla.org/labs/fxos-simulator/#VERSION#/#OS#/fxos_#SLASHED_VERSION#_simulator-#OS#-latest.xpi");
-pref("devtools.webide.simulatorAddonID", "fxos_#SLASHED_VERSION#_simulator@mozilla.org");
-pref("devtools.webide.adbAddonURL", "https://ftp.mozilla.org/pub/mozilla.org/labs/fxos-simulator/adb-helper/#OS#/adbhelper-#OS#-latest.xpi");
-pref("devtools.webide.adbAddonID", "adbhelper@mozilla.org");
-pref("devtools.webide.monitorWebSocketURL", "ws://localhost:9000");
+pref("devtools.webide.addonsURL", "");
+pref("devtools.webide.simulatorAddonsURL", "");
+pref("devtools.webide.simulatorAddonID", "");
+pref("devtools.webide.adbAddonURL", "");
+pref("devtools.webide.adbAddonID", "");
+pref("devtools.webide.monitorWebSocketURL", "");