--- a/browser/branding/nightly/locales/en-US/brand.dtd
+++ b/browser/branding/nightly/locales/en-US/brand.dtd
@@ -1,9 +1,9 @@
 <!-- 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/. -->
 
 <!ENTITY  brandShorterName      "Nightly">
-<!ENTITY  brandShortName        "Firefox Nightly">
+<!ENTITY  brandShortName        "Nightly">
 <!ENTITY  brandFullName         "Firefox Nightly">
 <!ENTITY  vendorShortName       "Mozilla">
 <!ENTITY  trademarkInfo.part1   " ">

--- a/browser/branding/nightly/locales/en-US/brand.properties
+++ b/browser/branding/nightly/locales/en-US/brand.properties
@@ -1,10 +1,10 @@
 # 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/.
 
 brandShorterName=Nightly
-brandShortName=Firefox Nightly
+brandShortName=Nightly
 brandFullName=Firefox Nightly
 vendorShortName=Mozilla
 
 syncBrandShortName=Sync