--- a/browser/installer/allowed-dupes.mn
+++ b/browser/installer/allowed-dupes.mn
@@ -84,32 +84,16 @@ browser/chrome/browser/skin/classic/brow
 browser/chrome/browser/skin/classic/browser/newtab/close.png
 # devtools reduction is bug 1311178
 browser/features/devtools@mozilla.org/chrome/skin/images/security-state-broken.svg
 browser/features/devtools@mozilla.org/chrome/skin/images/security-state-secure.svg
 browser/features/devtools@mozilla.org/chrome/skin/toolbars.css
 browser/features/devtools@mozilla.org/chrome/modules/client/themes/toolbars.css
 modules/devtools/Loader.jsm
 modules/devtools/shared/Loader.jsm
-browser/chrome/en-US/locale/en-US/devtools/shared/shared.properties
-chrome/en-US/locale/en-US/devtools/shared/shared.properties
-browser/chrome/en-US/locale/en-US/devtools/shared/eyedropper.properties
-chrome/en-US/locale/en-US/devtools/shared/eyedropper.properties
-browser/chrome/en-US/locale/en-US/devtools/shared/csscoverage.properties
-chrome/en-US/locale/en-US/devtools/shared/csscoverage.properties
-browser/chrome/en-US/locale/en-US/devtools/shared/csscoverage.dtd
-chrome/en-US/locale/en-US/devtools/shared/csscoverage.dtd
-browser/chrome/en-US/locale/en-US/devtools/shared/debugger.properties
-chrome/en-US/locale/en-US/devtools/shared/debugger.properties
-browser/chrome/en-US/locale/en-US/devtools/shared/styleinspector.properties
-chrome/en-US/locale/en-US/devtools/shared/styleinspector.properties
-browser/chrome/en-US/locale/en-US/devtools/shared/gcli.properties
-chrome/en-US/locale/en-US/devtools/shared/gcli.properties
-browser/chrome/en-US/locale/en-US/devtools/shared/gclicommands.properties
-chrome/en-US/locale/en-US/devtools/shared/gclicommands.properties
 
 browser/chrome/icons/default/default16.png
 browser/chrome/icons/default/default32.png
 browser/chrome/icons/default/default48.png
 browser/chrome/pdfjs/content/web/images/findbarButton-next-rtl.png
 browser/chrome/pdfjs/content/web/images/findbarButton-next-rtl@2x.png
 browser/chrome/pdfjs/content/web/images/findbarButton-next.png
 browser/chrome/pdfjs/content/web/images/findbarButton-next@2x.png