diff --git a/browser/installer/removed-files.in b/browser/installer/removed-files.in
index 4e0a67d9093e..c13fa3e680f8 100644
--- a/browser/installer/removed-files.in
+++ b/browser/installer/removed-files.in
@@ -5,6 +5,8 @@ chrome/chrome.rdf
 chrome/installed-chrome.txt
 chrome/app-chrome.manifest
 chrome/overlayinfo/
+chrome/m3ffxtbr.manifest
+chrome/m3ffxtbr.jar
 defaults/pref/all.js
 defaults/pref/security-prefs.js
 defaults/pref/winpref.js