diff --git a/mozilla/xpinstall/packager/os2/browser.jst b/mozilla/xpinstall/packager/os2/browser.jst
index d9699579042..a644b461bf4 100644
--- a/mozilla/xpinstall/packager/os2/browser.jst
+++ b/mozilla/xpinstall/packager/os2/browser.jst
@@ -34,6 +34,7 @@ function upgradeCleanup()
   deleteThisFile("Chrome",     "chrome.rdf");
   deleteThisFolder("Chrome",   "overlayinfo");
   deleteThisFile("Components", "gkhtml.dll");
+  deleteThisFile("Components", "regviewr.dll");
 }
 
 // main