--- a/b2g/installer/removed-files.in
+++ b/b2g/installer/removed-files.in
@@ -38,8 +38,11 @@
 @DIR_MACOS@@DLL_PREFIX@plds4@DLL_SUFFIX@
 @DIR_MACOS@@DLL_PREFIX@plc4@DLL_SUFFIX@
 @DIR_MACOS@@DLL_PREFIX@ssl3@DLL_SUFFIX@
 @DIR_MACOS@@DLL_PREFIX@smime3@DLL_SUFFIX@
 @DIR_MACOS@@DLL_PREFIX@nssutil3@DLL_SUFFIX@
 @DIR_MACOS@@DLL_PREFIX@mozsqlite3@DLL_SUFFIX@
 #endif
 @DIR_MACOS@@DLL_PREFIX@xpcom@DLL_SUFFIX@
+#ifdef XP_WIN
+  mozjs.dll
+#endif

--- a/browser/installer/removed-files.in
+++ b/browser/installer/removed-files.in
@@ -119,8 +119,11 @@
 #ifdef XP_MACOSX
   @DIR_MACOS@plugins/Default Plugin.plugin/*
   @DIR_MACOS@plugins/JavaEmbeddingPlugin.bundle/*
   @DIR_MACOS@plugins/MRJPlugin.plugin/*
   Contents/Plug-Ins/PrintPDE.plugin/*
 #endif
 @DIR_MACOS@searchplugins/*
 @DIR_MACOS@webapprt/components/
+#ifdef XP_WIN
+  mozjs.dll
+#endif