--- a/suite/installer/package-manifest.in
+++ b/suite/installer/package-manifest.in
@@ -177,17 +177,16 @@
 @BINPATH@/components/dom_sidebar.xpt
 #ifdef MOZ_SMIL
 @BINPATH@/components/dom_smil.xpt
 #endif
 @BINPATH@/components/dom_sms.xpt
 @BINPATH@/components/dom_storage.xpt
 @BINPATH@/components/dom_stylesheets.xpt
 @BINPATH@/components/dom_svg.xpt
-@BINPATH@/components/dom_threads.xpt
 @BINPATH@/components/dom_traversal.xpt
 @BINPATH@/components/dom_xbl.xpt
 @BINPATH@/components/dom_xpath.xpt
 @BINPATH@/components/dom_xul.xpt
 @BINPATH@/components/downloads.xpt
 @BINPATH@/components/editor.xpt
 @BINPATH@/components/embed_base.xpt
 @BINPATH@/components/extensions.xpt