--- a/mail/installer/package-manifest.in
+++ b/mail/installer/package-manifest.in
@@ -398,17 +398,16 @@
 @RESPATH@/components/directory.xpt
 @RESPATH@/components/docshell.xpt
 @RESPATH@/components/dom.xpt
 @RESPATH@/components/dom_apps.xpt
 @RESPATH@/components/dom_newapps.xpt
 @RESPATH@/components/dom_base.xpt
 @RESPATH@/components/dom_system.xpt
 @RESPATH@/components/dom_canvas.xpt
-@RESPATH@/components/dom_alarm.xpt
 @RESPATH@/components/dom_core.xpt
 @RESPATH@/components/dom_css.xpt
 @RESPATH@/components/dom_events.xpt
 @RESPATH@/components/dom_geolocation.xpt
 @RESPATH@/components/dom_media.xpt
 @RESPATH@/components/dom_mobilemessage.xpt
 @RESPATH@/components/dom_network.xpt
 @RESPATH@/components/dom_notification.xpt