diff --git a/present/present.h b/present/present.h
index 3d0b9722b..eaef02a68 100644
--- a/present/present.h
+++ b/present/present.h
@@ -167,11 +167,6 @@ present_event_notify(uint64_t event_id, uint64_t ust, uint64_t msc);
 extern _X_EXPORT void
 present_wnmd_event_notify(WindowPtr window, uint64_t event_id, uint64_t ust, uint64_t msc);
 
-/* 'crtc' has been turned off, so any pending events will never occur.
- */
-extern _X_EXPORT void
-present_event_abandon(RRCrtcPtr crtc);
-
 extern _X_EXPORT Bool
 present_screen_init(ScreenPtr screen, present_screen_info_ptr info);
 extern _X_EXPORT Bool