diff --git a/src/libei-seat.h b/src/libei-seat.h
index 64625a3..cec0993 100644
--- a/src/libei-seat.h
+++ b/src/libei-seat.h
@@ -59,9 +59,6 @@ OBJECT_DECLARE_GETTER(ei_seat, interface, const struct ei_seat_interface *);
 struct ei_seat *
 ei_seat_new(struct ei *ei, object_id_t id, uint32_t version);
 
-struct ei_device *
-ei_seat_find_device(struct ei_seat *seat, uint32_t deviceid);
-
 void
 ei_seat_remove(struct ei_seat *seat);