diff --git a/sys/sys/queue.h b/sys/sys/queue.h
index 74b8d863714c..eefd62078402 100644
--- a/sys/sys/queue.h
+++ b/sys/sys/queue.h
@@ -300,11 +300,6 @@ struct {								\
 		(head)->stqh_last = &STAILQ_FIRST((head));		\
 } while (0)
 
-#define	STAILQ_REMOVE_HEAD_UNTIL(head, elm, field) do {			\
-	if ((STAILQ_FIRST((head)) = STAILQ_NEXT((elm), field)) == NULL)	\
-		(head)->stqh_last = &STAILQ_FIRST((head));		\
-} while (0)
-
 /*
  * List declarations.
  */