diff --git a/sys/netinet/sctputil.c b/sys/netinet/sctputil.c
index eab032012d57..77c62a113f79 100644
--- a/sys/netinet/sctputil.c
+++ b/sys/netinet/sctputil.c
@@ -4594,159 +4594,6 @@ sctp_add_to_readq(struct sctp_inpcb *inp,
 	}
 }
 
-
-int
-sctp_append_to_readq(struct sctp_inpcb *inp,
-    struct sctp_tcb *stcb,
-    struct sctp_queued_to_read *control,
-    struct mbuf *m,
-    int end,
-    int ctls_cumack,
-    struct sockbuf *sb)
-{
-	/*
-	 * A partial delivery API event is underway. OR we are appending on
-	 * the reassembly queue.
-	 * 
-	 * If PDAPI this means we need to add m to the end of the data.
-	 * Increase the length in the control AND increment the sb_cc.
-	 * Otherwise sb is NULL and all we need to do is put it at the end
-	 * of the mbuf chain.
-	 */
-	int len = 0;
-	struct mbuf *mm, *tail = NULL, *prev = NULL;
-
-	if (inp) {
-		SCTP_INP_READ_LOCK(inp);
-	}
-	if (control == NULL) {
-get_out:
-		if (inp) {
-			SCTP_INP_READ_UNLOCK(inp);
-		}
-		return (-1);
-	}
-	if (inp && (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_CANT_READ)) {
-		SCTP_INP_READ_UNLOCK(inp);
-		return (0);
-	}
-	if (control->end_added) {
-		/* huh this one is complete? */
-		goto get_out;
-	}
-	mm = m;
-	if (mm == NULL) {
-		goto get_out;
-	}
-	while (mm) {
-		if (SCTP_BUF_LEN(mm) == 0) {
-			/* Skip mbufs with NO lenght */
-			if (prev == NULL) {
-				/* First one */
-				m = sctp_m_free(mm);
-				mm = m;
-			} else {
-				SCTP_BUF_NEXT(prev) = sctp_m_free(mm);
-				mm = SCTP_BUF_NEXT(prev);
-			}
-			continue;
-		}
-		prev = mm;
-		len += SCTP_BUF_LEN(mm);
-		if (sb) {
-			if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_SB_LOGGING_ENABLE) {
-				sctp_sblog(sb, control->do_not_ref_stcb ? NULL : stcb, SCTP_LOG_SBALLOC, SCTP_BUF_LEN(mm));
-			}
-			sctp_sballoc(stcb, sb, mm);
-			if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_SB_LOGGING_ENABLE) {
-				sctp_sblog(sb, control->do_not_ref_stcb ? NULL : stcb, SCTP_LOG_SBRESULT, 0);
-			}
-		}
-		mm = SCTP_BUF_NEXT(mm);
-	}
-	if (prev) {
-		tail = prev;
-	} else {
-		/* Really there should always be a prev */
-		if (m == NULL) {
-			/* Huh nothing left? */
-#ifdef INVARIANTS
-			panic("Nothing left to add?");
-#else
-			goto get_out;
-#endif
-		}
-		tail = m;
-	}
-	if (control->tail_mbuf) {
-		/* append */
-		SCTP_BUF_NEXT(control->tail_mbuf) = m;
-		control->tail_mbuf = tail;
-	} else {
-		/* nothing there */
-#ifdef INVARIANTS
-		if (control->data != NULL) {
-			panic("This should NOT happen");
-		}
-#endif
-		control->data = m;
-		control->tail_mbuf = tail;
-	}
-	atomic_add_int(&control->length, len);
-	if (end) {
-		/* message is complete */
-		if (stcb && (control == stcb->asoc.control_pdapi)) {
-			stcb->asoc.control_pdapi = NULL;
-		}
-		control->held_length = 0;
-		control->end_added = 1;
-	}
-	if (stcb == NULL) {
-		control->do_not_ref_stcb = 1;
-	}
-	/*
-	 * When we are appending in partial delivery, the cum-ack is used
-	 * for the actual pd-api highest tsn on this mbuf. The true cum-ack
-	 * is populated in the outbound sinfo structure from the true cumack
-	 * if the association exists...
-	 */
-	control->sinfo_tsn = control->sinfo_cumtsn = ctls_cumack;
-	if (inp) {
-		SCTP_INP_READ_UNLOCK(inp);
-	}
-	if (inp && inp->sctp_socket) {
-		if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ZERO_COPY_ACTIVE)) {
-			SCTP_ZERO_COPY_EVENT(inp, inp->sctp_socket);
-		} else {
-#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
-			struct socket *so;
-
-			so = SCTP_INP_SO(inp);
-			if (stcb) {
-				atomic_add_int(&stcb->asoc.refcnt, 1);
-				SCTP_TCB_UNLOCK(stcb);
-			}
-			SCTP_SOCKET_LOCK(so, 1);
-			if (stcb) {
-				SCTP_TCB_LOCK(stcb);
-				atomic_subtract_int(&stcb->asoc.refcnt, 1);
-			}
-			if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) {
-				SCTP_SOCKET_UNLOCK(so, 1);
-				return (0);
-			}
-#endif
-			sctp_sorwakeup(inp, inp->sctp_socket);
-#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
-			SCTP_SOCKET_UNLOCK(so, 1);
-#endif
-		}
-	}
-	return (0);
-}
-
-
-
 /*************HOLD THIS COMMENT FOR PATCH FILE OF
  *************ALTERNATE ROUTING CODE
  */
diff --git a/sys/netinet/sctputil.h b/sys/netinet/sctputil.h
index abfb4a73eb5b..292068af4da3 100644
--- a/sys/netinet/sctputil.h
+++ b/sys/netinet/sctputil.h
@@ -128,16 +128,6 @@ sctp_add_to_readq(struct sctp_inpcb *inp,
 #endif
 );
 
-int
-sctp_append_to_readq(struct sctp_inpcb *inp,
-    struct sctp_tcb *stcb,
-    struct sctp_queued_to_read *control,
-    struct mbuf *m,
-    int end,
-    int new_cumack,
-    struct sockbuf *sb);
-
-
 void sctp_iterator_worker(void);
 
 uint32_t sctp_get_prev_mtu(uint32_t);