diff --git a/sys/netinet/sctp_indata.c b/sys/netinet/sctp_indata.c
index 6095fe534c27..1040c9d90a76 100644
--- a/sys/netinet/sctp_indata.c
+++ b/sys/netinet/sctp_indata.c
@@ -3300,13 +3300,7 @@ sctp_strike_gap_ack_chunks(struct sctp_tcb *stcb, struct sctp_association *asoc,
 		if (stcb->asoc.peer_supports_prsctp) {
 			if ((PR_SCTP_TTL_ENABLED(tp1->flags)) && tp1->sent < SCTP_DATAGRAM_ACKED) {
 				/* Is it expired? */
-				if (
-				/*
-				 * TODO sctp_constants.h needs alternative
-				 * time macros when _KERNEL is undefined.
-				 */
-				    (timevalcmp(&now, &tp1->rec.data.timetodrop, >))
-				    ) {
+				if (timevalcmp(&now, &tp1->rec.data.timetodrop, >)) {
 					/* Yes so drop it */
 					if (tp1->data != NULL) {
 						(void)sctp_release_pr_sctp_chunk(stcb, tp1,
diff --git a/sys/netinet/sctp_output.c b/sys/netinet/sctp_output.c
index 5623228c62ca..fb39917eb11d 100644
--- a/sys/netinet/sctp_output.c
+++ b/sys/netinet/sctp_output.c
@@ -5728,7 +5728,7 @@ sctp_prune_prsctp(struct sctp_tcb *stcb,
 		while (chk) {
 			nchk = TAILQ_NEXT(chk, sctp_next);
 			/* Here we must move to the sent queue and mark */
-			if (PR_SCTP_TTL_ENABLED(chk->flags)) {
+			if (PR_SCTP_BUF_ENABLED(chk->flags)) {
 				if (chk->rec.data.timetodrop.tv_sec >= (long)srcv->sinfo_timetolive) {
 					if (chk->data) {
 						/*
diff --git a/sys/netinet/sctp_timer.c b/sys/netinet/sctp_timer.c
index 6db51935898c..949dd2fff85a 100644
--- a/sys/netinet/sctp_timer.c
+++ b/sys/netinet/sctp_timer.c
@@ -772,9 +772,7 @@ sctp_mark_all_for_resend(struct sctp_tcb *stcb,
 			}
 			if (stcb->asoc.peer_supports_prsctp && PR_SCTP_TTL_ENABLED(chk->flags)) {
 				/* Is it expired? */
-				if ((now.tv_sec > chk->rec.data.timetodrop.tv_sec) ||
-				    ((chk->rec.data.timetodrop.tv_sec == now.tv_sec) &&
-				    (now.tv_usec > chk->rec.data.timetodrop.tv_usec))) {
+				if (timevalcmp(&now, &chk->rec.data.timetodrop, >)) {
 					/* Yes so drop it */
 					if (chk->data) {
 						(void)sctp_release_pr_sctp_chunk(stcb,