diff --git a/sndiod/sock.c b/sndiod/sock.c
index 3074f08..cb09f22 100644
--- a/sndiod/sock.c
+++ b/sndiod/sock.c
@@ -627,9 +627,7 @@ sock_setpar(struct sock *f)
 			rchan = 1;
 		else if (rchan > NCHAN_MAX)
 			rchan = NCHAN_MAX;
-		s->sub.slot_cmin = s->opt->rmin;
 		s->sub.slot_cmax = s->opt->rmin + rchan - 1;
-		s->sub.dev_cmin = s->opt->rmin;
 		s->sub.dev_cmax = s->opt->rmax;
 #ifdef DEBUG
 		if (log_level >= 3) {
@@ -651,9 +649,7 @@ sock_setpar(struct sock *f)
 			pchan = 1;
 		else if (pchan > NCHAN_MAX)
 			pchan = NCHAN_MAX;
-		s->mix.slot_cmin = s->opt->pmin;
 		s->mix.slot_cmax = s->opt->pmin + pchan - 1;
-		s->mix.dev_cmin = s->opt->pmin;
 		s->mix.dev_cmax = s->opt->pmax;
 #ifdef DEBUG
 		if (log_level >= 3) {