diff --git a/md380.c b/md380.c
index 2336af8..a9d46fe 100644
--- a/md380.c
+++ b/md380.c
@@ -586,7 +586,6 @@ static void setup_channel(int i, int mode, char *name, double rx_mhz, double tx_
     ch->rx_only             = rxonly;
     ch->repeater_slot       = timeslot;
     ch->colorcode           = colorcode;
-    ch->data_call_conf      = 1;        // Always ask for SMS acknowledge
     ch->power               = power;
     ch->admit_criteria      = admit;
     ch->contact_name_index  = contact;
diff --git a/uv380.c b/uv380.c
index a98c1cd..7a451f6 100644
--- a/uv380.c
+++ b/uv380.c
@@ -642,7 +642,6 @@ static void setup_channel(int i, int mode, char *name, double rx_mhz, double tx_
     ch->rx_only             = rxonly;
     ch->repeater_slot       = timeslot;
     ch->colorcode           = colorcode;
-    ch->data_call_conf      = 1;        // Always ask for SMS acknowledge
     ch->admit_criteria      = admit;
     ch->contact_name_index  = contact;
     ch->tot                 = tot;