diff --git a/usr.sbin/bluetooth/bthidd/parser.y b/usr.sbin/bluetooth/bthidd/parser.y
index 8d95f4e5a344..8f704a63f907 100644
--- a/usr.sbin/bluetooth/bthidd/parser.y
+++ b/usr.sbin/bluetooth/bthidd/parser.y
@@ -189,7 +189,7 @@ hid_descriptor:	T_HID_DESCRIPTOR
 			if (hid_device->desc != NULL)
 				hid_dispose_report_desc(hid_device->desc);
 
-			hid_device->desc = hid_use_report_desc(buffer, hid_descriptor_size);
+			hid_device->desc = hid_use_report_desc((unsigned char *) buffer, hid_descriptor_size);
 			if (hid_device->desc == NULL) {
 				SYSLOG(LOGCRIT, "Could not use HID descriptor" EOL);
 				YYABORT;
diff --git a/usr.sbin/bluetooth/hccontrol/link_control.c b/usr.sbin/bluetooth/hccontrol/link_control.c
index 6123e4479875..ea880cd091e3 100644
--- a/usr.sbin/bluetooth/hccontrol/link_control.c
+++ b/usr.sbin/bluetooth/hccontrol/link_control.c
@@ -42,7 +42,7 @@ static int
 hci_inquiry(int s, int argc, char **argv)
 {
 	int			 n0, n1, n2, timo;
-	uint8_t			 b[512];
+	char			 b[512];
 	ng_hci_inquiry_cp	 cp;
 	ng_hci_event_pkt_t	*e = (ng_hci_event_pkt_t *) b;
 
diff --git a/usr.sbin/bluetooth/hcsecd/hcsecd.c b/usr.sbin/bluetooth/hcsecd/hcsecd.c
index d83e04b4486e..de7a77581b13 100644
--- a/usr.sbin/bluetooth/hcsecd/hcsecd.c
+++ b/usr.sbin/bluetooth/hcsecd/hcsecd.c
@@ -282,8 +282,8 @@ send_pin_code_reply(int sock, struct sockaddr_hci *addr,
 
 		cp = (ng_hci_pin_code_rep_cp *)(cmd + 1);
 		memcpy(&cp->bdaddr, bdaddr, sizeof(cp->bdaddr));
-		strncpy(cp->pin, pin, sizeof(cp->pin));
-		cp->pin_size = strlen(cp->pin);
+		strncpy((char *) cp->pin, pin, sizeof(cp->pin));
+		cp->pin_size = strlen((char const *) cp->pin);
 
 		syslog(LOG_DEBUG, "Sending PIN_Code_Reply to '%s' " \
 				"for remote bdaddr %s",