diff --git a/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptools.c b/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptools.c
index ac701d0a1075..1f59f715bdf4 100644
--- a/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptools.c
+++ b/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptools.c
@@ -482,7 +482,7 @@ parse_ascii(char *ascii, uint8_t *binstr, size_t binlen)
  * snmp_client structure.
  */
 int32_t
-parse_authentication(struct snmp_toolinfo *snmptoolctx, char *opt_arg)
+parse_authentication(struct snmp_toolinfo *snmptoolctx __unused, char *opt_arg)
 {
 	int32_t count, subopt;
 	char *val, *option;
@@ -537,7 +537,7 @@ parse_authentication(struct snmp_toolinfo *snmptoolctx, char *opt_arg)
 }
 
 int32_t
-parse_privacy(struct snmp_toolinfo *snmptoolctx, char *opt_arg)
+parse_privacy(struct snmp_toolinfo *snmptoolctx __unused, char *opt_arg)
 {
 	int32_t count, subopt;
 	char *val, *option;
@@ -590,7 +590,7 @@ parse_privacy(struct snmp_toolinfo *snmptoolctx, char *opt_arg)
 }
 
 int32_t
-parse_context(struct snmp_toolinfo *snmptoolctx, char *opt_arg)
+parse_context(struct snmp_toolinfo *snmptoolctx __unused, char *opt_arg)
 {
 	int32_t count, subopt;
 	char *val, *option;
@@ -632,7 +632,7 @@ parse_context(struct snmp_toolinfo *snmptoolctx, char *opt_arg)
 }
 
 int32_t
-parse_user_security(struct snmp_toolinfo *snmptoolctx, char *opt_arg)
+parse_user_security(struct snmp_toolinfo *snmptoolctx __unused, char *opt_arg)
 {
 	int32_t count, subopt, saved_errno;
 	char *val, *option;