diff --git a/usr.bin/backlight/backlight.c b/usr.bin/backlight/backlight.c
index 9cf7a0912e9..7c3f295223f 100644
--- a/usr.bin/backlight/backlight.c
+++ b/usr.bin/backlight/backlight.c
@@ -101,11 +101,9 @@ main(int argc, char *argv[])
 	long percent = -1;
 	const char *percent_error;
 	uint32_t i;
-	bool setname;
 	bool quiet = false;
 
 	action = BACKLIGHT_QUERY;
-	setname = false;
 	fd = -1;
 
 	while ((ch = getopt(argc, argv, "f:qhi")) != -1) {
@@ -114,7 +112,6 @@ main(int argc, char *argv[])
 			quiet = true;
 			break;
 		case 'f':
-			setname = true;
 			set_device_name(optarg);
 			break;
 		case 'i':