diff --git a/lib/libdevstat/devstat.c b/lib/libdevstat/devstat.c
index c50c90b95e80..d0ba704222c5 100644
--- a/lib/libdevstat/devstat.c
+++ b/lib/libdevstat/devstat.c
@@ -1582,7 +1582,7 @@ readkmem_nl(kvm_t *kd, const char *name, void *buf, size_t nbytes)
 static char *
 get_devstat_kvm(kvm_t *kd)
 {
-	int error, i, wp;
+	int i, wp;
 	long gen;
 	struct devstat *nds;
 	struct devstat ds;
@@ -1592,7 +1592,6 @@ get_devstat_kvm(kvm_t *kd)
 
 	if ((num_devs = devstat_getnumdevs(kd)) <= 0)
 		return(NULL);
-	error = 0;
 	if (KREADNL(kd, X_DEVICE_STATQ, dhead) == -1)
 		return(NULL);