diff --git a/common/password.c b/common/password.c
index ece7704..311f9cb 100644
--- a/common/password.c
+++ b/common/password.c
@@ -42,13 +42,12 @@
 	unsigned char *buf = passwd;
 	int pos = 0;
 	unsigned char ch;
-	uint64_t start, second;
+	uint64_t start;
 
 	if (!passwd)
 		return -EINVAL;
 
 	start = get_time_ns();
-	second = start;
 
 	do {
 		if (tstc()) {