diff --git a/main/snprintf.c b/main/snprintf.c
index 2dd2aa276fa4d..4c20367ea3089 100644
--- a/main/snprintf.c
+++ b/main/snprintf.c
@@ -961,7 +961,6 @@ static int format_converter(register buffy * odp, const char *fmt, va_list ap) /
 
 
 				case 's':
-				case 'v':
 					s = va_arg(ap, char *);
 					if (s != NULL) {
 						s_len = strlen(s);