--- a/simtool/chv.c	Thu Feb 11 23:08:39 2021 +0000
+++ b/simtool/chv.c	Thu Feb 11 23:11:57 2021 +0000
@@ -4,36 +4,9 @@
  */
 
 #include <sys/types.h>
-#include <ctype.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include "simresp.h"
 
-encode_pin_entry(arg, dest)
-	char *arg;
-	u_char *dest;
-{
-	unsigned n;
-
-	n = 0;
-	while (*arg) {
-		if (!isdigit(*arg)) {
-			fprintf(stderr,
-			"error: PIN argument contains a non-digit character\n");
-			return(-1);
-		}
-		if (n >= 8) {
-			fprintf(stderr, "error: PIN argument is too long\n");
-			return(-1);
-		}
-		*dest++ = *arg++;
-		n++;
-	}
-	for (; n < 8; n++)
-		*dest++ = 0xFF;
-	return(0);
-}
-
 cmd_verify_chv(argc, argv)
 	char **argv;
 {