--- a/simtool/hexread.c	Sun Feb 07 00:01:55 2021 +0000
+++ b/simtool/hexread.c	Sun Feb 07 00:06:50 2021 +0000
@@ -10,17 +10,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-decode_hex_digit(c)
-{
-	if (c >= '0' && c <= '9')
-		return(c - '0');
-	if (c >= 'A' && c <= 'F')
-		return(c - 'A' + 10);
-	if (c >= 'a' && c <= 'f')
-		return(c - 'a' + 10);
-	return(-1);
-}
-
 read_hex_data_file(filename, databuf)
 	char *filename;
 	u_char *databuf;
@@ -65,33 +54,3 @@
 	}
 	return(count);
 }
-
-decode_hex_data_from_string(arg, databuf)
-	char *arg;
-	u_char *databuf;
-{
-	unsigned count;
-
-	for (count = 0; ; count++) {
-		while (isspace(*arg))
-			arg++;
-		if (!*arg)
-			break;
-		if (!isxdigit(arg[0]) || !isxdigit(arg[1])) {
-			fprintf(stderr, "error: invalid hex string input\n");
-			return(-1);
-		}
-		if (count >= 255) {
-			fprintf(stderr, "error: hex input data is too long\n");
-			return(-1);
-		}
-		databuf[count] = (decode_hex_digit(arg[0]) << 4) |
-				 decode_hex_digit(arg[1]);
-		arg += 2;
-	}
-	if (!count) {
-		fprintf(stderr, "error: empty hex string argument\n");
-		return(-1);
-	}
-	return(count);
-}