diff --git a/tools/mkboot.c b/tools/mkboot.c
index 4fd99e2ccd..ce743e9414 100644
--- a/tools/mkboot.c
+++ b/tools/mkboot.c
@@ -33,9 +33,7 @@ int main(int argc, char *argv[])
 {
     char *infile, *bootfile, *outfile;
     FILE *f;
-    long pos;
     int i;
-    int file_length;
     int len;
     int actual_length, total_length, binary_length, num_chksums;
     int origin = 0x1f0000;   /* H1x0 bootloader address */