diff --git a/demos/montyr/prg2bin.js b/demos/montyr/prg2bin.js
deleted file mode 100644
index 8d9d96a..0000000
--- a/demos/montyr/prg2bin.js
+++ /dev/null
@@ -1,9 +0,0 @@
-const fs = require('fs');
-
-let prg = fs.readFileSync("montyr_apple1.prg");
-
-prg = prg.slice(2);
-
-fs.writeFileSync("montyr.0280R.bin",prg);
-
-console.log("bin written");