diff --git a/run-assembler.js b/run-assembler.js
index 57dfb88..4a87a55 100755
--- a/run-assembler.js
+++ b/run-assembler.js
@@ -7,7 +7,6 @@
 const fs = require('fs');
 const assembler = require('./assembler.js');
 const { logMemory, num2hex, num2bin } = require('./logging.js');
-const { machine } = require('os');
 const machineConfig = require('./machine.config.js');
 
 const mode = process.argv[2];