diff --git a/misc/bench_worker.js b/misc/bench_worker.js
deleted file mode 100644
index 2bb56bf..0000000
--- a/misc/bench_worker.js
+++ /dev/null
@@ -1,19 +0,0 @@
-function isPrime(value) {
-    for(var i = 2; i < value; i++) {
-        if(value % i === 0) {
-            return false;
-        }
-    }
-    return value > 1;
-}
-var d = new Date();
-var startTime = d.getTime();
-console.log(startTime);
-for (var i=0;i<100000000;i++){
-	isPrime(9999999999);
-}
-d = new Date();
-console.log(d.getTime()-startTime);
-console.log(d.getTime());
-postMessage(d.getTime()-startTime);
-