diff --git a/tests/microbench.js b/tests/microbench.js
index c4710b1..ce3097c 100644
--- a/tests/microbench.js
+++ b/tests/microbench.js
@@ -1204,17 +1204,6 @@ function sort_bench(text) {
 sort_bench.bench = true;
 sort_bench.verbose = false;
 
-function int_to_string(n)
-{
-    var s, j;
-    for(j = 0; j < n; j++) {
-        s = (j % 1000).toString();
-        s = (1234000 + j % 1000).toString();
-    }
-    global_res = s;
-    return n * 2;
-}
-
 function int_to_string(n)
 {
     var s, r, j;