diff --git a/benchmark/arrays/var-int.js b/benchmark/arrays/var-int.js
index a8acbf5ccbbcb1..e36a909a3b9e76 100644
--- a/benchmark/arrays/var-int.js
+++ b/benchmark/arrays/var-int.js
@@ -17,10 +17,8 @@ const bench = common.createBenchmark(main, {
   n: [25]
 });
 
-function main(conf) {
-  const type = conf.type;
+function main({ type, n }) {
   const clazz = global[type];
-  const n = +conf.n;
 
   bench.start();
   const arr = new clazz(n * 1e6);
diff --git a/benchmark/arrays/zero-float.js b/benchmark/arrays/zero-float.js
index c8d7dbf7ed57d2..073460e0efb8fc 100644
--- a/benchmark/arrays/zero-float.js
+++ b/benchmark/arrays/zero-float.js
@@ -17,10 +17,8 @@ const bench = common.createBenchmark(main, {
   n: [25]
 });
 
-function main(conf) {
-  const type = conf.type;
+function main({ type, n }) {
   const clazz = global[type];
-  const n = +conf.n;
 
   bench.start();
   const arr = new clazz(n * 1e6);
diff --git a/benchmark/arrays/zero-int.js b/benchmark/arrays/zero-int.js
index b16a6b6b72064e..78fd34ae6c0bf4 100644
--- a/benchmark/arrays/zero-int.js
+++ b/benchmark/arrays/zero-int.js
@@ -17,10 +17,8 @@ const bench = common.createBenchmark(main, {
   n: [25]
 });
 
-function main(conf) {
-  const type = conf.type;
+function main({ type, n }) {
   const clazz = global[type];
-  const n = +conf.n;
 
   bench.start();
   const arr = new clazz(n * 1e6);