diff --git a/benchmark/timers/immediate.js b/benchmark/timers/immediate.js
index bbe81555cacc97..7ddb5cb05af40d 100644
--- a/benchmark/timers/immediate.js
+++ b/benchmark/timers/immediate.js
@@ -6,9 +6,9 @@ const bench = common.createBenchmark(main, {
   type: ['depth', 'depth1', 'breadth', 'breadth1', 'breadth4', 'clear']
 });
 
-function main(conf) {
-  const N = +conf.thousands * 1e3;
-  switch (conf.type) {
+function main({ thousands, type }) {
+  const N = thousands * 1e3;
+  switch (type) {
     case 'depth':
       depth(N);
       break;
diff --git a/benchmark/timers/set-immediate-breadth-args.js b/benchmark/timers/set-immediate-breadth-args.js
index 348cb62fb2cc1a..d5b5a9878066db 100644
--- a/benchmark/timers/set-immediate-breadth-args.js
+++ b/benchmark/timers/set-immediate-breadth-args.js
@@ -5,8 +5,8 @@ const bench = common.createBenchmark(main, {
   millions: [5]
 });
 
-function main(conf) {
-  const N = +conf.millions * 1e6;
+function main({ millions }) {
+  const N = millions * 1e6;
 
   process.on('exit', function() {
     bench.end(N / 1e6);
diff --git a/benchmark/timers/set-immediate-breadth.js b/benchmark/timers/set-immediate-breadth.js
index 3d8b038342634d..a4b217b5bff8d6 100644
--- a/benchmark/timers/set-immediate-breadth.js
+++ b/benchmark/timers/set-immediate-breadth.js
@@ -5,8 +5,8 @@ const bench = common.createBenchmark(main, {
   millions: [10]
 });
 
-function main(conf) {
-  const N = +conf.millions * 1e6;
+function main({ millions }) {
+  const N = millions * 1e6;
 
   process.on('exit', function() {
     bench.end(N / 1e6);
diff --git a/benchmark/timers/set-immediate-depth-args.js b/benchmark/timers/set-immediate-depth-args.js
index 704b1814514a93..fe1340c4bd55f2 100644
--- a/benchmark/timers/set-immediate-depth-args.js
+++ b/benchmark/timers/set-immediate-depth-args.js
@@ -5,8 +5,8 @@ const bench = common.createBenchmark(main, {
   millions: [5]
 });
 
-function main(conf) {
-  const N = +conf.millions * 1e6;
+function main({ millions }) {
+  const N = millions * 1e6;
 
   process.on('exit', function() {
     bench.end(N / 1e6);
diff --git a/benchmark/timers/timers-breadth.js b/benchmark/timers/timers-breadth.js
index 02ebd5bb0d082b..b05b3f91b1859d 100644
--- a/benchmark/timers/timers-breadth.js
+++ b/benchmark/timers/timers-breadth.js
@@ -5,8 +5,8 @@ const bench = common.createBenchmark(main, {
   thousands: [5000],
 });
 
-function main(conf) {
-  const N = +conf.thousands * 1e3;
+function main({ thousands }) {
+  const N = thousands * 1e3;
   var n = 0;
   bench.start();
   function cb() {
diff --git a/benchmark/timers/timers-cancel-pooled.js b/benchmark/timers/timers-cancel-pooled.js
index 23cef153876f20..33897507c83937 100644
--- a/benchmark/timers/timers-cancel-pooled.js
+++ b/benchmark/timers/timers-cancel-pooled.js
@@ -6,8 +6,8 @@ const bench = common.createBenchmark(main, {
   millions: [5],
 });
 
-function main(conf) {
-  const iterations = +conf.millions * 1e6;
+function main({ millions }) {
+  const iterations = millions * 1e6;
 
   var timer = setTimeout(() => {}, 1);
   for (var i = 0; i < iterations; i++) {
diff --git a/benchmark/timers/timers-cancel-unpooled.js b/benchmark/timers/timers-cancel-unpooled.js
index 50931e35124724..57e0139dfe1a4a 100644
--- a/benchmark/timers/timers-cancel-unpooled.js
+++ b/benchmark/timers/timers-cancel-unpooled.js
@@ -6,8 +6,8 @@ const bench = common.createBenchmark(main, {
   millions: [1],
 });
 
-function main(conf) {
-  const iterations = +conf.millions * 1e6;
+function main({ millions }) {
+  const iterations = millions * 1e6;
 
   const timersList = [];
   for (var i = 0; i < iterations; i++) {
diff --git a/benchmark/timers/timers-depth.js b/benchmark/timers/timers-depth.js
index 42dc652b277781..ca74eee393fd45 100644
--- a/benchmark/timers/timers-depth.js
+++ b/benchmark/timers/timers-depth.js
@@ -5,8 +5,8 @@ const bench = common.createBenchmark(main, {
   thousands: [1],
 });
 
-function main(conf) {
-  const N = +conf.thousands * 1e3;
+function main({ thousands }) {
+  const N = thousands * 1e3;
   var n = 0;
   bench.start();
   setTimeout(cb, 1);
diff --git a/benchmark/timers/timers-insert-pooled.js b/benchmark/timers/timers-insert-pooled.js
index 8bbc84290ad9b7..59d2c490c3a9b2 100644
--- a/benchmark/timers/timers-insert-pooled.js
+++ b/benchmark/timers/timers-insert-pooled.js
@@ -5,8 +5,8 @@ const bench = common.createBenchmark(main, {
   millions: [5],
 });
 
-function main(conf) {
-  const iterations = +conf.millions * 1e6;
+function main({ millions }) {
+  const iterations = millions * 1e6;
 
   bench.start();
 
diff --git a/benchmark/timers/timers-insert-unpooled.js b/benchmark/timers/timers-insert-unpooled.js
index efe8e9aaa579c2..56526633358e42 100644
--- a/benchmark/timers/timers-insert-unpooled.js
+++ b/benchmark/timers/timers-insert-unpooled.js
@@ -6,8 +6,8 @@ const bench = common.createBenchmark(main, {
   millions: [1],
 });
 
-function main(conf) {
-  const iterations = +conf.millions * 1e6;
+function main({ millions }) {
+  const iterations = millions * 1e6;
 
   const timersList = [];
 
diff --git a/benchmark/timers/timers-timeout-pooled.js b/benchmark/timers/timers-timeout-pooled.js
index d39c8cf969a49b..df88e2784f8f91 100644
--- a/benchmark/timers/timers-timeout-pooled.js
+++ b/benchmark/timers/timers-timeout-pooled.js
@@ -8,8 +8,8 @@ const bench = common.createBenchmark(main, {
   millions: [10],
 });
 
-function main(conf) {
-  const iterations = +conf.millions * 1e6;
+function main({ millions }) {
+  const iterations = millions * 1e6;
   let count = 0;
 
   // Function tracking on the hidden class in V8 can cause misleading