diff --git a/benchmark/_benchmark_progress.js b/benchmark/_benchmark_progress.js
index 935b1f24d49673..1b7ac738f6de0d 100644
--- a/benchmark/_benchmark_progress.js
+++ b/benchmark/_benchmark_progress.js
@@ -35,7 +35,6 @@ class BenchmarkProgress {
     // Number of times each file will be run (roughly).
     this.runsPerFile = queue.length / benchmarks.length;
     this.currentFile = '';  // Filename of current benchmark.
-    this.currentFileConfig;  // Configurations for current file
     // Number of configurations already run for the current file.
     this.completedConfig = 0;
     // Total number of configurations for the current file
diff --git a/benchmark/es/foreach-bench.js b/benchmark/es/foreach-bench.js
index 25ea97b44d5695..f424ca7a2552b2 100644
--- a/benchmark/es/foreach-bench.js
+++ b/benchmark/es/foreach-bench.js
@@ -12,19 +12,18 @@ function useFor(n, items, count) {
   bench.start();
   for (var i = 0; i < n; i++) {
     for (var j = 0; j < count; j++) {
-      /* eslint-disable no-unused-vars */
+      // eslint-disable-next-line no-unused-vars
       const item = items[j];
-      /* esline-enable no-unused-vars */
     }
   }
   bench.end(n);
 }
 
 function useForOf(n, items) {
-  var item;
   bench.start();
   for (var i = 0; i < n; i++) {
-    for (item of items) {}
+    // eslint-disable-next-line no-unused-vars
+    for (const item of items) {}
   }
   bench.end(n);
 }
@@ -33,9 +32,8 @@ function useForIn(n, items) {
   bench.start();
   for (var i = 0; i < n; i++) {
     for (var j in items) {
-      /* eslint-disable no-unused-vars */
+      // eslint-disable-next-line no-unused-vars
       const item = items[j];
-      /* esline-enable no-unused-vars */
     }
   }
   bench.end(n);
diff --git a/doc/guides/writing-and-running-benchmarks.md b/doc/guides/writing-and-running-benchmarks.md
index 5838449612b541..e6ccf163d3e27a 100644
--- a/doc/guides/writing-and-running-benchmarks.md
+++ b/doc/guides/writing-and-running-benchmarks.md
@@ -470,6 +470,6 @@ Supported options keys are:
 [autocannon]: https://github.com/mcollina/autocannon
 [wrk]: https://github.com/wg/wrk
 [t-test]: https://en.wikipedia.org/wiki/Student%27s_t-test#Equal_or_unequal_sample_sizes.2C_unequal_variances
-[git-for-windows]: http://git-scm.com/download/win
-[nghttp2.org]: http://nghttp2.org
+[git-for-windows]: https://git-scm.com/download/win
+[nghttp2.org]: https://nghttp2.org
 [benchmark-ci]: https://github.com/nodejs/benchmarking/blob/master/docs/core_benchmarks.md