diff --git a/tools/doc/html.js b/tools/doc/html.js
index 5534dd03b74..e2519259959 100644
--- a/tools/doc/html.js
+++ b/tools/doc/html.js
@@ -224,7 +224,7 @@ function altDocs(filename) {
   const host = 'https://nodejs.org';
   const href = (v) => `${host}/docs/latest-v${v.num}/api/${filename}.html`;
 
-  function li(v, i) {
+  function li(v) {
     let html = `<li><a href="${href(v)}">${v.num}`;
 
     if (v.lts)
diff --git a/tools/eslint-rules/crypto-check.js b/tools/eslint-rules/crypto-check.js
index b1b2a03f50e..9d24d3355dc 100644
--- a/tools/eslint-rules/crypto-check.js
+++ b/tools/eslint-rules/crypto-check.js
@@ -54,7 +54,7 @@ module.exports = function(context) {
     }
   }
 
-  function reportIfMissingCheck(node) {
+  function reportIfMissingCheck() {
     if (hasSkipCall) {
       return;
     }
diff --git a/tools/eslint-rules/inspector-check.js b/tools/eslint-rules/inspector-check.js
index e65dd17d768..bb40a981832 100644
--- a/tools/eslint-rules/inspector-check.js
+++ b/tools/eslint-rules/inspector-check.js
@@ -29,7 +29,7 @@ module.exports = function(context) {
     }
   }
 
-  function reportIfMissing(context, node) {
+  function reportIfMissing(context) {
     if (!hasInspectorCheck) {
       missingCheckNodes.forEach((node) => {
         context.report(node, msg);