diff --git a/benchmark/index.js b/benchmark/index.js
index 527e5ea..8eba660 100644
--- a/benchmark/index.js
+++ b/benchmark/index.js
@@ -67,6 +67,7 @@ $("#run").click(() => {
 	};
 
 	if (isNaN(runCount) || runCount <= 0) {
+		// eslint-disable-next-line no-alert
 		alert("Number of runs must be a positive integer.");
 
 		return;
diff --git a/benchmark/runner.js b/benchmark/runner.js
index dbd2100..12e3ec7 100644
--- a/benchmark/runner.js
+++ b/benchmark/runner.js
@@ -1,7 +1,5 @@
 "use strict";
 
-/* global setTimeout */
-
 let peg = require("../lib/peg");
 
 let Runner = {
diff --git a/benchmark/server b/benchmark/server
index 3dbcb46..0febae5 100755
--- a/benchmark/server
+++ b/benchmark/server
@@ -32,5 +32,6 @@ app.get("/bundle.js", (req, res) => {
 });
 
 app.listen(8000, () => {
+	// eslint-disable-next-line no-console
 	console.log("Benchmark server running at http://localhost:8000...");
 });
diff --git a/test/api/generated-parser-api.spec.js b/test/api/generated-parser-api.spec.js
index 23cc461..936037c 100644
--- a/test/api/generated-parser-api.spec.js
+++ b/test/api/generated-parser-api.spec.js
@@ -1,7 +1,6 @@
+/* eslint-disable no-console */
 "use strict";
 
-/* global console */
-
 let chai = require("chai");
 let peg = require("../../lib/peg");
 let sinon = require("sinon");
diff --git a/test/behavior/generated-parser-behavior.spec.js b/test/behavior/generated-parser-behavior.spec.js
index cb71b99..9c182de 100644
--- a/test/behavior/generated-parser-behavior.spec.js
+++ b/test/behavior/generated-parser-behavior.spec.js
@@ -1,7 +1,6 @@
+/* eslint-disable no-console */
 "use strict";
 
-/* global console */
-
 let chai = require("chai");
 let peg = require("../../lib/peg");
 let sinon = require("sinon");