diff --git a/.eslintrc.yml b/.eslintrc.yml
index 8c7f05ca78..54c975459e 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -363,9 +363,5 @@ overrides:
       no-console: off
       no-sync: off
       global-require: off
-      no-shadow: off #TODO
-      no-unused-vars: off #TODO
-      no-else-return: off #TODO
-      object-shorthand: off #TODO
       no-inner-declarations: off #TODO
       prettier/prettier: off #TODO
diff --git a/resources/benchmark.js b/resources/benchmark.js
index e383bcd282..50dfb330c3 100644
--- a/resources/benchmark.js
+++ b/resources/benchmark.js
@@ -50,30 +50,30 @@ function prepareRevision(revision) {
 
   if (revision === LOCAL) {
     return babelBuild(LOCAL_DIR());
-  } else {
-    if (!fs.existsSync(TEMP_DIR())) {
-      fs.mkdirSync(TEMP_DIR());
-    }
+  }
 
-    const hash = hashForRevision(revision);
-    const dir = TEMP_DIR(hash);
+  if (!fs.existsSync(TEMP_DIR())) {
+    fs.mkdirSync(TEMP_DIR());
+  }
 
-    if (!fs.existsSync(dir)) {
-      fs.mkdirSync(dir);
-      execSync(`git archive "${hash}" | tar -xC "${dir}"`);
-      execSync('yarn install', { cwd: dir });
-    }
-    for (const file of findFiles(LOCAL_DIR('src'), '*/__tests__/*')) {
-      const from = LOCAL_DIR('src', file);
-      const to = path.join(dir, 'src', file);
-      fs.copyFileSync(from, to);
-    }
-    execSync(
-      `cp -R "${LOCAL_DIR()}/src/__fixtures__/" "${dir}/src/__fixtures__/"`
-    );
+  const hash = hashForRevision(revision);
+  const dir = TEMP_DIR(hash);
 
-    return babelBuild(dir);
+  if (!fs.existsSync(dir)) {
+    fs.mkdirSync(dir);
+    execSync(`git archive "${hash}" | tar -xC "${dir}"`);
+    execSync('yarn install', { cwd: dir });
   }
+  for (const file of findFiles(LOCAL_DIR('src'), '*/__tests__/*')) {
+    const from = LOCAL_DIR('src', file);
+    const to = path.join(dir, 'src', file);
+    fs.copyFileSync(from, to);
+  }
+  execSync(
+    `cp -R "${LOCAL_DIR()}/src/__fixtures__/" "${dir}/src/__fixtures__/"`
+  );
+
+  return babelBuild(dir);
 }
 
 function babelBuild(dir) {
diff --git a/resources/build.js b/resources/build.js
index 3181aa9e9c..90acfaac18 100644
--- a/resources/build.js
+++ b/resources/build.js
@@ -9,7 +9,6 @@
 
 'use strict';
 
-const fs = require('fs');
 const path = require('path');
 const assert = require('assert');
 const babel = require('@babel/core');
diff --git a/resources/fs-utils.js b/resources/fs-utils.js
index 60d0eeb9f8..310292388a 100644
--- a/resources/fs-utils.js
+++ b/resources/fs-utils.js
@@ -12,8 +12,8 @@
 const fs = require('fs');
 const path = require('path');
 
-function mkdirRecursive(path) {
-  fs.mkdirSync(path, { recursive: true });
+function mkdirRecursive(dirPath) {
+  fs.mkdirSync(dirPath, { recursive: true });
 }
 
 function rmdirRecursive(dirPath) {
diff --git a/resources/inline-invariant.js b/resources/inline-invariant.js
index 93ea54593f..88d1da8f95 100644
--- a/resources/inline-invariant.js
+++ b/resources/inline-invariant.js
@@ -25,7 +25,7 @@ module.exports = function inlineInvariant(context) {
 
   return {
     visitor: {
-      CallExpression: function(path) {
+      CallExpression(path) {
         const node = path.node;
         const parent = path.parent;
 
diff --git a/resources/watch.js b/resources/watch.js
index f135f3e364..365c0bc2fb 100644
--- a/resources/watch.js
+++ b/resources/watch.js
@@ -22,7 +22,7 @@ const srcDir = resolvePath(cmd, '../src');
 function exec(command, options) {
   return new Promise((resolve, reject) => {
     const child = spawn(command, options, {
-      cmd: cmd,
+      cmd,
       env: process.env,
       stdio: 'inherit'
     });
@@ -37,7 +37,7 @@ function exec(command, options) {
 }
 
 const flowServer = spawn(flowBinPath, ['server'], {
-  cmd: cmd,
+  cmd,
   env: process.env
 });
 
@@ -160,17 +160,11 @@ function isTest(filepath) {
 
 const CLEARSCREEN = '\u001b[2J';
 const CLEARLINE = '\r\x1B[K';
-const CHECK = green('\u2713');
-const X = red('\u2718');
 
 function invert(str) {
   return `\u001b[7m ${str} \u001b[27m`;
 }
 
-function red(str) {
-  return `\x1B[K\u001b[1m\u001b[31m${str}\u001b[39m\u001b[22m`;
-}
-
 function green(str) {
   return `\x1B[K\u001b[1m\u001b[32m${str}\u001b[39m\u001b[22m`;
 }