diff --git a/script/build b/script/build
index acc54cdac..55cebe96d 100755
--- a/script/build
+++ b/script/build
@@ -28,6 +28,7 @@ const argv = yargs
 
 const checkChromedriverVersion = require('./lib/check-chromedriver-version')
 const cleanOutputDirectory = require('./lib/clean-output-directory')
+const cleanPackageLock = require('./lib/clean-package-lock')
 const codeSignOnMac = require('./lib/code-sign-on-mac')
 const codeSignOnWindows = require('./lib/code-sign-on-windows')
 const compressArtifacts = require('./lib/compress-artifacts')
@@ -58,6 +59,7 @@ const CONFIG = require('./config')
 let binariesPromise = Promise.resolve()
 
 if (!argv.existingBinaries) {
+  cleanPackageLock()
   checkChromedriverVersion()
   cleanOutputDirectory()
   copyAssets()
diff --git a/script/lib/clean-package-lock.js b/script/lib/clean-package-lock.js
new file mode 100644
index 000000000..01376c9c5
--- /dev/null
+++ b/script/lib/clean-package-lock.js
@@ -0,0 +1,18 @@
+// This module exports a function that deletes all `package-lock.json` files that do
+// not exist under a `node_modules` directory.
+
+'use strict'
+
+const CONFIG = require('../config')
+const fs = require('fs-extra')
+const glob = require('glob')
+const path = require('path')
+
+module.exports = function () {
+  console.log('Deleting problematic package-lock.json files')
+  let paths = glob.sync(path.join(CONFIG.repositoryRootPath, '**', 'package-lock.json'), {ignore: path.join('**', 'node_modules', '**')})
+
+  for (let path of paths) {
+    fs.unlinkSync(path)
+  }
+}