diff --git a/docs/development/build-instructions-linux.md b/docs/development/build-instructions-linux.md
index b958f0f92ba1..13835e756ace 100644
--- a/docs/development/build-instructions-linux.md
+++ b/docs/development/build-instructions-linux.md
@@ -12,7 +12,7 @@ Follow the guidelines below for building Electron on Linux.
   For a quick test, run the following script:
 
   ```sh
-  $ npm run check-tls
+  $ npx @electron/check-python-tls
   ```
 
   If the script returns that your configuration is using an outdated security
diff --git a/docs/development/build-instructions-macos.md b/docs/development/build-instructions-macos.md
index ad1488188d37..88912e51c041 100644
--- a/docs/development/build-instructions-macos.md
+++ b/docs/development/build-instructions-macos.md
@@ -15,7 +15,7 @@ Please also ensure that your system and Python version support at least TLS 1.2.
 This depends on both your version of macOS and Python. For a quick test, run:
 
 ```sh
-$ npm run check-tls
+$ npx @electron/check-python-tls
 ```
 
 If the script returns that your configuration is using an outdated security
diff --git a/package.json b/package.json
index 5903e0d4bc5d..67f09ad542d0 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,6 @@
   "private": true,
   "scripts": {
     "asar": "asar",
-    "check-tls": "python ./script/tls.py",
     "generate-version-json": "node script/generate-version-json.js",
     "lint": "node ./script/lint.js && npm run lint:clang-format && npm run lint:docs",
     "lint:js": "node ./script/lint.js --js",
diff --git a/script/lib/tls/index.js b/script/lib/tls/index.js
deleted file mode 100644
index a53084ccf39f..000000000000
--- a/script/lib/tls/index.js
+++ /dev/null
@@ -1,18 +0,0 @@
-const fs = require('fs')
-const https = require('https')
-const path = require('path')
-
-const server = https.createServer({
-  key: fs.readFileSync(path.resolve(__dirname, 'tls.key.pem')),
-  cert: fs.readFileSync(path.resolve(__dirname, 'tls.cert.pem'))
-}, (req, res) => {
-  res.end(JSON.stringify({ protocol: req.socket.getProtocol() }))
-
-  setTimeout(() => {
-    server.close()
-  }, 0)
-})
-
-server.listen(0, () => {
-  console.log(server.address().port)
-})
diff --git a/script/lib/tls/tls.cert.pem b/script/lib/tls/tls.cert.pem
deleted file mode 100644
index f77ce995190e..000000000000
--- a/script/lib/tls/tls.cert.pem
+++ /dev/null
@@ -1,21 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDZDCCAkwCCQDw+ZvdiZ6UJTANBgkqhkiG9w0BAQsFADB0MQswCQYDVQQGEwJB
-VTETMBEGA1UECAwKU29tZS1TdGF0ZTEdMBsGA1UECgwURE8gTk9UIFVTRSBUSElT
-IENFUlQxHTAbBgNVBAsMFFRISVMgQ0VSVCBJUyBVU0VMRVNTMRIwEAYDVQQDDAlk
-ZWFkLmNlcnQwHhcNMTgwNjIwMDY0OTE2WhcNMTkwNjIwMDY0OTE2WjB0MQswCQYD
-VQQGEwJBVTETMBEGA1UECAwKU29tZS1TdGF0ZTEdMBsGA1UECgwURE8gTk9UIFVT
-RSBUSElTIENFUlQxHTAbBgNVBAsMFFRISVMgQ0VSVCBJUyBVU0VMRVNTMRIwEAYD
-VQQDDAlkZWFkLmNlcnQwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC9
-0UnRjuXgIO1no5xFCugzcje1GlDd88AJCJyxySOJZhpry1S9mtrM0iQvGb+v9ixq
-mLuMBEsG1mvjECD6mFREHHK2NHFuSnfKtZkkzb3/turSEvmiRCXD+X0N+knuXjjl
-P6eo+hiGhhkDYHxz19e66ecVAYQThkQinZDU0l0rMbEMB9fKwcgiC9vG6tE7fE4i
-z3WLhT+LBS02qkJGLGIyCnOsJMMBoXpAV0DwB2CA05vTP8SrrllMg2Q4YAFhxAZl
-f/YHeJsvVyhbbw/k+oPypgdKRjYSCwSFgllOADVBv5gJ6lWt3to7B/HpFh9pTNuA
-12go7AJ2tBrIBj485P7HAgMBAAEwDQYJKoZIhvcNAQELBQADggEBALWyR7u+Tcde
-U1kwitc6cJYwE2uZZS8+f5L3WLouoAw4Jr0GlqO9uZC8lwMbvO5tRN1khV8HdZ8k
-c/qoY/fwzW0qNjDDfz9tev73iu8SlL4iu9g9CDlISIFZlqmBr+g3Szw/l2ghud3a
-bogwgsZjWlODWFsJJE9gBKSzh2oiDDYa4PWkrkTg8VUe/8BLUc2ijKc6KXPPR72V
-iDXqKmM3S+Pa6a/evJo1z0KxsbSqs/ErIzY7JxSPG6Gw7NMYD6QmoJhNePicarIA
-LRFZqTFfi8v7Dmj58WI9BN1dkGtzTpYM4RL4gjmQmTf7J+mpgPDH9pi1pB1NZwxN
-pJmyETQUqDA=
------END CERTIFICATE-----
diff --git a/script/lib/tls/tls.key.pem b/script/lib/tls/tls.key.pem
deleted file mode 100644
index 84a77b70603a..000000000000
--- a/script/lib/tls/tls.key.pem
+++ /dev/null
@@ -1,27 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
-MIIEowIBAAKCAQEAvdFJ0Y7l4CDtZ6OcRQroM3I3tRpQ3fPACQicsckjiWYaa8tU
-vZrazNIkLxm/r/Ysapi7jARLBtZr4xAg+phURBxytjRxbkp3yrWZJM29/7bq0hL5
-okQlw/l9DfpJ7l445T+nqPoYhoYZA2B8c9fXuunnFQGEE4ZEIp2Q1NJdKzGxDAfX
-ysHIIgvbxurRO3xOIs91i4U/iwUtNqpCRixiMgpzrCTDAaF6QFdA8AdggNOb0z/E
-q65ZTINkOGABYcQGZX/2B3ibL1coW28P5PqD8qYHSkY2EgsEhYJZTgA1Qb+YCepV
-rd7aOwfx6RYfaUzbgNdoKOwCdrQayAY+POT+xwIDAQABAoIBAEDIT/hMW9odgsjP
-RwMtUMhWH/sYKydFDHJI1Sm8Kvu2tCe78oTvd+NViPHmSMymKMyMqd2EjZKc1Z9e
-HtNH7+J7Dw9uYJQyqCWvyr+L1F+UrxnZTgd6WKVE3dBKbrcCw0pCalc6W+p1k83a
-PT9QGBl7wNkjdk8vkMt7mTV5QkD+El20bsxhgVptS/SOgcRZha5HHC074b/WU0lr
-gXm+9Bmh3ND/FRF8rE2FEd8JjmEOioidpv/RaQyuj3Zc3Wf4cex7JLkhlpWaxriz
-5WxnIURtRDYruP1kjvACQGYnpBsBPA86vsRk03/vKpjmcklYDNbzc2uU7IWRmMsh
-VXILl7kCgYEA9BQogsCOyxiHwIcG7d7n8eG8UrBeFVTCOKabQCVX4jr2d6JbFGCX
-7BHTaSoN7QU1fmBJXp8+LckQ2TLKYKfGVzgyKjymJYgm4DE4r39jaHln+llHLOOW
-RiC+IC2npCYEsE+8A4wlOqi02srSVIriOT8tbZSSxnC8C+tkBANc4pUCgYEAxxas
-onV5RyK7/XhhKofueEw8h3IvrjQzVLUQZ+XtTcsJVcuAwEhoJ4Ckpwaou69i4M8y
-+OZJLUlU/UJykrgdmGmwcSE+Ncv7RjyQVhHThSSV+n9vdmdm+Jk93Eya4PG7oCF6
-a+qtXdH/1IQ4YRTBbxKQDPjQCXC4G7fbqlzdAOsCgYEAmtsfSLW64whROMlykADY
-0BIUVbIoPwhjoWWzImOO+q3GKekMOEWAnfpBU3unEjY31lJoumv2Gz5yPhuHYwOP
-R08UJNAN6coUQDF6cX41J9e/LIrwKX7LnPqxJeFRd0fXubUc6HNGO41GEXqVL6Ze
-GUwIGnolFVn5NObHsfQgPnECgYBAf6gOOeDAmxAsXgOcs80eTBSQDP5FgcPffYmD
-H4px2YV8tiFQKiUUJykws4eWxotSKc5ptLGgalGOeyiDQALWjecLv6lX5G3To2tf
-dwb/64prTT3fLkC96WeRJ4BFwAr5Jd9zduQTsSUgxHU/fmnsgicJDNLZPBtpX3db
-ChrPYQKBgCbZCntXj6MkGZSNZ5IlNynl2XmPa9kN+ztCrTPPP3imAZgcDmROUjj+
-0eZiCjX/GJTO5uLSFtZxl3YnpWZsJJZSwnwPwEEo3+t5ves2dG+oJbeWLbj7xxE5
-LX934fWHWUof/qDY38/2Mu6+uu7IpNZlfAJ/hsjDE9pw8f0D6Xa+
------END RSA PRIVATE KEY-----
diff --git a/script/tls.py b/script/tls.py
deleted file mode 100644
index 316cdd930029..000000000000
--- a/script/tls.py
+++ /dev/null
@@ -1,54 +0,0 @@
-#!/usr/bin/env python
-
-from __future__ import print_function
-import json
-import os
-import ssl
-import subprocess
-import sys
-import urllib2
-
-ctx = ssl.create_default_context()
-ctx.check_hostname = False
-ctx.verify_mode = ssl.CERT_NONE
-
-def check_tls(verbose):
-  process = subprocess.Popen(
-    'node lib/tls',
-    cwd=os.path.dirname(os.path.realpath(__file__)),
-    shell=True,
-    stdout=subprocess.PIPE,
-    stderr=subprocess.STDOUT
-  )
-
-  port = process.stdout.readline()
-  localhost_url = 'https://localhost:' + port
-
-  response = json.load(urllib2.urlopen(localhost_url, context=ctx))
-  tls = response['protocol']
-  process.wait()
-
-  if sys.platform == "linux" or sys.platform == "linux2":
-    tutorial = "./docs/development/build-instructions-linux.md"
-  elif sys.platform == "darwin":
-    tutorial = "./docs/development/build-instructions-macos.md"
-  elif sys.platform == "win32":
-    tutorial = "./docs/development/build-instructions-windows.md"
-  else:
-    tutorial = "build instructions for your operating system" \
-      + "in ./docs/development/"
-
-  if tls == "TLSv1" or tls == "TLSv1.1":
-    print("Your system/python combination is using an outdated security" \
-      + "protocol and will not be able to compile Electron. Please see " \
-      + tutorial + "." \
-      + "for instructions on how to update Python.")
-    sys.exit(1)
-  else:
-    if verbose:
-      print("Your Python is using " + tls + ", which is sufficient for " \
-        + "building Electron.")
-
-if __name__ == '__main__':
-  check_tls(True)
-  sys.exit(0)