diff --git a/scripts/lib/email-mirror-postfix b/scripts/lib/email-mirror-postfix
index 0eef527af7..b3ce80534d 100755
--- a/scripts/lib/email-mirror-postfix
+++ b/scripts/lib/email-mirror-postfix
@@ -51,7 +51,6 @@ from urllib.parse import urljoin, urlencode
 from urllib.request import Request, urlopen
 from urllib.error import HTTPError
 from configparser import RawConfigParser
-from six import text_type
 
 
 parser = OptionParser()
@@ -93,7 +92,7 @@ def process_response_error(e):
 
 
 def send_email_mirror(rcpt_to, shared_secret, host, url, test, verify_ssl):
-    # type: (text_type, text_type, text_type, text_type, bool, bool) -> None
+    # type: (str, str, str, str, bool, bool) -> None
     if not rcpt_to:
         print("5.1.1 Bad destination mailbox address: No missed message email address.")
         exit(posix.EX_NOUSER)  # type: ignore # There are no stubs for posix in python 3
diff --git a/zerver/webhooks/delighted/view.py b/zerver/webhooks/delighted/view.py
index 7b680cf214..7247f7a855 100644
--- a/zerver/webhooks/delighted/view.py
+++ b/zerver/webhooks/delighted/view.py
@@ -6,7 +6,6 @@ from zerver.lib.request import REQ, has_request_variables
 from zerver.models import UserProfile
 
 from django.http import HttpRequest, HttpResponse
-from six import text_type
 from typing import Dict, Any, Optional
 
 def body_template(score: int) -> str:
@@ -21,7 +20,7 @@ def api_delighted_webhook(request, user_profile,
                           payload=REQ(argument_type='body'),
                           stream=REQ(default='delighted'),
                           topic=REQ(default='Survey Response')):
-    # type: (HttpRequest, UserProfile, Dict[str, Dict[str, Any]], text_type, text_type) -> HttpResponse
+    # type: (HttpRequest, UserProfile, Dict[str, Dict[str, Any]], str, str) -> HttpResponse
     person = payload['event_data']['person']
     selected_payload = {'email': person['email']}
     selected_payload['score'] = payload['event_data']['score']
diff --git a/zerver/webhooks/hellosign/view.py b/zerver/webhooks/hellosign/view.py
index 40b5f17d40..4e473b4fbf 100644
--- a/zerver/webhooks/hellosign/view.py
+++ b/zerver/webhooks/hellosign/view.py
@@ -7,7 +7,6 @@ from zerver.lib.request import REQ, has_request_variables
 from zerver.models import UserProfile
 
 from django.http import HttpRequest, HttpResponse
-from six import text_type
 from typing import Any, Dict, List
 
 def format_body(signatories: List[Dict[str, Any]], model_payload: Dict[str, Any]) -> str:
@@ -45,7 +44,7 @@ def api_hellosign_webhook(request, user_profile,
                           payload=REQ(argument_type='body'),
                           stream=REQ(default='hellosign'),
                           topic=REQ(default=None)):
-    # type: (HttpRequest, UserProfile, Dict[str, Dict[str, Any]], text_type, text_type) -> HttpResponse
+    # type: (HttpRequest, UserProfile, Dict[str, Dict[str, Any]], str, str) -> HttpResponse
     model_payload = ready_payload(payload['signature_request']['signatures'], payload)
     body = format_body(payload['signature_request']['signatures'], model_payload)
     topic = topic or model_payload['contract_title']
diff --git a/zerver/webhooks/slack/tests.py b/zerver/webhooks/slack/tests.py
index 89c3c324c2..6ca6a262bf 100644
--- a/zerver/webhooks/slack/tests.py
+++ b/zerver/webhooks/slack/tests.py
@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
 from zerver.lib.test_classes import WebhookTestCase
-from six import text_type
 
 
 class SlackWebhookTests(WebhookTestCase):
@@ -52,6 +51,6 @@ class SlackWebhookTests(WebhookTestCase):
         result = self.client_post(url, payload, content_type="application/x-www-form-urlencoded")
         self.assert_json_error(result, 'Error: channels_map_to_topics parameter other than 0 or 1')
 
-    def get_body(self, fixture_name: text_type) -> text_type:
+    def get_body(self, fixture_name: str) -> str:
 
         return self.fixture_data("slack", fixture_name, file_type="txt")
diff --git a/zerver/webhooks/wordpress/tests.py b/zerver/webhooks/wordpress/tests.py
index 9267c84879..8592787683 100644
--- a/zerver/webhooks/wordpress/tests.py
+++ b/zerver/webhooks/wordpress/tests.py
@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from six import text_type
 from zerver.lib.test_classes import WebhookTestCase
 from zerver.models import get_realm, get_user
 
@@ -89,5 +88,5 @@ class WordPressHookTests(WebhookTestCase):
 
         self.assert_json_error(result, "Unknown WordPress webhook action: WordPress Action")
 
-    def get_body(self, fixture_name: text_type) -> text_type:
+    def get_body(self, fixture_name: str) -> str:
         return self.fixture_data("wordpress", fixture_name, file_type="txt")
diff --git a/zerver/webhooks/wordpress/view.py b/zerver/webhooks/wordpress/view.py
index b961405d1b..e3d22fdbab 100644
--- a/zerver/webhooks/wordpress/view.py
+++ b/zerver/webhooks/wordpress/view.py
@@ -8,8 +8,6 @@ from zerver.lib.response import json_success, json_error
 from zerver.lib.request import REQ, has_request_variables
 from zerver.models import get_client, UserProfile
 
-from six import text_type
-
 PUBLISH_POST_OR_PAGE_TEMPLATE = 'New {type} published.\n[{title}]({url})'
 USER_REGISTER_TEMPLATE = 'New blog user registered.\nName: {name}\nemail: {email}'
 WP_LOGIN_TEMPLATE = 'User {name} logged in.'
@@ -26,7 +24,7 @@ def api_wordpress_webhook(request, user_profile,
                           display_name=REQ(default="New User Name"),
                           user_email=REQ(default="New User Email"),
                           user_login=REQ(default="Logged in User")):
-    # type: (HttpRequest, UserProfile, text_type, text_type, text_type, text_type, text_type, text_type, text_type, text_type, text_type) -> HttpResponse
+    # type: (HttpRequest, UserProfile, str, str, str, str, str, str, str, str, str) -> HttpResponse
 
     # remove trailing whitespace (issue for some test fixtures)
     hook = hook.rstrip()