diff --git a/packages/bolt-connection/test/timezones.js b/packages/bolt-connection/test/timezones.js
index 8825ca059..209e33f1f 100644
--- a/packages/bolt-connection/test/timezones.js
+++ b/packages/bolt-connection/test/timezones.js
@@ -88,7 +88,6 @@ const timezones = [
   'America/Aruba',
   'America/Asuncion',
   'America/Bahia',
-  'America/Bahia_Banderas',
   'America/Barbados',
   'America/Belem',
   'America/Belize',
@@ -134,7 +133,6 @@ const timezones = [
   'America/Guyana',
   'America/Halifax',
   'America/Havana',
-  'America/Hermosillo',
   'America/Indiana/Knox',
   'America/Indiana/Marengo',
   'America/Indiana/Petersburg',
@@ -161,7 +159,6 @@ const timezones = [
   'America/Marigot',
   'America/Martinique',
   'America/Matamoros',
-  'America/Mazatlan',
   'America/Mendoza',
   'America/Menominee',
   'America/Merida',