diff --git a/script/hassfest/services.py b/script/hassfest/services.py
index 580294705cf..8f59d33830d 100644
--- a/script/hassfest/services.py
+++ b/script/hassfest/services.py
@@ -29,7 +29,6 @@ CORE_INTEGRATION_FIELD_SCHEMA = vol.Schema(
     {
         vol.Optional("example"): exists,
         vol.Optional("default"): exists,
-        vol.Optional("values"): exists,
         vol.Optional("required"): bool,
         vol.Optional("advanced"): bool,
         vol.Optional(CONF_SELECTOR): selector.validate_selector,