diff --git a/homeassistant/components/switcher_kis/button.py b/homeassistant/components/switcher_kis/button.py
index 093077ed818..b0e45f1374a 100644
--- a/homeassistant/components/switcher_kis/button.py
+++ b/homeassistant/components/switcher_kis/button.py
@@ -30,21 +30,14 @@ from .const import SIGNAL_DEVICE_ADD
 from .utils import get_breeze_remote_manager
 
 
-@dataclass(frozen=True)
-class SwitcherThermostatButtonDescriptionMixin:
-    """Mixin to describe a Switcher Thermostat Button entity."""
+@dataclass(frozen=True, kw_only=True)
+class SwitcherThermostatButtonEntityDescription(ButtonEntityDescription):
+    """Class to describe a Switcher Thermostat Button entity."""
 
     press_fn: Callable[[SwitcherType2Api, SwitcherBreezeRemote], SwitcherBaseResponse]
     supported: Callable[[SwitcherBreezeRemote], bool]
 
 
-@dataclass(frozen=True)
-class SwitcherThermostatButtonEntityDescription(
-    ButtonEntityDescription, SwitcherThermostatButtonDescriptionMixin
-):
-    """Class to describe a Switcher Thermostat Button entity."""
-
-
 THERMOSTAT_BUTTONS = [
     SwitcherThermostatButtonEntityDescription(
         key="assume_on",