diff --git a/homeassistant/components/rituals_perfume_genie/switch.py b/homeassistant/components/rituals_perfume_genie/switch.py
index 6b88f4f26c1..b5828f5ca07 100644
--- a/homeassistant/components/rituals_perfume_genie/switch.py
+++ b/homeassistant/components/rituals_perfume_genie/switch.py
@@ -18,22 +18,15 @@ from .coordinator import RitualsDataUpdateCoordinator
 from .entity import DiffuserEntity
 
 
-@dataclass(frozen=True)
-class RitualsEntityDescriptionMixin:
-    """Mixin values for Rituals entities."""
+@dataclass(frozen=True, kw_only=True)
+class RitualsSwitchEntityDescription(SwitchEntityDescription):
+    """Class describing Rituals switch entities."""
 
     is_on_fn: Callable[[Diffuser], bool]
     turn_on_fn: Callable[[Diffuser], Awaitable[None]]
     turn_off_fn: Callable[[Diffuser], Awaitable[None]]
 
 
-@dataclass(frozen=True)
-class RitualsSwitchEntityDescription(
-    SwitchEntityDescription, RitualsEntityDescriptionMixin
-):
-    """Class describing Rituals switch entities."""
-
-
 ENTITY_DESCRIPTIONS = (
     RitualsSwitchEntityDescription(
         key="is_on",