diff --git a/homeassistant/components/doorbird/button.py b/homeassistant/components/doorbird/button.py
index d77ac7a378e..48709ceb9c1 100644
--- a/homeassistant/components/doorbird/button.py
+++ b/homeassistant/components/doorbird/button.py
@@ -17,20 +17,13 @@ from .models import DoorBirdData
 IR_RELAY = "__ir_light__"
 
 
-@dataclass(frozen=True)
-class DoorbirdButtonEntityDescriptionMixin:
-    """Mixin to describe a Doorbird Button entity."""
+@dataclass(frozen=True, kw_only=True)
+class DoorbirdButtonEntityDescription(ButtonEntityDescription):
+    """Class to describe a Doorbird Button entity."""
 
     press_action: Callable[[DoorBird, str], None]
 
 
-@dataclass(frozen=True)
-class DoorbirdButtonEntityDescription(
-    ButtonEntityDescription, DoorbirdButtonEntityDescriptionMixin
-):
-    """Class to describe a Doorbird Button entity."""
-
-
 RELAY_ENTITY_DESCRIPTION = DoorbirdButtonEntityDescription(
     key="relay",
     translation_key="relay",