diff --git a/homeassistant/components/hdmi_cec/switch.py b/homeassistant/components/hdmi_cec/switch.py
index a5d64b2a7fa..076bedde0b2 100644
--- a/homeassistant/components/hdmi_cec/switch.py
+++ b/homeassistant/components/hdmi_cec/switch.py
@@ -52,15 +52,6 @@ class CecSwitchEntity(CecEntity, SwitchEntity):
         self._state = STATE_OFF
         self.schedule_update_ha_state(force_refresh=False)
 
-    def toggle(self, **kwargs):
-        """Toggle the entity."""
-        self._device.toggle()
-        if self._state == STATE_ON:
-            self._state = STATE_OFF
-        else:
-            self._state = STATE_ON
-        self.schedule_update_ha_state(force_refresh=False)
-
     @property
     def is_on(self) -> bool:
         """Return True if entity is on."""
diff --git a/homeassistant/helpers/entity.py b/homeassistant/helpers/entity.py
index c8faad53b0e..1c03e2334fe 100644
--- a/homeassistant/helpers/entity.py
+++ b/homeassistant/helpers/entity.py
@@ -1025,15 +1025,20 @@ class ToggleEntity(Entity):
         """Turn the entity off."""
         await self.hass.async_add_executor_job(ft.partial(self.turn_off, **kwargs))
 
+    @final
     def toggle(self, **kwargs: Any) -> None:
-        """Toggle the entity."""
-        if self.is_on:
-            self.turn_off(**kwargs)
-        else:
-            self.turn_on(**kwargs)
+        """Toggle the entity.
+
+        This method will never be called by Home Assistant and should not be implemented
+        by integrations.
+        """
 
     async def async_toggle(self, **kwargs: Any) -> None:
-        """Toggle the entity."""
+        """Toggle the entity.
+
+        This method should typically not be implemented by integrations, it's enough to
+        implement async_turn_on + async_turn_off or turn_on + turn_off.
+        """
         if self.is_on:
             await self.async_turn_off(**kwargs)
         else: