diff --git a/homeassistant/components/plex/services.yaml b/homeassistant/components/plex/services.yaml
index 366acb43a5b..5412a4180e6 100644
--- a/homeassistant/components/plex/services.yaml
+++ b/homeassistant/components/plex/services.yaml
@@ -1,17 +1,3 @@
-play_on_sonos:
-  description: Play music hosted on a Plex server on a linked Sonos speaker.
-  fields:
-    entity_id:
-      description: Entity ID of a media_player from the Sonos integration.
-      example: "media_player.sonos_living_room"
-    media_content_id:
-      description: The ID of the content to play. See https://www.home-assistant.io/integrations/plex/#music for details.
-      example: >-
-          '{ "library_name": "Music", "artist_name": "Stevie Wonder" }'
-    media_content_type:
-      description: The type of content to play. Must be "music".
-      example: "music"
-
 refresh_library:
   description: Refresh a Plex library to scan for new and updated media.
   fields: