diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/MediaLibrarySessionCallback.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/MediaLibrarySessionCallback.kt
index 4b5d404c..4ce201e7 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/MediaLibrarySessionCallback.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/MediaLibrarySessionCallback.kt
@@ -92,7 +92,6 @@ private const val MEDIA_BOOKMARK_ITEM = "MEDIA_BOOKMARK_ITEM"
 private const val MEDIA_PODCAST_ITEM = "MEDIA_PODCAST_ITEM"
 private const val MEDIA_PODCAST_EPISODE_ITEM = "MEDIA_PODCAST_EPISODE_ITEM"
 private const val MEDIA_SEARCH_SONG_ITEM = "MEDIA_SEARCH_SONG_ITEM"
-private const val MEDIA_ARTIST_PLAY_ID = "MEDIA_ARTIST_PLAY_ID"
 
 // Currently the display limit for long lists is 100 items
 private const val DISPLAY_LIMIT = 100