diff --git a/gnu/services/audio.scm b/gnu/services/audio.scm
index 690409b7a13..9ad63328c63 100644
--- a/gnu/services/audio.scm
+++ b/gnu/services/audio.scm
@@ -140,14 +140,6 @@
 (define list-of-symbol?
   (list-of symbol?))
 
-;; Helpers for deprecated field types, to be removed later.
-(define %lazy-group (make-symbol "%lazy-group"))
-
-(define (%set-user-group user group)
-  (user-account
-   (inherit user)
-   (group (user-group-name group))))
-
 
 ;;;
 ;;; MPD