Index: /trunk/src/VBox/Devices/Makefile.kmk
===================================================================
--- /trunk/src/VBox/Devices/Makefile.kmk	(revision 65071)
+++ /trunk/src/VBox/Devices/Makefile.kmk	(revision 65072)
@@ -565,7 +565,4 @@
  #VBoxDD_DEFS  += VBOX_WITH_AUDIO_CALLBACKS
 
- # Enable Audio Queues implementation for macOS hosts (Core Audio backend).
- VBoxDD_DEFS.darwin += VBOX_WITH_AUDIO_CA_QUEUES
-
  # Disable one-time audio stream initialization at device creation (VM startup) instead
  # of creating the stream when needed at some later point in time.