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-rw-r--r--docs/system/deprecated.rst9
-rw-r--r--docs/system/removed-features.rst8
2 files changed, 8 insertions, 9 deletions
diff --git a/docs/system/deprecated.rst b/docs/system/deprecated.rst
index 8cba672a7b..1db30f8f27 100644
--- a/docs/system/deprecated.rst
+++ b/docs/system/deprecated.rst
@@ -21,15 +21,6 @@ deprecated.
 System emulator command line arguments
 --------------------------------------
 
-``-usbdevice`` (since 2.10.0)
-'''''''''''''''''''''''''''''
-
-The ``-usbdevice DEV`` argument is now a synonym for setting
-the ``-device usb-DEV`` argument instead. The deprecated syntax
-would automatically enable USB support on the machine type.
-If using the new syntax, USB support must be explicitly
-enabled via the ``-machine usb=on`` argument.
-
 ``-drive file=json:{...{'driver':'file'}}`` (since 3.0)
 '''''''''''''''''''''''''''''''''''''''''''''''''''''''
 
diff --git a/docs/system/removed-features.rst b/docs/system/removed-features.rst
index 83148dcfda..82e7fcc517 100644
--- a/docs/system/removed-features.rst
+++ b/docs/system/removed-features.rst
@@ -38,6 +38,14 @@ or ``-display default,show-cursor=on`` instead.
 QEMU 5.0 introduced an alternative syntax to specify the size of the translation
 block cache, ``-accel tcg,tb-size=``.
 
+``-usbdevice audio`` (removed in 6.0)
+'''''''''''''''''''''''''''''''''''''
+
+This option lacked the possibility to specify an audio backend device.
+Use ``-device usb-audio`` now instead (and specify a corresponding USB
+host controller or ``-usb`` if necessary).
+
+
 QEMU Machine Protocol (QMP) commands
 ------------------------------------