diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 30cadec9a340bd9b4a1e4fd982f9baea6c012dc1..627de9525a32594b2ce2fcb84325b43189cbc0a6 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -2981,7 +2981,7 @@ static int create_ua1000_quirk(struct snd_usb_audio *chip,
 		return -ENXIO;
 	alts = &iface->altsetting[1];
 	altsd = get_iface_desc(alts);
-	if (alts->extralen != 11 || alts->extra[1] != CS_AUDIO_INTERFACE ||
+	if (alts->extralen != 11 || alts->extra[1] != USB_DT_CS_INTERFACE ||
 	    altsd->bNumEndpoints != 1)
 		return -ENXIO;
 
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index 88733524d0fb1c78fde79bd6e6d0e10f5affd300..0f4b2b8541d6a54e1d2deeb6bf6e49324bba9933 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -30,13 +30,6 @@
 #define USB_SUBCLASS_MIDI_STREAMING	0x03
 #define USB_SUBCLASS_VENDOR_SPEC	0xff
 
-#define CS_AUDIO_UNDEFINED		0x20
-#define CS_AUDIO_DEVICE			0x21
-#define CS_AUDIO_CONFIGURATION		0x22
-#define CS_AUDIO_STRING			0x23
-#define CS_AUDIO_INTERFACE		0x24
-#define CS_AUDIO_ENDPOINT		0x25
-
 #define HEADER				0x01
 #define INPUT_TERMINAL			0x02
 #define OUTPUT_TERMINAL			0x03
diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c
index 5c53ec8a13bf5bbf27d1b0d38b50453423191b45..5105b6b057484ffb0408e509e90f70a45e3d799e 100644
--- a/sound/usb/usbmidi.c
+++ b/sound/usb/usbmidi.c
@@ -1413,7 +1413,7 @@ static int snd_usbmidi_detect_yamaha(struct snd_usb_midi* umidi,
 	for (cs_desc = hostif->extra;
 	     cs_desc < hostif->extra + hostif->extralen && cs_desc[0] >= 2;
 	     cs_desc += cs_desc[0]) {
-		if (cs_desc[1] == CS_AUDIO_INTERFACE) {
+		if (cs_desc[1] == USB_DT_CS_INTERFACE) {
 			if (cs_desc[2] == MIDI_IN_JACK)
 				endpoint->in_cables = (endpoint->in_cables << 1) | 1;
 			else if (cs_desc[2] == MIDI_OUT_JACK)