diff --git a/sys/dev/sound/usb/uaudio_pcm.c b/sys/dev/sound/usb/uaudio_pcm.c
index d75f3e3d2f1f..1a975dc4ed79 100644
--- a/sys/dev/sound/usb/uaudio_pcm.c
+++ b/sys/dev/sound/usb/uaudio_pcm.c
@@ -329,7 +329,6 @@ ua_attach(device_t dev)
 	ua->bufsz = pcm_getbuffersize(dev, 4096, UAUDIO_DEFAULT_BUFSZ, 65536);
 	if (bootverbose)
 		device_printf(dev, "using a default buffer size of %jd\n", (intmax_t)ua->bufsz);
-	ua->bufsz = pcm_getbuffersize(dev, 4096, UAUDIO_DEFAULT_BUFSZ, 65536);
 
 	if (mixer_init(dev, &ua_mixer_class, ua)) {
 		return(ENXIO);