diff --git a/modules/usbaudio/audio_hw.c b/modules/usbaudio/audio_hw.c
index 9283016..f33c343 100644
--- a/modules/usbaudio/audio_hw.c
+++ b/modules/usbaudio/audio_hw.c
@@ -379,11 +379,6 @@
     return 0;
 }
 
-static uint32_t adev_get_supported_devices(const struct audio_hw_device *dev)
-{
-    return AUDIO_DEVICE_OUT_ALL_USB;
-}
-
 static int adev_open(const hw_module_t* module, const char* name,
                      hw_device_t** device)
 {
@@ -398,11 +393,10 @@
         return -ENOMEM;
 
     adev->hw_device.common.tag = HARDWARE_DEVICE_TAG;
-    adev->hw_device.common.version = AUDIO_DEVICE_API_VERSION_1_0;
+    adev->hw_device.common.version = AUDIO_DEVICE_API_VERSION_2_0;
     adev->hw_device.common.module = (struct hw_module_t *) module;
     adev->hw_device.common.close = adev_close;
 
-    adev->hw_device.get_supported_devices = adev_get_supported_devices;
     adev->hw_device.init_check = adev_init_check;
     adev->hw_device.set_voice_volume = adev_set_voice_volume;
     adev->hw_device.set_master_volume = adev_set_master_volume;