.pointer   = oxygen_pointer,
 };
 
-static void oxygen_pcm_free(struct snd_pcm *pcm)
-{
-       snd_pcm_lib_preallocate_free_for_all(pcm);
-}
-
 int oxygen_pcm_init(struct oxygen *chip)
 {
        struct snd_pcm *pcm;
                        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
                                        &oxygen_rec_b_ops);
                pcm->private_data = chip;
-               pcm->private_free = oxygen_pcm_free;
                strcpy(pcm->name, "Multichannel");
                if (outs)
                        snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream,
                        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
                                        &oxygen_rec_c_ops);
                pcm->private_data = chip;
-               pcm->private_free = oxygen_pcm_free;
                strcpy(pcm->name, "Digital");
                snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
                                                      snd_dma_pci_data(chip->pci),
                        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
                                        &oxygen_rec_b_ops);
                pcm->private_data = chip;
-               pcm->private_free = oxygen_pcm_free;
                strcpy(pcm->name, outs ? "Front Panel" : "Analog 2");
                snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
                                                      snd_dma_pci_data(chip->pci),