bm_stat = cs_readb(cs5535au, ACC_BM0_STATUS);
        spin_unlock(&cs5535au->reg_lock);
        if (bm_stat & EOP) {
-               struct cs5535audio_dma *dma;
-               dma = cs5535au->playback_substream->runtime->private_data;
                snd_pcm_period_elapsed(cs5535au->playback_substream);
        } else {
                dev_err(cs5535au->card->dev,
        spin_lock(&cs5535au->reg_lock);
        bm_stat = cs_readb(cs5535au, ACC_BM1_STATUS);
        spin_unlock(&cs5535au->reg_lock);
-       if (bm_stat & EOP) {
-               struct cs5535audio_dma *dma;
-               dma = cs5535au->capture_substream->runtime->private_data;
+       if (bm_stat & EOP)
                snd_pcm_period_elapsed(cs5535au->capture_substream);
-       }
 }
 
 static irqreturn_t snd_cs5535audio_interrupt(int irq, void *dev_id)