unsigned int bytes_received;
        unsigned int copied_total;
        uint16_t bits_per_sample;
-       uint16_t source; /* Encoding source bit mask */
-       uint16_t session_id;
        bool next_track;
        enum stream_state state;
        struct q6apm_graph *graph;
        spinlock_t lock;
-       uint32_t initial_samples_drop;
-       uint32_t trailing_samples_drop;
        bool notify_on_drain;
 };
 
 
        switch (metadata->key) {
        case SNDRV_COMPRESS_ENCODER_PADDING:
-               prtd->trailing_samples_drop = metadata->value[0];
                q6apm_remove_trailing_silence(component->dev, prtd->graph,
-                                             prtd->trailing_samples_drop);
+                                             metadata->value[0]);
                break;
        case SNDRV_COMPRESS_ENCODER_DELAY:
-               prtd->initial_samples_drop = metadata->value[0];
                q6apm_remove_initial_silence(component->dev, prtd->graph,
-                                            prtd->initial_samples_drop);
+                                            metadata->value[0]);
                break;
        default:
                ret = -EINVAL;