diff --git a/sound/soc/codecs/rt1318-sdw.c b/sound/soc/codecs/rt1318-sdw.c
index c32d8ae77981..795accedc22c 100644
--- a/sound/soc/codecs/rt1318-sdw.c
+++ b/sound/soc/codecs/rt1318-sdw.c
@@ -562,19 +562,7 @@ static const struct snd_soc_dapm_route rt1318_dapm_routes[] = {
 static int rt1318_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
 				int direction)
 {
-	struct sdw_stream_data *stream;
-
-	if (!sdw_stream)
-		return 0;
-
-	stream = kzalloc(sizeof(*stream), GFP_KERNEL);
-	if (!stream)
-		return -ENOMEM;
-
-	stream->sdw_stream = sdw_stream;
-
-	/* Use tx_mask or rx_mask to configure stream tag and set dma_data */
-	snd_soc_dai_dma_data_set(dai, direction, stream);
+	snd_soc_dai_dma_data_set(dai, direction, sdw_stream);
 
 	return 0;
 }
@@ -582,11 +570,7 @@ static int rt1318_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
 static void rt1318_sdw_shutdown(struct snd_pcm_substream *substream,
 				struct snd_soc_dai *dai)
 {
-	struct sdw_stream_data *stream;
-
-	stream = snd_soc_dai_get_dma_data(dai, substream);
 	snd_soc_dai_set_dma_data(dai, substream, NULL);
-	kfree(stream);
 }
 
 static int rt1318_sdw_hw_params(struct snd_pcm_substream *substream,
@@ -598,14 +582,14 @@ static int rt1318_sdw_hw_params(struct snd_pcm_substream *substream,
 	struct sdw_stream_config stream_config;
 	struct sdw_port_config port_config;
 	enum sdw_data_direction direction;
-	struct sdw_stream_data *stream;
+	struct sdw_stream_runtime *sdw_stream;
 	int retval, port, num_channels, ch_mask;
 	unsigned int sampling_rate;
 
 	dev_dbg(dai->dev, "%s %s", __func__, dai->name);
-	stream = snd_soc_dai_get_dma_data(dai, substream);
+	sdw_stream = snd_soc_dai_get_dma_data(dai, substream);
 
-	if (!stream)
+	if (!sdw_stream)
 		return -EINVAL;
 
 	if (!rt1318->sdw_slave)
@@ -633,7 +617,7 @@ static int rt1318_sdw_hw_params(struct snd_pcm_substream *substream,
 	port_config.num = port;
 
 	retval = sdw_stream_add_slave(rt1318->sdw_slave, &stream_config,
-				&port_config, 1, stream->sdw_stream);
+				&port_config, 1, sdw_stream);
 	if (retval) {
 		dev_err(dai->dev, "Unable to configure port\n");
 		return retval;
@@ -679,13 +663,13 @@ static int rt1318_sdw_pcm_hw_free(struct snd_pcm_substream *substream,
 	struct snd_soc_component *component = dai->component;
 	struct rt1318_sdw_priv *rt1318 =
 		snd_soc_component_get_drvdata(component);
-	struct sdw_stream_data *stream =
+	struct sdw_stream_runtime *sdw_stream =
 		snd_soc_dai_get_dma_data(dai, substream);
 
 	if (!rt1318->sdw_slave)
 		return -EINVAL;
 
-	sdw_stream_remove_slave(rt1318->sdw_slave, stream->sdw_stream);
+	sdw_stream_remove_slave(rt1318->sdw_slave, sdw_stream);
 	return 0;
 }
 
diff --git a/sound/soc/codecs/rt1318-sdw.h b/sound/soc/codecs/rt1318-sdw.h
index 4d7ac9c4bd8d..85918c184f16 100644
--- a/sound/soc/codecs/rt1318-sdw.h
+++ b/sound/soc/codecs/rt1318-sdw.h
@@ -94,8 +94,4 @@ struct rt1318_sdw_priv {
 	bool first_hw_init;
 };
 
-struct sdw_stream_data {
-	struct sdw_stream_runtime *sdw_stream;
-};
-
 #endif /* __RT1318_SDW_H__ */