diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c
index cdd842288811..729f750fe746 100644
--- a/sound/soc/sof/intel/hda-dai.c
+++ b/sound/soc/sof/intel/hda-dai.c
@@ -206,7 +206,8 @@ static int hda_link_dma_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static int hda_dai_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai)
+static int __maybe_unused hda_dai_hw_free(struct snd_pcm_substream *substream,
+					  struct snd_soc_dai *cpu_dai)
 {
 	const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai);
 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
@@ -226,9 +227,9 @@ static int hda_dai_hw_free(struct snd_pcm_substream *substream, struct snd_soc_d
 	return hda_link_dma_cleanup(substream, hext_stream, cpu_dai, codec_dai);
 }
 
-static int hda_dai_hw_params(struct snd_pcm_substream *substream,
-			     struct snd_pcm_hw_params *params,
-			     struct snd_soc_dai *dai)
+static int __maybe_unused hda_dai_hw_params(struct snd_pcm_substream *substream,
+					    struct snd_pcm_hw_params *params,
+					    struct snd_soc_dai *dai)
 {
 	struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(dai, substream->stream);
 	const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, dai);
@@ -263,7 +264,8 @@ static int hda_dai_hw_params(struct snd_pcm_substream *substream,
  * In contrast to IPC3, the dai trigger in IPC4 mixes pipeline state changes
  * (over IPC channel) and DMA state change (direct host register changes).
  */
-static int hda_dai_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai)
+static int __maybe_unused hda_dai_trigger(struct snd_pcm_substream *substream, int cmd,
+					  struct snd_soc_dai *dai)
 {
 	const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, dai);
 	struct hdac_ext_stream *hext_stream;