diff --git a/sound/soc/amd/acp/acp-sdw-legacy-mach.c b/sound/soc/amd/acp/acp-sdw-legacy-mach.c
index 05484c72f9a8..24e99d8d36ab 100644
--- a/sound/soc/amd/acp/acp-sdw-legacy-mach.c
+++ b/sound/soc/amd/acp/acp-sdw-legacy-mach.c
@@ -378,10 +378,8 @@ static int create_dmic_dailinks(struct snd_soc_card *card,
 static int soc_card_dai_links_create(struct snd_soc_card *card)
 {
 	struct device *dev = card->dev;
-	struct snd_soc_acpi_mach *mach = dev_get_platdata(card->dev);
 	int sdw_be_num = 0, dmic_num = 0;
 	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
-	struct snd_soc_acpi_mach_params *mach_params = &mach->mach_params;
 	struct snd_soc_aux_dev *soc_aux;
 	struct snd_soc_codec_conf *codec_conf;
 	struct snd_soc_dai_link *dai_links;
@@ -424,7 +422,7 @@ static int soc_card_dai_links_create(struct snd_soc_card *card)
 	sdw_be_num = ret;
 
 	/* enable dmic */
-	if (soc_sdw_quirk & ASOC_SDW_ACP_DMIC || mach_params->dmic_num)
+	if (soc_sdw_quirk & ASOC_SDW_ACP_DMIC)
 		dmic_num = 1;
 
 	dev_dbg(dev, "sdw %d, dmic %d", sdw_be_num, dmic_num);