diff --git a/sound/soc/amd/ps/ps-mach.c b/sound/soc/amd/ps/ps-mach.c
index ff8ad036b077..3e49c255c025 100644
--- a/sound/soc/amd/ps/ps-mach.c
+++ b/sound/soc/amd/ps/ps-mach.c
@@ -45,7 +45,6 @@ static struct snd_soc_card acp63_card = {
 
 static int acp63_probe(struct platform_device *pdev)
 {
-	struct acp63_pdm *machine = NULL;
 	struct snd_soc_card *card;
 	int ret;
 
@@ -53,7 +52,6 @@ static int acp63_probe(struct platform_device *pdev)
 	card = platform_get_drvdata(pdev);
 	acp63_card.dev = &pdev->dev;
 
-	snd_soc_card_set_drvdata(card, machine);
 	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret) {
 		return dev_err_probe(&pdev->dev, ret,
diff --git a/sound/soc/amd/renoir/acp3x-rn.c b/sound/soc/amd/renoir/acp3x-rn.c
index 3249f74a0197..516c3d4f4ede 100644
--- a/sound/soc/amd/renoir/acp3x-rn.c
+++ b/sound/soc/amd/renoir/acp3x-rn.c
@@ -44,14 +44,12 @@ static struct snd_soc_card acp_card = {
 static int acp_probe(struct platform_device *pdev)
 {
 	int ret;
-	struct acp_pdm *machine = NULL;
 	struct snd_soc_card *card;
 
 	card = &acp_card;
 	acp_card.dev = &pdev->dev;
 
 	platform_set_drvdata(pdev, card);
-	snd_soc_card_set_drvdata(card, machine);
 	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret) {
 		return dev_err_probe(&pdev->dev, ret,
diff --git a/sound/soc/amd/yc/acp6x-mach.c b/sound/soc/amd/yc/acp6x-mach.c
index 7a637d6b5576..63f2b39f78b7 100644
--- a/sound/soc/amd/yc/acp6x-mach.c
+++ b/sound/soc/amd/yc/acp6x-mach.c
@@ -800,7 +800,6 @@ static const struct dmi_system_id yc_acp_quirk_table[] = {
 static int acp6x_probe(struct platform_device *pdev)
 {
 	const struct dmi_system_id *dmi_id;
-	struct acp6x_pdm *machine = NULL;
 	struct snd_soc_card *card;
 	struct acpi_device *adev;
 	acpi_handle handle;
@@ -847,7 +846,6 @@ static int acp6x_probe(struct platform_device *pdev)
 	dev_info(&pdev->dev, "Enabling ACP DMIC support via %s", dmi_id ? "DMI" : "ACPI");
 	acp6x_card.dev = &pdev->dev;
 
-	snd_soc_card_set_drvdata(card, machine);
 	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret) {
 		return dev_err_probe(&pdev->dev, ret,