diff --git a/drivers/sound/max98357a.c b/drivers/sound/max98357a.c
index a2088f0..bdf6dc2 100644
--- a/drivers/sound/max98357a.c
+++ b/drivers/sound/max98357a.c
@@ -38,6 +38,7 @@
 	return 0;
 }
 
+__maybe_unused
 static int max98357a_acpi_fill_ssdt(const struct udevice *dev,
 				    struct acpi_ctx *ctx)
 {
@@ -137,10 +138,12 @@
 #endif
 
 struct acpi_ops max98357a_acpi_ops = {
+#ifdef CONFIG_ACPIGEN
 	.fill_ssdt	= max98357a_acpi_fill_ssdt,
 #ifdef CONFIG_X86
 	.setup_nhlt	= max98357a_acpi_setup_nhlt,
 #endif
+#endif
 };
 
 static const struct audio_codec_ops max98357a_ops = {