diff --git a/src/mainboard/starlabs/byte_adl/Makefile.mk b/src/mainboard/starlabs/byte_adl/Makefile.mk
index 84b693e702..677db61b19 100644
--- a/src/mainboard/starlabs/byte_adl/Makefile.mk
+++ b/src/mainboard/starlabs/byte_adl/Makefile.mk
@@ -10,6 +10,5 @@ verstage-$(CONFIG_VBOOT) += vboot.c
 romstage-$(CONFIG_VBOOT) += vboot.c
 
 ramstage-$(CONFIG_DRIVERS_OPTION_CFR) += cfr.c
-ramstage-y += hda_verb.c
 ramstage-y += mainboard.c
 ramstage-y += smbios.c
diff --git a/src/mainboard/starlabs/byte_adl/hda_verb.c b/src/mainboard/starlabs/byte_adl/hda_verb.c
deleted file mode 100644
index ca69ef9f7d..0000000000
--- a/src/mainboard/starlabs/byte_adl/hda_verb.c
+++ /dev/null
@@ -1,26 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#include <console/console.h>
-#include <device/azalia_device.h>
-#include <option.h>
-#include <types.h>
-
-#define AZALIA_CODEC_SN6140	0x14f11f87
-
-static const u32 override_verb[] = {
-	AZALIA_PIN_CFG(0, 0x1a, 0x00000000),
-};
-
-static void disable_microphone(u8 *base)
-{
-	azalia_program_verb_table(base, override_verb, ARRAY_SIZE(override_verb));
-}
-
-void mainboard_azalia_program_runtime_verbs(u8 *base, u32 viddid)
-{
-	if (viddid == AZALIA_CODEC_SN6140) {
-		printk(BIOS_DEBUG, "CMOS: viddid = %08x\n", viddid);
-		if (get_uint_option("microphone", 1) == 0)
-			disable_microphone(base);
-	}
-}