diff --git a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
index 8a6bcf394e..28931e486d 100644
--- a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
@@ -121,13 +121,6 @@ chip soc/intel/tigerlake
 	register "PchHdaAudioLinkDmicEnable[1]" = "1"
 	register "PchHdaAudioLinkSspEnable[0]" = "1"
 	register "PchHdaAudioLinkSspEnable[1]" = "1"
-        # iDisp-Link T-Mode 0: 2T, 2: 4T, 3: 8T, 4: 16T
-	register "PchHdaIDispLinkTmode" = "2"
-        # iDisp-Link Freq 4: 96MHz, 3: 48MHz.
-	register "PchHdaIDispLinkFrequency" = "4"
-        # Not disconnected/enumerable
-	register "PchHdaIDispCodecDisconnect" = "0"
-
 
 	# TCSS USB3
 	register "TcssXhciEn" = "1"
diff --git a/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb b/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
index 8b4f8f8bbf..82f358e8b6 100644
--- a/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
+++ b/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
@@ -121,12 +121,6 @@ chip soc/intel/tigerlake
 	register "PchHdaAudioLinkSspEnable[1]" = "0"
 	register "PchHdaAudioLinkSspEnable[2]" = "1"
 	register "PchHdaAudioLinkSndwEnable[0]" = "1"
-	# iDisp-Link T-Mode 0: 2T, 2: 4T, 3: 8T, 4: 16T
-	register "PchHdaIDispLinkTmode" = "2"
-	# iDisp-Link Freq 4: 96MHz, 3: 48MHz.
-	register "PchHdaIDispLinkFrequency" = "4"
-	# Not disconnected/enumerable
-	register "PchHdaIDispCodecDisconnect" = "0"
 
 	# Intel Common SoC Config
 	register "common_soc_config" = "{
diff --git a/src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb b/src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb
index 9b5774bd1c..fec2fefa16 100644
--- a/src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb
+++ b/src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb
@@ -117,12 +117,6 @@ chip soc/intel/tigerlake
 	register "PchHdaAudioLinkSspEnable[1]" = "0"
 	register "PchHdaAudioLinkSspEnable[2]" = "1"
 	register "PchHdaAudioLinkSndwEnable[0]" = "1"
-	# iDisp-Link T-Mode 0: 2T, 2: 4T, 3: 8T, 4: 16T
-	register "PchHdaIDispLinkTmode" = "2"
-	# iDisp-Link Freq 4: 96MHz, 3: 48MHz.
-	register "PchHdaIDispLinkFrequency" = "4"
-	# Not disconnected/enumerable
-	register "PchHdaIDispCodecDisconnect" = "0"
 
 	# Intel Common SoC Config
 	register "common_soc_config" = "{
diff --git a/src/soc/intel/tigerlake/chip.h b/src/soc/intel/tigerlake/chip.h
index 26eab4c8fd..a3319d4ee4 100644
--- a/src/soc/intel/tigerlake/chip.h
+++ b/src/soc/intel/tigerlake/chip.h
@@ -96,9 +96,6 @@ struct soc_intel_tigerlake_config {
 	uint8_t PchHdaAudioLinkDmicEnable[MAX_HD_AUDIO_DMIC_LINKS];
 	uint8_t PchHdaAudioLinkSspEnable[MAX_HD_AUDIO_SSP_LINKS];
 	uint8_t PchHdaAudioLinkSndwEnable[MAX_HD_AUDIO_SNDW_LINKS];
-	uint8_t PchHdaIDispLinkTmode;
-	uint8_t PchHdaIDispLinkFrequency;
-	uint8_t PchHdaIDispCodecDisconnect;
 
 	/* PCIe Root Ports */
 	uint8_t PcieRpEnable[CONFIG_MAX_ROOT_PORTS];
diff --git a/src/soc/intel/tigerlake/romstage/fsp_params.c b/src/soc/intel/tigerlake/romstage/fsp_params.c
index 6056b4b0c1..b4521e2a61 100644
--- a/src/soc/intel/tigerlake/romstage/fsp_params.c
+++ b/src/soc/intel/tigerlake/romstage/fsp_params.c
@@ -165,9 +165,6 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg,
 			sizeof(m_cfg->PchHdaAudioLinkSspEnable));
 	memcpy(m_cfg->PchHdaAudioLinkSndwEnable, config->PchHdaAudioLinkSndwEnable,
 			sizeof(m_cfg->PchHdaAudioLinkSndwEnable));
-	m_cfg->PchHdaIDispLinkTmode = config->PchHdaIDispLinkTmode;
-	m_cfg->PchHdaIDispLinkFrequency = config->PchHdaIDispLinkFrequency;
-	m_cfg->PchHdaIDispCodecDisconnect = config->PchHdaIDispCodecDisconnect;
 
 	/* Vt-D config */
 	m_cfg->VtdDisable = 0;