diff --git a/src/mainboard/google/rex/variants/karis/gpio.c b/src/mainboard/google/rex/variants/karis/gpio.c
index cc3aeb000e..e4a551dfb5 100644
--- a/src/mainboard/google/rex/variants/karis/gpio.c
+++ b/src/mainboard/google/rex/variants/karis/gpio.c
@@ -252,16 +252,16 @@ static const struct pad_config gpio_table[] = {
 	PAD_CFG_NF(GPP_F12, NONE, DEEP, NF5),
 	/* GPP_F13 : GSPI1_SOC_DI_FPMCU_DO_LS_R */
 	PAD_CFG_NF(GPP_F13, NONE, DEEP, NF5),
-	/* GPP_F14 : GSPI0_SOC_DO_TCHSCR_DI */
-	PAD_CFG_NF(GPP_F14, NONE, DEEP, NF8),
-	/* GPP_F15 : [] ==> GSPI0_SOC_DI_TCHSCR_DO */
-	PAD_CFG_NF(GPP_F15, NONE, DEEP, NF8),
-	/* GPP_F16 : [] ==> GSPI0_SOC_TCHSCR_CLK */
-	PAD_CFG_NF(GPP_F16, NONE, DEEP, NF8),
+	/* GPP_F14 : net NC. */
+	PAD_NC(GPP_F19, NONE),
+	/* GPP_F15 : net NC. */
+	PAD_NC(GPP_F19, NONE),
+	/* GPP_F16 : net NC. */
+	PAD_NC(GPP_F19, NONE),
 	/* GPP_F17 : [] ==> GSPI1_SOC_CS_L */
 	PAD_CFG_NF(GPP_F17, NONE, DEEP, NF5),
-	/* GPP_F18 : [] ==> GSPI0_SOC_TCHSCR_CS_L */
-	PAD_CFG_NF(GPP_F18, NONE, DEEP, NF8),
+	/* GPP_F18 : net NC. */
+	PAD_NC(GPP_F18, NONE),
 	/* GPP_F19 : [] ==> GPP_F19_STRAP */
 	PAD_NC(GPP_F19, NONE),
 	/* GPP_F20 : [] ==> GPP_F20_STRAP */
diff --git a/src/mainboard/google/rex/variants/karis/overridetree.cb b/src/mainboard/google/rex/variants/karis/overridetree.cb
index 37f84b2fc6..2fee812ff9 100644
--- a/src/mainboard/google/rex/variants/karis/overridetree.cb
+++ b/src/mainboard/google/rex/variants/karis/overridetree.cb
@@ -34,10 +34,6 @@ fw_config
 		option WIFI_CNVI		0
 		option WIFI_PCIE		1
 	end
-	field TOUCHSCREEN 19
-		option TOUCHSCREEN_I2C		0
-		option TOUCHSCREEN_I2C_SPI	1
-	end
 	field VPU 20
 		option VPU_DIS			0
 		option VPU_EN			1
@@ -73,7 +69,7 @@ chip soc/intel/meteorlake
 	}"
 
 	register "serial_io_gspi_mode" = "{
-		[PchSerialIoIndexGSPI0] = PchSerialIoPci,
+		[PchSerialIoIndexGSPI0] = PchSerialIoDisabled,
 		[PchSerialIoIndexGSPI1] = PchSerialIoPci,
 		[PchSerialIoIndexGSPI2] = PchSerialIoDisabled,
 	}"
@@ -421,9 +417,7 @@ chip soc/intel/meteorlake
 				register "generic.stop_off_delay_ms" = "2"
 				register "generic.has_power_resource" = "1"
 				register "hid_desc_reg_offset" = "0x01"
-				device i2c 10 on
-					probe TOUCHSCREEN TOUCHSCREEN_I2C
-				end
+				device i2c 10 on end
 			end
 			chip drivers/generic/gpio_keys
 				register "name" = ""PENH""
@@ -582,9 +576,6 @@ chip soc/intel/meteorlake
 				end
 			end
 		end	#PCIE6 WWAN card
-		device ref gspi0 on
-			probe TOUCHSCREEN TOUCHSCREEN_I2C_SPI
-		end
 		device ref gspi1 on
 			chip drivers/spi/acpi
 				register "name" = ""CRFP""