diff --git a/src/mainboard/google/rauru/Makefile.mk b/src/mainboard/google/rauru/Makefile.mk
index 0d44451727..b13c77ecf6 100644
--- a/src/mainboard/google/rauru/Makefile.mk
+++ b/src/mainboard/google/rauru/Makefile.mk
@@ -11,7 +11,6 @@ romstage-y += romstage.c
 ramstage-y += boardid.c
 ramstage-y += mainboard.c
 ramstage-y += panel.c
-ramstage-y += panel_tps65132s.c
 ramstage-y += regulator.c
 
 ramstage-$(CONFIG_BOARD_GOOGLE_SAPPHIRE) += panel_sapphire.c
diff --git a/src/mainboard/google/rauru/panel.h b/src/mainboard/google/rauru/panel.h
index 954a2e8405..d44ff10774 100644
--- a/src/mainboard/google/rauru/panel.h
+++ b/src/mainboard/google/rauru/panel.h
@@ -3,22 +3,10 @@
 #ifndef __MAINBOARD_GOOGLE_RAURU_PANEL_H__
 #define __MAINBOARD_GOOGLE_RAURU_PANEL_H__
 
-#include <gpio.h>
 #include <soc/display.h>
-#include <soc/i2c.h>
-#include <soc/tps65132s.h>
-
-#define PMIC_TRS65132S_SLAVE	0x3e
-#define PMIC_I2C_BUS		I2C7
-
-struct tps65132s_config {
-	uint32_t i2c_bus;
-	gpio_t en;
-};
 
 uint32_t panel_id(void);
 void configure_backlight(bool enable);
-void tps65132s_power_on(struct tps65132s_cfg *config);
 
 /* Return the MIPI panel description */
 struct panel_description *get_panel_description(void);
diff --git a/src/mainboard/google/rauru/panel_sapphire.c b/src/mainboard/google/rauru/panel_sapphire.c
index a832f7d6d1..829ef0c54f 100644
--- a/src/mainboard/google/rauru/panel_sapphire.c
+++ b/src/mainboard/google/rauru/panel_sapphire.c
@@ -1,19 +1,27 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <console/console.h>
-#include <soc/tps65132s.h>
+#include <delay.h>
+#include <gpio.h>
+#include <soc/mt6363.h>
 
 #include "gpio.h"
 #include "panel.h"
 
 static void mipi_panel_power_on(void)
 {
-	struct tps65132s_cfg config = {
-		.i2c_bus = PMIC_I2C_BUS,
-		.en = GPIO_EN_PP3300_EDP_X,
-		.sync = GPIO_EN_PPVAR_MIPI_DISP,
-	};
-	tps65132s_power_on(&config);
+	mt6363_enable_vrf18(true); /* VDD */
+	mdelay(3); /* tsVSP */
+	gpio_output(GPIO_EN_PP3300_EDP_X, 1); /* AVDD */
+	mdelay(2); /* tPON1 */
+	gpio_output(GPIO_EN_PPVAR_MIPI_DISP, 1); /* AVEE */
+	mdelay(2);
+	mdelay(10); /* tRW */
+	gpio_output(GPIO_LCM_RST_1V8_L, 1); /* RESX */
+	mdelay(5);
+	gpio_output(GPIO_LCM_RST_1V8_L, 0);
+	mdelay(5);
+	gpio_output(GPIO_LCM_RST_1V8_L, 1);
 }
 
 static struct panel_description sapphire_panels[] = {
diff --git a/src/mainboard/google/rauru/panel_tps65132s.c b/src/mainboard/google/rauru/panel_tps65132s.c
deleted file mode 100644
index 85677ea02d..0000000000
--- a/src/mainboard/google/rauru/panel_tps65132s.c
+++ /dev/null
@@ -1,38 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#include <console/console.h>
-#include <delay.h>
-#include <gpio.h>
-#include <soc/regulator.h>
-#include <soc/tps65132s.h>
-#include <soc/mt6363.h>
-
-#include "gpio.h"
-#include "panel.h"
-
-void tps65132s_power_on(struct tps65132s_cfg *config)
-{
-	const struct tps65132s_reg_setting reg_settings[] = {
-		{ PMIC_TPS65132_VPOS, 0x14, 0x1F },
-		{ PMIC_TPS65132_VNEG, 0x14, 0x1F },
-		{ PMIC_TPS65132_DLYX, 0x95, 0xFF },
-		{ PMIC_TPS65132_ASSDD, 0x5B, 0xFF },
-	};
-
-	mt6363_enable_vrf18(true);
-	config->settings = reg_settings;
-	config->setting_counts = ARRAY_SIZE(reg_settings);
-
-	mtk_i2c_bus_init(config->i2c_bus, I2C_SPEED_FAST);
-
-	if (tps65132s_setup(config) != CB_SUCCESS)
-		printk(BIOS_ERR, "Failed to set up tps65132s\n");
-
-	/* DISP_RST_1V8_L */
-	mdelay(10);
-	gpio_output(GPIO_LCM_RST_1V8_L, 1);
-	mdelay(10);
-	gpio_output(GPIO_LCM_RST_1V8_L, 0);
-	mdelay(10);
-	gpio_output(GPIO_LCM_RST_1V8_L, 1);
-}
diff --git a/src/soc/mediatek/mt8196/Makefile.mk b/src/soc/mediatek/mt8196/Makefile.mk
index 1a6159079e..dacbd855b0 100644
--- a/src/soc/mediatek/mt8196/Makefile.mk
+++ b/src/soc/mediatek/mt8196/Makefile.mk
@@ -90,7 +90,6 @@ ramstage-y += ../common/pmif_clk.c pmif_clk.c
 ramstage-y += ../common/pmif.c pmif_init.c
 ramstage-y += ../common/pmif_spmi_v2.c pmif_spmi.c
 ramstage-y += ../common/rtc.c ../common/rtc_osc_init.c
-ramstage-y += ../common/tps65132s.c
 ramstage-y += ../common/usb.c usb.c
 
 BL31_MAKEARGS += PLAT=mt8196