diff --git a/src/mainboard/google/kahlee/variants/baseboard/mainboard.c b/src/mainboard/google/kahlee/variants/baseboard/mainboard.c
index b1bd4928d2..cf38b99073 100644
--- a/src/mainboard/google/kahlee/variants/baseboard/mainboard.c
+++ b/src/mainboard/google/kahlee/variants/baseboard/mainboard.c
@@ -17,8 +17,6 @@
 #include <baseboard/variants.h>
 #include <gpio.h>
 #include <variant/gpio.h>
-#include <device/pci.h>
-#include <drivers/generic/bayhub/bh720.h>
 
 uint8_t variant_board_sku(void)
 {
@@ -37,26 +35,3 @@ void variant_mainboard_suspend_resume(void)
 	gpio_set(GPIO_133, 0);
 }
 #endif
-
-void bh720_driving_strength(struct device *dev)
-{
-	u32 sdbar;
-	u32 bh720_pcr_data;
-
-	sdbar = pci_read_config32(dev, PCI_BASE_ADDRESS_1);
-
-	/* Enable Memory Access Function */
-	write32((void *)(sdbar + BH720_MEM_ACCESS_EN), 0x40000000);
-	write32((void *)(sdbar + BH720_MEM_RW_DATA), 0x80000000);
-	write32((void *)(sdbar + BH720_MEM_RW_ADR), 0x800000D0);
-
-	/* Read current EMMC 1.8V CLK/DATA,CMD driving strength */
-	write32((void *)(sdbar + BH720_MEM_RW_ADR), 0x40000304);
-	bh720_pcr_data = read32((void *)(sdbar + BH720_MEM_RW_DATA));
-
-	/* set EMMC 1.8V CLK/DATA,CMD the max level */
-	write32((void *)(sdbar + BH720_MEM_RW_DATA),
-		bh720_pcr_data | (BH720_PCR_CLK_DRV_MAX << 4) |
-		(BH720_PCR_DATA_CMD_DRV_MAX << 1));
-	write32((void *)(sdbar + BH720_MEM_RW_ADR), 0x80000304);
-}