diff --git a/board/grunt/gpio.inc b/board/grunt/gpio.inc
index 4fae22910c..6fee3bce08 100644
--- a/board/grunt/gpio.inc
+++ b/board/grunt/gpio.inc
@@ -87,11 +87,11 @@ GPIO(SKU_ID2,			PIN(4, 1), GPIO_INPUT)
 
 /* Alternate functions GPIO definitions */
 ALTERNATE(PIN_MASK(6, 0x30), 0, MODULE_UART, GPIO_PULL_UP)			/* UART from EC to Servo */
-ALTERNATE(PIN_MASK(B, 0x30), 1, MODULE_I2C, GPIO_PULL_UP)			/* I2C0 */
-ALTERNATE(PIN_MASK(9, 0x07), 1, MODULE_I2C, GPIO_PULL_UP)			/* I2C1 SCL / I2C2 */
-ALTERNATE(PIN_MASK(8, 0x80), 1, MODULE_I2C, GPIO_PULL_UP)			/* I2C1 SDA */
-ALTERNATE(PIN_MASK(D, 0x03), 1, MODULE_I2C, GPIO_PULL_UP)			/* I2C3 */
-ALTERNATE(PIN_MASK(B, 0x0C), 1, MODULE_I2C, GPIO_PULL_UP)			/* I2C7 */
+ALTERNATE(PIN_MASK(B, 0x30), 1, MODULE_I2C, 0)					/* I2C0 */
+ALTERNATE(PIN_MASK(9, 0x07), 1, MODULE_I2C, 0)					/* I2C1 SCL / I2C2 */
+ALTERNATE(PIN_MASK(8, 0x80), 1, MODULE_I2C, 0)					/* I2C1 SDA */
+ALTERNATE(PIN_MASK(D, 0x03), 1, MODULE_I2C, 0)					/* I2C3 */
+ALTERNATE(PIN_MASK(B, 0x0C), 1, MODULE_I2C, 0)					/* I2C7 */
 ALTERNATE(PIN_MASK(4, 0x30), 1, MODULE_ADC, 0)					/* ADC0-1 */
 
 /* Keyboard Pins */