diff --git a/src/mainboard/google/rex/variants/karis/gpio.c b/src/mainboard/google/rex/variants/karis/gpio.c
index 0c5852e..2d9ba83 100644
--- a/src/mainboard/google/rex/variants/karis/gpio.c
+++ b/src/mainboard/google/rex/variants/karis/gpio.c
@@ -152,8 +152,8 @@
 	PAD_NC(GPP_D05, NONE),
 	/* GPP_D06 : net NC.  Test pad.*/
 	PAD_NC(GPP_D06, NONE),
-	/* GPP_D07 : [] ==> FPMCU_UWB_MUX_SEL */
-	PAD_CFG_GPO_LOCK(GPP_D07, 1, LOCK_CONFIG),
+	/* GPP_D07 : [] ==> FPMCU_UWB_MUX_SEL, test pad. */
+	PAD_NC(GPP_D07, NONE),
 	/* GPP_D08 : net NC.  Test pad. */
 	PAD_NC(GPP_D08, NONE),
 	/* GPP_D09 : [] ==> I2S_MCLK_R */
diff --git a/src/mainboard/google/rex/variants/karis/overridetree.cb b/src/mainboard/google/rex/variants/karis/overridetree.cb
index 11b19c6..ebc0f37 100644
--- a/src/mainboard/google/rex/variants/karis/overridetree.cb
+++ b/src/mainboard/google/rex/variants/karis/overridetree.cb
@@ -20,11 +20,6 @@
 		option FP_PRESENT		0
 		option FP_ABSENT		1
 	end
-	field UWB 16 17
-		option UWB_ABSENT		0
-		option UWB_BITBANG		1
-		option UWB_GSPI1		2
-	end
 	field WIFI 18
 		option WIFI_CNVI		0
 		option WIFI_PCIE		1