diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-pxs2.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-pxs2.c
index cfec877588686d57dfe403226ab9773c8fa1cd54..0dbfdc750adfb7671db83557e6dc82492eeaa674 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-pxs2.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-pxs2.c
@@ -96,11 +96,9 @@ static const char * const uniphier_pxs2_functions[] = {
 	"nand",
 	"sd",
 	"uart0",
-	"uart0b",
 	"uart1",
 	"uart2",
 	"uart3",
-	"uart3b",
 	"usb0",
 	"usb1",
 	"usb2",