diff --git a/drivers/pinctrl/realtek/pinctrl-rtd1315e.c b/drivers/pinctrl/realtek/pinctrl-rtd1315e.c
index 5ab35d73e6f4..10afc736a52b 100644
--- a/drivers/pinctrl/realtek/pinctrl-rtd1315e.c
+++ b/drivers/pinctrl/realtek/pinctrl-rtd1315e.c
@@ -227,8 +227,9 @@ static const struct pinctrl_pin_desc rtd1315e_iso_pins[] = {
 	PINCTRL_PIN(RTD1315E_ISO_TESTMODE, "testmode"),
 };
 
+/* Tagged as __maybe_unused since there are pins we may use in the future */
 #define DECLARE_RTD1315E_PIN(_pin, _name) \
-	static const unsigned int rtd1315e_## _name ##_pins[] = { _pin }
+	static const unsigned int rtd1315e_## _name ##_pins[] __maybe_unused = { _pin }
 
 DECLARE_RTD1315E_PIN(RTD1315E_ISO_GPIO_0, gpio_0);
 DECLARE_RTD1315E_PIN(RTD1315E_ISO_GPIO_1, gpio_1);
diff --git a/drivers/pinctrl/realtek/pinctrl-rtd1319d.c b/drivers/pinctrl/realtek/pinctrl-rtd1319d.c
index 838a447776ba..b1a654ac30dc 100644
--- a/drivers/pinctrl/realtek/pinctrl-rtd1319d.c
+++ b/drivers/pinctrl/realtek/pinctrl-rtd1319d.c
@@ -233,8 +233,9 @@ static const struct pinctrl_pin_desc rtd1319d_iso_pins[] = {
 	PINCTRL_PIN(RTD1319D_ISO_TESTMODE, "testmode"),
 };
 
+/* Tagged as __maybe_unused since there are pins we may use in the future */
 #define DECLARE_RTD1319D_PIN(_pin, _name) \
-	static const unsigned int rtd1319d_## _name ##_pins[] = { _pin }
+	static const unsigned int rtd1319d_## _name ##_pins[] __maybe_unused = { _pin }
 
 DECLARE_RTD1319D_PIN(RTD1319D_ISO_GPIO_0, gpio_0);
 DECLARE_RTD1319D_PIN(RTD1319D_ISO_GPIO_1, gpio_1);