diff --git a/drivers/pinctrl/pinctrl-lpc18xx.c b/drivers/pinctrl/pinctrl-lpc18xx.c
index e053f1fa5512..ab2a451f3156 100644
--- a/drivers/pinctrl/pinctrl-lpc18xx.c
+++ b/drivers/pinctrl/pinctrl-lpc18xx.c
@@ -630,14 +630,8 @@ static const struct pinctrl_pin_desc lpc18xx_pins[] = {
 	LPC18XX_PIN(i2c0_sda, PIN_I2C0_SDA),
 };
 
-/**
- * enum lpc18xx_pin_config_param - possible pin configuration parameters
- * @PIN_CONFIG_GPIO_PIN_INT: route gpio to the gpio pin interrupt
- * 	controller.
- */
-enum lpc18xx_pin_config_param {
-	PIN_CONFIG_GPIO_PIN_INT = PIN_CONFIG_END + 1,
-};
+/* PIN_CONFIG_GPIO_PIN_INT: route gpio to the gpio pin interrupt controller */
+#define PIN_CONFIG_GPIO_PIN_INT		(PIN_CONFIG_END + 1)
 
 static const struct pinconf_generic_params lpc18xx_params[] = {
 	{"nxp,gpio-pin-interrupt", PIN_CONFIG_GPIO_PIN_INT, 0},