diff --git a/samples/sensor/fdc2x1x/src/main.c b/samples/sensor/fdc2x1x/src/main.c
index 04b40e9dfed..cb8f6e5a930 100644
--- a/samples/sensor/fdc2x1x/src/main.c
+++ b/samples/sensor/fdc2x1x/src/main.c
@@ -36,9 +36,6 @@ static void trigger_handler(const struct device *dev,
 #ifdef CONFIG_PM_DEVICE
 static void pm_info(enum pm_device_state state, int status)
 {
-	ARG_UNUSED(dev);
-	ARG_UNUSED(arg);
-
 	switch (state) {
 	case PM_DEVICE_STATE_ACTIVE:
 		printk("Enter ACTIVE_STATE ");
@@ -49,6 +46,8 @@ static void pm_info(enum pm_device_state state, int status)
 	case PM_DEVICE_STATE_OFF:
 		printk("Enter OFF_STATE ");
 		break;
+	default:
+		printk("Unknown power state");
 	}
 
 	if (status) {