diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c
index 519ea14..d69a9ff 100644
--- a/drivers/net/tsec.c
+++ b/drivers/net/tsec.c
@@ -156,7 +156,7 @@
 	return 0;
 }
 
-static int tsec_set_promisc(struct udevice *dev, bool enable)
+static int __maybe_unused tsec_set_promisc(struct udevice *dev, bool enable)
 {
 	struct tsec_private *priv = dev_get_priv(dev);
 	struct tsec __iomem *regs = priv->regs;