diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index ddf20a00654e06310b46f4fb799af49a8374b3c4..ad4ab979507b94989e7a1cf318aa2d96ba32135d 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -2038,8 +2038,8 @@ static int mtk_cleanup(struct mtk_eth *eth)
 	return 0;
 }
 
-int mtk_get_link_ksettings(struct net_device *ndev,
-			   struct ethtool_link_ksettings *cmd)
+static int mtk_get_link_ksettings(struct net_device *ndev,
+				  struct ethtool_link_ksettings *cmd)
 {
 	struct mtk_mac *mac = netdev_priv(ndev);
 
@@ -2049,8 +2049,8 @@ int mtk_get_link_ksettings(struct net_device *ndev,
 	return phy_ethtool_ksettings_get(ndev->phydev, cmd);
 }
 
-int mtk_set_link_ksettings(struct net_device *ndev,
-			   const struct ethtool_link_ksettings *cmd)
+static int mtk_set_link_ksettings(struct net_device *ndev,
+				  const struct ethtool_link_ksettings *cmd)
 {
 	struct mtk_mac *mac = netdev_priv(ndev);