diff --git a/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/common.c b/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/common.c
index 3dceb93e35..502c130d6f 100644
--- a/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/common.c
+++ b/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/common.c
@@ -349,19 +349,6 @@ static int __init rtl83xx_mdio_probe(struct rtl838x_switch_priv *priv)
 			continue;
 		}
 
-		/*
-		 * TODO: phylink_pcs was completely converted to the standalone PCS driver - see
-		 * rtpcs_create(). Nevertheless the DSA driver still relies on the info about the
-		 * attached SerDes. As soon as the PCS driver can completely configure the SerDes
-		 * this is no longer needed.
-		 */
-
-		priv->ports[pn].sds_num = -1;
-		if (pcs_node)
-			of_property_read_u32(pcs_node, "reg", &priv->ports[pn].sds_num);
-		if (priv->ports[pn].sds_num >= 0)
-			dev_dbg(priv->dev, "port %d has SDS %d\n", pn, priv->ports[pn].sds_num);
-
 		if (of_get_phy_mode(dn, &interface))
 			interface = PHY_INTERFACE_MODE_NA;
 		if (interface == PHY_INTERFACE_MODE_10G_QXGMII)
diff --git a/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/dsa.c b/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/dsa.c
index 06909d205f..0e34116376 100644
--- a/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/dsa.c
+++ b/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/dsa.c
@@ -548,26 +548,6 @@ static int rtl93xx_setup(struct dsa_switch *ds)
 	return 0;
 }
 
-static int rtl93xx_get_sds(struct phy_device *phydev)
-{
-	struct device *dev = &phydev->mdio.dev;
-	struct device_node *dn;
-	u32 sds_num;
-
-	if (!dev)
-		return -1;
-	if (dev->of_node) {
-		dn = dev->of_node;
-		if (of_property_read_u32(dn, "sds", &sds_num))
-			sds_num = -1;
-	} else {
-		dev_err(dev, "No DT node.\n");
-		return -1;
-	}
-
-	return sds_num;
-}
-
 static struct phylink_pcs *rtldsa_phylink_mac_select_pcs(struct dsa_switch *ds,
 							 int port,
 							 phy_interface_t interface)
@@ -692,12 +672,8 @@ static void rtl931x_phylink_mac_config(struct dsa_switch *ds, int port,
 					const struct phylink_link_state *state)
 {
 	struct rtl838x_switch_priv *priv = ds->priv;
-	int sds_num;
 	u32 reg;
 
-	sds_num = priv->ports[port].sds_num;
-	pr_info("%s: speed %d sds_num %d\n", __func__, state->speed, sds_num);
-
 	reg = sw_r32(priv->r->mac_force_mode_ctrl(port));
 	pr_info("%s reading FORCE_MODE_CTRL: %08x\n", __func__, reg);
 
@@ -1416,9 +1392,6 @@ static int rtldsa_port_enable(struct dsa_switch *ds, int port, struct phy_device
 		sw_w32_mask(0, BIT(port), RTL930X_L2_PORT_DABLK_CTRL);
 	}
 
-	if (priv->ports[port].sds_num < 0)
-		priv->ports[port].sds_num = rtl93xx_get_sds(phydev);
-
 	return 0;
 }
 
diff --git a/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl838x.h b/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl838x.h
index a361b8e948..5dba9d5fef 100644
--- a/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl838x.h
+++ b/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl838x.h
@@ -688,7 +688,6 @@ struct rtl838x_port {
 	u16 pvid;
 	bool eee_enabled;
 	enum phy_type phy;
-	int sds_num;
 	int led_set;
 	int leds_on_this_port;
 	struct rtldsa_counter_state counters;