diff --git a/target/linux/generic/files/drivers/net/phy/rtl8306.c b/target/linux/generic/files/drivers/net/phy/rtl8306.c
index 6d09c1063c..31bc7589c4 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8306.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8306.c
@@ -1033,9 +1033,6 @@ rtl8306_read_status(struct phy_device *pdev)
 
 static struct phy_driver rtl8306_driver = {
 	.name		= "Realtek RTL8306S",
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,13,0))
-	.flags		= PHY_HAS_MAGICANEG,
-#endif
 	.phy_id		= RTL8306_MAGIC,
 	.phy_id_mask	= 0xffffffff,
 	.features	= PHY_BASIC_FEATURES,
diff --git a/target/linux/generic/files/drivers/net/phy/swconfig.c b/target/linux/generic/files/drivers/net/phy/swconfig.c
index e7da45d0f7..38fdab2d5c 100644
--- a/target/linux/generic/files/drivers/net/phy/swconfig.c
+++ b/target/linux/generic/files/drivers/net/phy/swconfig.c
@@ -594,12 +594,9 @@ swconfig_parse_ports(struct sk_buff *msg, struct nlattr *head,
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
 		if (nla_parse_nested_deprecated(tb, SWITCH_PORT_ATTR_MAX, nla,
 				port_policy, NULL))
-#elif LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)
-		if (nla_parse_nested(tb, SWITCH_PORT_ATTR_MAX, nla,
-				port_policy, NULL))
 #else
 		if (nla_parse_nested(tb, SWITCH_PORT_ATTR_MAX, nla,
-				port_policy))
+				port_policy, NULL))
 #endif
 			return -EINVAL;
 
@@ -623,10 +620,8 @@ swconfig_parse_link(struct sk_buff *msg, struct nlattr *nla,
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
 	if (nla_parse_nested_deprecated(tb, SWITCH_LINK_ATTR_MAX, nla, link_policy, NULL))
-#elif LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)
-	if (nla_parse_nested(tb, SWITCH_LINK_ATTR_MAX, nla, link_policy, NULL))
 #else
-	if (nla_parse_nested(tb, SWITCH_LINK_ATTR_MAX, nla, link_policy))
+	if (nla_parse_nested(tb, SWITCH_LINK_ATTR_MAX, nla, link_policy, NULL))
 #endif
 		return -EINVAL;
 
@@ -1110,9 +1105,6 @@ static struct genl_ops swconfig_ops[] = {
 };
 
 static struct genl_family switch_fam = {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0)
-	.id = GENL_ID_GENERATE,
-#endif
 	.name = "switch",
 	.hdrsize = 0,
 	.version = 1,
@@ -1298,11 +1290,7 @@ swconfig_init(void)
 {
 	INIT_LIST_HEAD(&swdevs);
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0)
-	return genl_register_family_with_ops(&switch_fam, swconfig_ops);
-#else
 	return genl_register_family(&switch_fam);
-#endif
 }
 
 static void __exit