diff --git a/cmd/internal/switcher/sonic/db/asicdb.go b/cmd/internal/switcher/sonic/db/asicdb.go
index d9fa1ca1..398a5d34 100644
--- a/cmd/internal/switcher/sonic/db/asicdb.go
+++ b/cmd/internal/switcher/sonic/db/asicdb.go
@@ -55,13 +55,3 @@ func (d *AsicDB) ExistRouterInterface(ctx context.Context, rif OID) (bool, error
 
 	return d.c.Exists(ctx, key)
 }
-
-func (d *AsicDB) InFecModeRs(ctx context.Context, port OID) (bool, error) {
-	key := Key{"ASIC_STATE", "SAI_OBJECT_TYPE_PORT", string(port)}
-
-	result, err := d.c.HGet(ctx, key, "SAI_PORT_ATTR_FEC_MODE")
-	if err != nil {
-		return false, err
-	}
-	return result == "SAI_PORT_FEC_MODE_RS", err
-}
diff --git a/cmd/internal/switcher/sonic/db/configdb.go b/cmd/internal/switcher/sonic/db/configdb.go
index f74107d4..3f7f8754 100644
--- a/cmd/internal/switcher/sonic/db/configdb.go
+++ b/cmd/internal/switcher/sonic/db/configdb.go
@@ -18,9 +18,6 @@ const (
 	adminStatusUp   = "up"
 	adminStatusDown = "down"
 	mtu             = "mtu"
-	fec             = "fec"
-	fecRS           = "rs"
-	fecNone         = "none"
 )
 
 type ConfigDB struct {
@@ -30,7 +27,6 @@ type ConfigDB struct {
 type Port struct {
 	AdminStatus bool
 	Mtu         string
-	FecRs       bool
 }
 
 func newConfigDB(addr string, id int, sep string) *ConfigDB {
@@ -182,23 +178,9 @@ func (d *ConfigDB) GetPort(ctx context.Context, interfaceName string) (*Port, er
 	return &Port{
 		AdminStatus: result[adminStatus] == adminStatusUp,
 		Mtu:         result[mtu],
-		FecRs:       result[fec] == fecRS,
 	}, nil
 }
 
-func (d *ConfigDB) SetPortFecMode(ctx context.Context, interfaceName string, isFecRs bool) error {
-	key := Key{portTable, interfaceName}
-
-	var mode string
-	if isFecRs {
-		mode = fecRS
-	} else {
-		mode = fecNone
-	}
-
-	return d.c.HSet(ctx, key, Val{fec: mode})
-}
-
 func (d *ConfigDB) SetPortMtu(ctx context.Context, interfaceName string, val string) error {
 	key := Key{portTable, interfaceName}