diff --git a/core/stateless/encoding.go b/core/stateless/encoding.go
index 8aa98a0682..750b78798a 100644
--- a/core/stateless/encoding.go
+++ b/core/stateless/encoding.go
@@ -17,12 +17,10 @@
 package stateless
 
 import (
-	"io"
 	"slices"
 
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core/types"
-	"github.com/ethereum/go-ethereum/rlp"
 )
 
 // ToExtWitness converts our internal witness representation to the consensus one.
@@ -34,16 +32,6 @@ func (w *Witness) ToExtWitness() *ExtWitness {
 	}
 }
 
-// EncodeRLP serializes a witness as RLP.
-func (w *Witness) EncodeRLP(wr io.Writer) error {
-	return rlp.Encode(wr, w)
-}
-
-// DecodeRLP decodes a witness from RLP.
-func (w *Witness) DecodeRLP(s *rlp.Stream) error {
-	return s.Decode(&w)
-}
-
 // ExtWitness is a witness RLP encoding for transferring across clients.
 type ExtWitness struct {
 	Headers []*types.Header `json:"headers"`