diff --git a/p2p/enr/enr.go b/p2p/enr/enr.go
index a4b4ac1ab0..3cd99a0a47 100644
--- a/p2p/enr/enr.go
+++ b/p2p/enr/enr.go
@@ -34,7 +34,6 @@ var ()
 
 // The maximum encoded size of a node record is 300 bytes. Implementations should reject records larger than this size.
 const (
-	RECORD_MAX_SIZE     = 300
 	ID_SECP256k1_KECCAK = "secp256k1-keccak" // "secp256k1-keccak" identity scheme identifier
 )
 
@@ -266,7 +265,6 @@ func (r *Record) verifySignature() error {
 		return err
 	}
 
-	// get publickey from message and signature
 	sigcontent, err := r.serialisedContent()
 	if err != nil {
 		return err
diff --git a/rlp/encode.go b/rlp/encode.go
index 841a1a85f6..44592c2f53 100644
--- a/rlp/encode.go
+++ b/rlp/encode.go
@@ -136,10 +136,6 @@ func (head *listhead) encode(buf []byte) []byte {
 	return buf[:puthead(buf, 0xC0, 0xF7, uint64(head.size))]
 }
 
-func LengthPrefix(buf []byte, size uint64) []byte {
-	return buf[:puthead(buf, 0xC0, 0xF7, size)]
-}
-
 // headsize returns the size of a list or string header
 // for a value of the given size.
 func headsize(size uint64) int {