diff --git a/graphql/graphql.go b/graphql/graphql.go
index 7aa427b458bf7..b407ab425f184 100644
--- a/graphql/graphql.go
+++ b/graphql/graphql.go
@@ -566,16 +566,6 @@ func (t *Transaction) V(ctx context.Context) hexutil.Big {
 	return hexutil.Big(*v)
 }
 
-func (t *Transaction) YParity(ctx context.Context) (*hexutil.Uint64, error) {
-	tx, _ := t.resolve(ctx)
-	if tx == nil || tx.Type() == types.LegacyTxType {
-		return nil, nil
-	}
-	v, _, _ := tx.RawSignatureValues()
-	ret := hexutil.Uint64(v.Int64())
-	return &ret, nil
-}
-
 func (t *Transaction) Raw(ctx context.Context) (hexutil.Bytes, error) {
 	tx, _ := t.resolve(ctx)
 	if tx == nil {
diff --git a/graphql/schema.go b/graphql/schema.go
index 5de5bad305e85..a4eeb47daddfc 100644
--- a/graphql/schema.go
+++ b/graphql/schema.go
@@ -151,7 +151,6 @@ const schema string = `
         r: BigInt!
         s: BigInt!
         v: BigInt!
-        yParity: Long
         # Envelope transaction support
         type: Long
         accessList: [AccessTuple!]