diff --git a/core/types/transaction.go b/core/types/transaction.go
index a9e3903881..e99519d5c7 100644
--- a/core/types/transaction.go
+++ b/core/types/transaction.go
@@ -39,11 +39,6 @@ var (
 	ErrTxTypeNotSupported   = errors.New("transaction type not supported")
 	ErrGasFeeCapTooLow      = errors.New("fee cap less than base fee")
 	errShortTypedTx         = errors.New("typed transaction too short")
-	errInvalidYParity       = errors.New("'yParity' field must be 0 or 1")
-	errVYParityMismatch     = errors.New("'v' and 'yParity' fields do not match")
-	errVYParityMissing      = errors.New("missing 'yParity' or 'v' field in transaction")
-	errNoSigner             = errors.New("missing signing methods")
-	ErrFeeCapTooLow         = errors.New("fee cap less than base fee")
 
 	skipNonceDestinationAddress = map[common.Address]bool{
 		common.XDCXAddrBinary:                         true,