diff --git a/core/types/transaction.go b/core/types/transaction.go
index 534e68ab49..d513d3233c 100644
--- a/core/types/transaction.go
+++ b/core/types/transaction.go
@@ -322,8 +322,6 @@ func (tx *Transaction) Cost() *big.Int {
 	total.Mul(total, tx.inner.gasPrice())
 	if blobtx, ok := tx.inner.(*BlobTx); ok {
 		tmp := new(big.Int).SetUint64(blobtx.blobGas())
-		// BlobFeeCap is uint256.Int; ToBig allocates, but blob txs are rarer and
-		// this still removes several other allocations compared to the old code.
 		tmp.Mul(tmp, blobtx.BlobFeeCap.ToBig())
 		total.Add(total, tmp)
 	}