diff --git a/eth/protocols/eth/receipt.go b/eth/protocols/eth/receipt.go
index e51c02fa2a..96e8c4399b 100644
--- a/eth/protocols/eth/receipt.go
+++ b/eth/protocols/eth/receipt.go
@@ -194,18 +194,12 @@ func (rl *ReceiptList) EncodeForStorage() (rlp.RawValue, error) {
 // Derivable returns a DerivableList, which can be used to decode
 func (rl *ReceiptList) Derivable() types.DerivableList {
 	var bloomBuf [6]byte
-	write := writeReceiptForHash(&bloomBuf)
-	return newDerivableRawList(&rl.items, write)
-}
-
-// writeReceiptForHash returns a write function that encodes receipts for hash derivation.
-func writeReceiptForHash(bloomBuf *[6]byte) func([]byte, *bytes.Buffer) {
-	return func(data []byte, outbuf *bytes.Buffer) {
+	return newDerivableRawList(&rl.items, func(data []byte, outbuf *bytes.Buffer) {
 		var r Receipt
 		if r.decode(data) == nil {
-			r.encodeForHash(bloomBuf, outbuf)
+			r.encodeForHash(&bloomBuf, outbuf)
 		}
-	}
+	})
 }
 
 // blockReceiptsToNetwork takes a slice of rlp-encoded receipts, and transactions,