1 files changed, 0 insertions, 20 deletions
diff --git a/ethchain/derive_sha.go b/ethchain/derive_sha.go
deleted file mode 100644
index b41252e39..000000000
--- a/ethchain/derive_sha.go
+++ /dev/null
@@ -1,20 +0,0 @@
-package ethchain
-
-import (
-	"github.com/ethereum/go-ethereum/ethtrie"
-	"github.com/ethereum/go-ethereum/ethutil"
-)
-
-type DerivableList interface {
-	Len() int
-	GetRlp(i int) []byte
-}
-
-func DeriveSha(list DerivableList) []byte {
-	trie := ethtrie.New(ethutil.Config.Db, "")
-	for i := 0; i < list.Len(); i++ {
-		trie.Update(string(ethutil.NewValue(i).Encode()), string(list.GetRlp(i)))
-	}
-
-	return trie.GetRoot()
-}