diff --git a/ethereum.go b/ethereum.go
index 77a7c92c7..a6cb78b1f 100644
--- a/ethereum.go
+++ b/ethereum.go
@@ -113,24 +113,6 @@ func New(caps Caps, usePnp bool) (*Ethereum, error) {
 	return ethereum, nil
 }
 
-// Replay block
-func (self *Ethereum) BlockDo(hash []byte) error {
-	block := self.blockChain.GetBlock(hash)
-	if block == nil {
-		return fmt.Errorf("unknown block %x", hash)
-	}
-
-	parent := self.blockChain.GetBlock(block.PrevHash)
-
-	_, err := self.stateManager.ApplyDiff(parent.State(), parent, block)
-	if err != nil {
-		return err
-	}
-
-	return nil
-
-}
-
 func (s *Ethereum) Reactor() *ethutil.ReactorEngine {
 	return s.reactor
 }