diff --git a/core/block_manager.go b/core/block_manager.go
index 6f952f9f8a..80b2542b53 100644
--- a/core/block_manager.go
+++ b/core/block_manager.go
@@ -90,14 +90,6 @@ func NewBlockManager(ethereum EthManager) *BlockManager {
 	return sm
 }
 
-func (self *BlockManager) Start() {
-	statelogger.Debugln("Starting block manager")
-}
-
-func (self *BlockManager) Stop() {
-	statelogger.Debugln("Stopping state manager")
-}
-
 func (sm *BlockManager) CurrentState() *state.StateDB {
 	return sm.eth.ChainManager().CurrentBlock.State()
 }
@@ -106,20 +98,6 @@ func (sm *BlockManager) TransState() *state.StateDB {
 	return sm.transState
 }
 
-func (sm *BlockManager) MiningState() *state.StateDB {
-	return sm.miningState
-}
-
-func (sm *BlockManager) NewMiningState() *state.StateDB {
-	sm.miningState = sm.eth.ChainManager().CurrentBlock.State().Copy()
-
-	return sm.miningState
-}
-
-func (sm *BlockManager) ChainManager() *ChainManager {
-	return sm.bc
-}
-
 func (sm *BlockManager) TransitionState(statedb *state.StateDB, parent, block *types.Block) (receipts types.Receipts, err error) {
 	coinbase := statedb.GetOrNewStateObject(block.Coinbase)
 	coinbase.SetGasPool(block.CalcGasLimit(parent))
diff --git a/ethereum.go b/ethereum.go
index 94e46b5562..e8b1a9500c 100644
--- a/ethereum.go
+++ b/ethereum.go
@@ -393,7 +393,6 @@ func (s *Ethereum) reapDeadPeerHandler() {
 // Start the ethereum
 func (s *Ethereum) Start(seed bool) {
 	s.blockPool.Start()
-	s.blockManager.Start()
 
 	// Bind to addr and port
 	ln, err := net.Listen("tcp", ":"+s.Port)
@@ -517,7 +516,6 @@ func (s *Ethereum) Stop() {
 		s.RpcServer.Stop()
 	}
 	s.txPool.Stop()
-	s.blockManager.Stop()
 	s.blockPool.Stop()
 
 	loggerger.Infoln("Server stopped")