diff --git a/core/block_manager.go b/core/block_manager.go
index f6c73bc2ca..98c6d006d9 100644
--- a/core/block_manager.go
+++ b/core/block_manager.go
@@ -58,8 +58,8 @@ type BlockManager struct {
 	mem map[string]*big.Int
 	// Proof of work used for validating
 	Pow pow.PoW
-	// The ethereum manager interface
-	eth EthManager
+
+	txpool *TxPool
 
 	// The last attempted block is mainly used for debugging purposes
 	// This does not have to be a valid block and will be set during
@@ -71,13 +71,13 @@ type BlockManager struct {
 	eventMux *event.TypeMux
 }
 
-func NewBlockManager(ethereum EthManager) *BlockManager {
+func NewBlockManager(txpool *TxPool, chainManager *ChainManager, eventMux *event.TypeMux) *BlockManager {
 	sm := &BlockManager{
 		mem:      make(map[string]*big.Int),
 		Pow:      ezp.New(),
-		eth:      ethereum,
-		bc:       ethereum.ChainManager(),
-		eventMux: ethereum.EventMux(),
+		bc:       chainManager,
+		eventMux: eventMux,
+		txpool:   txpool,
 	}
 
 	return sm
@@ -240,7 +240,7 @@ func (sm *BlockManager) ProcessWithParent(block, parent *types.Block) (td *big.I
 
 		chainlogger.Infof("Processed block #%d (%x...)\n", block.Number, block.Hash()[0:4])
 
-		sm.eth.TxPool().RemoveSet(block.Transactions())
+		sm.txpool.RemoveSet(block.Transactions())
 
 		return td, messages, nil
 	} else {