diff --git a/consensus/lcp/api.go b/consensus/lcp/api.go
index 1320d6c9c8..73d70cc5a4 100644
--- a/consensus/lcp/api.go
+++ b/consensus/lcp/api.go
@@ -21,7 +21,6 @@ import (
 	"github.com/pavelkrolevets/go-ethereum/consensus"
 	"github.com/pavelkrolevets/go-ethereum/core/types"
 	"github.com/pavelkrolevets/go-ethereum/rpc"
-	"github.com/pavelkrolevets/go-ethereum/trie"
 	"math/big"
 )
 
@@ -44,7 +43,7 @@ func (api *API) GetValidators(number *rpc.BlockNumber) ([]common.Address, error)
 		return nil, errUnknownBlock
 	}
 
-	epochTrie, err := types.NewEpochTrie(header.LCPContext.EpochHash, trie.NewDatabase(api.lcp.db))
+	epochTrie, err := types.NewEpochTrie(header.LCPContext.EpochHash, api.lcp.db)
 	if err != nil {
 		return nil, err
 	}
diff --git a/consensus/lcp/epoch_context_test.go b/consensus/lcp/epoch_context_test.go
index 97cf77db26..5eb7399e64 100644
--- a/consensus/lcp/epoch_context_test.go
+++ b/consensus/lcp/epoch_context_test.go
@@ -8,8 +8,6 @@ import (
 	"github.com/pavelkrolevets/go-ethereum/core/state"
 	"github.com/pavelkrolevets/go-ethereum/core/types"
 	"github.com/pavelkrolevets/go-ethereum/ethdb"
-	"github.com/pavelkrolevets/go-ethereum/trie"
-
 	"github.com/stretchr/testify/assert"
 	//types2 "github.com/pavelkrolevets/go-ethereum/core/types"
 )
@@ -32,9 +30,9 @@ func TestEpochContextCountVotes(t *testing.T) {
 	}
 	balance := int64(5)
 	db := ethdb.NewMemDatabase()
-	bdb := trie.NewDatabase(db)
+	//bdb := trie.NewDatabase(db)
 	stateDB, _ := state.New(common.Hash{}, state.NewDatabase(db))
-	LCPContext, err := types.NewLCPContext(bdb)
+	LCPContext, err := types.NewLCPContext(db)
 	assert.Nil(t, err)
 
 	epochContext := &EpochContext{
diff --git a/consensus/lcp/lcp.go b/consensus/lcp/lcp.go
index 9f0bc697f3..2812136cba 100644
--- a/consensus/lcp/lcp.go
+++ b/consensus/lcp/lcp.go
@@ -235,7 +235,7 @@ func (d *LCP) verifySeal(chain consensus.ChainReader, header *types.Header, pare
 	} else {
 		parent = chain.GetHeader(header.ParentHash, number-1)
 	}
-	dposContext, err := types.NewLCPContextFromProto(trie.NewDatabase(d.db), parent.LCPContext)
+	dposContext, err := types.NewLCPContextFromProto(d.db, parent.LCPContext)
 	if err != nil {
 		return err
 	}
@@ -401,7 +401,7 @@ func (d *LCP) CheckValidator(lastBlock *types.Block, now int64) error {
 	if err := d.checkDeadline(lastBlock, now); err != nil {
 		return err
 	}
-	dposContext, err := types.NewLCPContextFromProto(trie.NewDatabase(d.db), lastBlock.Header().LCPContext)
+	dposContext, err := types.NewLCPContextFromProto(d.db, lastBlock.Header().LCPContext)
 	if err != nil {
 		return err
 	}