diff --git a/cmd/tomo/config.go b/cmd/tomo/config.go
index ce9dc564b8..f6c6c11542 100644
--- a/cmd/tomo/config.go
+++ b/cmd/tomo/config.go
@@ -24,19 +24,18 @@ import (
 	"os"
 	"reflect"
 	"unicode"
-
+	"strings"
 	"gopkg.in/urfave/cli.v1"
 
 	"github.com/ethereum/go-ethereum/cmd/utils"
 	"github.com/ethereum/go-ethereum/dashboard"
 	"github.com/ethereum/go-ethereum/eth"
 	"github.com/ethereum/go-ethereum/internal/debug"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/params"
 	whisper "github.com/ethereum/go-ethereum/whisper/whisperv6"
 	"github.com/naoina/toml"
-	"strings"
-	"github.com/ethereum/go-ethereum/log"
 )
 
 var (
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index f029186ce3..5f038750e2 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -653,7 +653,7 @@ func setListenAddress(ctx *cli.Context, cfg *p2p.Config) {
 // setNAT creates a port mapper from command line flags.
 func setNAT(ctx *cli.Context, cfg *p2p.Config) {
 	if ctx.GlobalIsSet(NATFlag.Name) {
-		log.Info("NAT is setted","value",ctx.GlobalString(NATFlag.Name))
+		log.Info("NAT is setted", "value", ctx.GlobalString(NATFlag.Name))
 		natif, err := nat.Parse(ctx.GlobalString(NATFlag.Name))
 		if err != nil {
 			Fatalf("Option %s: %v", NATFlag.Name, err)
diff --git a/consensus/posv/posv.go b/consensus/posv/posv.go
index b92ecccdc5..950ad32059 100644
--- a/consensus/posv/posv.go
+++ b/consensus/posv/posv.go
@@ -769,21 +769,10 @@ func (c *Posv) Seal(chain consensus.ChainReader, block *types.Block, stop <-chan
 			}
 		}
 	}
-	// Sweet, the protocol permits us to sign the block, wait for our time
-	delay := time.Unix(header.Time.Int64(), 0).Sub(time.Now()) // nolint: gosimple
-	if header.Difficulty.Cmp(diffNoTurn) == 0 {
-		// It's not our turn explicitly to sign, delay it a bit
-		wiggle := time.Duration(len(masternodes)/2+1) * wiggleTime
-		delay += time.Duration(rand.Int63n(int64(wiggle)))
-
-		log.Trace("Out-of-turn signing requested", "wiggle", common.PrettyDuration(wiggle))
-	}
-	log.Trace("Waiting for slot to sign and propagate", "delay", common.PrettyDuration(delay))
-
 	select {
 	case <-stop:
 		return nil, nil
-	case <-time.After(delay):
+	default:
 	}
 	// Sign all the things!
 	sighash, err := signFn(accounts.Account{Address: signer}, sigHash(header).Bytes())
diff --git a/core/blockchain.go b/core/blockchain.go
index 23d77a0d7b..44f432d0ae 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -24,10 +24,10 @@ import (
 	"math/big"
 	mrand "math/rand"
 	"os"
+	"sort"
 	"sync"
 	"sync/atomic"
 	"time"
-	"sort"
 
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
 	"github.com/ethereum/go-ethereum/common"
@@ -1402,7 +1402,7 @@ func (bc *BlockChain) PostChainEvents(events []interface{}, logs []*types.Log) {
 }
 
 func (bc *BlockChain) update() {
-	futureTimer := time.NewTicker(5 * time.Second)
+	futureTimer := time.NewTicker(10 * time.Millisecond)
 	defer futureTimer.Stop()
 	for {
 		select {
diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index b569e0ccd5..86e976696c 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -1221,9 +1221,9 @@ func submitTransaction(ctx context.Context, b Backend, tx *types.Transaction) (c
 			return common.Hash{}, err
 		}
 		addr := crypto.CreateAddress(from, tx.Nonce())
-		log.Info("Submitted contract creation", "fullhash", tx.Hash().Hex(), "contract", addr.Hex())
+		log.Trace("Submitted contract creation", "fullhash", tx.Hash().Hex(), "contract", addr.Hex())
 	} else {
-		log.Info("Submitted transaction", "fullhash", tx.Hash().Hex(), "recipient", tx.To())
+		log.Trace("Submitted transaction", "fullhash", tx.Hash().Hex(), "recipient", tx.To())
 	}
 	return tx.Hash(), nil
 }