diff --git a/consensus/clique/clique.go b/consensus/clique/clique.go
index 38597e15267a..f25e0cf3c9c5 100644
--- a/consensus/clique/clique.go
+++ b/consensus/clique/clique.go
@@ -327,9 +327,9 @@ func (c *Clique) verifyCascadingFields(chain consensus.ChainHeaderReader, header
 	if parent == nil || parent.Number.Uint64() != number-1 || parent.Hash() != header.ParentHash {
 		return consensus.ErrUnknownAncestor
 	}
-	if parent.Time+c.config.Period > header.Time {
+	/*if parent.Time+c.config.Period > header.Time {
 		return errInvalidTimestamp
-	}
+	}*/
 	// Verify that the gasUsed is <= gasLimit
 	if header.GasUsed > header.GasLimit {
 		return fmt.Errorf("invalid gasUsed: have %d, gasLimit %d", header.GasUsed, header.GasLimit)
@@ -553,10 +553,10 @@ func (c *Clique) Prepare(chain consensus.ChainHeaderReader, header *types.Header
 	if parent == nil {
 		return consensus.ErrUnknownAncestor
 	}
-	header.Time = parent.Time + c.config.Period
-	if header.Time < uint64(time.Now().Unix()) {
-		header.Time = uint64(time.Now().Unix())
-	}
+	//header.Time = parent.Time + c.config.Period
+	//if header.Time < uint64(time.Now().Unix()) {
+	header.Time = uint64(time.Now().Unix())
+	//}
 	return nil
 }
 
diff --git a/eth/backend.go b/eth/backend.go
index ae4e6e85d7fd..be64c75541bf 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -524,21 +524,21 @@ func (s *Ethereum) Protocols() []p2p.Protocol {
 // Start implements node.Lifecycle, starting all internal goroutines needed by the
 // Ethereum protocol implementation.
 func (s *Ethereum) Start() error {
-	eth.StartENRUpdater(s.blockchain, s.p2pServer.LocalNode())
+	//eth.StartENRUpdater(s.blockchain, s.p2pServer.LocalNode())
 
 	// Start the bloom bits servicing goroutines
 	s.startBloomHandlers(params.BloomBitsBlocks)
 
 	// Figure out a max peers count based on the server limits
-	maxPeers := s.p2pServer.MaxPeers
-	if s.config.LightServ > 0 {
-		if s.config.LightPeers >= s.p2pServer.MaxPeers {
-			return fmt.Errorf("invalid peer config: light peer count (%d) >= total peer count (%d)", s.config.LightPeers, s.p2pServer.MaxPeers)
-		}
-		maxPeers -= s.config.LightPeers
-	}
+	//maxPeers := s.p2pServer.MaxPeers
+	//if s.config.LightServ > 0 {
+	//	if s.config.LightPeers >= s.p2pServer.MaxPeers {
+	//		return fmt.Errorf("invalid peer config: light peer count (%d) >= total peer count (%d)", s.config.LightPeers, s.p2pServer.MaxPeers)
+	//	}
+	//	maxPeers -= s.config.LightPeers
+	//}
 	// Start the networking layer and the light server if requested
-	s.handler.Start(maxPeers)
+	//s.handler.Start(maxPeers)
 	return nil
 }
 
@@ -548,7 +548,7 @@ func (s *Ethereum) Stop() error {
 	// Stop all the peer-related stuff first.
 	s.ethDialCandidates.Close()
 	s.snapDialCandidates.Close()
-	s.handler.Stop()
+	//s.handler.Stop()
 
 	// Then stop everything else.
 	s.bloomIndexer.Close()
diff --git a/miner/worker.go b/miner/worker.go
index 77e868c2bf4f..bd4c88f418f5 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -393,10 +393,10 @@ func (w *worker) newWorkLoop(recommit time.Duration) {
 			timestamp = time.Now().Unix()
 			commit(false, commitInterruptNewHead)
 
-		case head := <-w.chainHeadCh:
+		/*case head := <-w.chainHeadCh:
 			clearPending(head.Block.NumberU64())
 			timestamp = time.Now().Unix()
-			commit(false, commitInterruptNewHead)
+			commit(false, commitInterruptNewHead)*/
 
 		case <-timer.C:
 			// If mining is running resubmit a new work cycle periodically to pull in
diff --git a/node/node.go b/node/node.go
index ceab1c90902b..aa271e123b52 100644
--- a/node/node.go
+++ b/node/node.go
@@ -261,15 +261,15 @@ func (n *Node) doClose(errs []error) error {
 // openEndpoints starts all network and RPC endpoints.
 func (n *Node) openEndpoints() error {
 	// start networking endpoints
-	n.log.Info("Starting peer-to-peer node", "instance", n.server.Name)
+	/*n.log.Info("Starting peer-to-peer node", "instance", n.server.Name)
 	if err := n.server.Start(); err != nil {
 		return convertFileLockError(err)
-	}
+	}*/
 	// start RPC endpoints
 	err := n.startRPC()
 	if err != nil {
 		n.stopRPC()
-		n.server.Stop()
+		//n.server.Stop()
 	}
 	return err
 }
@@ -298,7 +298,7 @@ func (n *Node) stopServices(running []Lifecycle) error {
 	}
 
 	// Stop p2p networking.
-	n.server.Stop()
+	//n.server.Stop()
 
 	if len(failure.Services) > 0 {
 		return failure