diff --git a/vendor/github.com/ethereum/go-ethereum/dashboard/dashboard.go b/vendor/github.com/ethereum/go-ethereum/dashboard/dashboard.go
index 3ba92ac7..d89a1e94 100644
--- a/vendor/github.com/ethereum/go-ethereum/dashboard/dashboard.go
+++ b/vendor/github.com/ethereum/go-ethereum/dashboard/dashboard.go
@@ -27,20 +27,17 @@ import (
 	"fmt"
 	"net"
 	"net/http"
-	"runtime"
 	"sync"
 	"sync/atomic"
 	"time"
 
 	"io"
 
-	"github.com/elastic/gosigar"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/metrics"
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rpc"
-	"github.com/mohae/deepcopy"
 	"golang.org/x/net/websocket"
 )
 
@@ -235,7 +232,7 @@ func (db *Dashboard) apiHandler(conn *websocket.Conn) {
 
 	db.lock.Lock()
 	// Send the past data.
-	client.msg <- deepcopy.Copy(db.history).(*Message)
+	client.msg <- db.history
 	// Start tracking the connection and drop at connection loss.
 	db.conns[id] = client
 	db.lock.Unlock()
@@ -275,118 +272,6 @@ func meterCollector(name string) func() int64 {
 // collectData collects the required data to plot on the dashboard.
 func (db *Dashboard) collectData() {
 	defer db.wg.Done()
-
-	systemCPUUsage := gosigar.Cpu{}
-	systemCPUUsage.Get()
-	var (
-		mem runtime.MemStats
-
-		collectNetworkIngress = meterCollector("p2p/InboundTraffic")
-		collectNetworkEgress  = meterCollector("p2p/OutboundTraffic")
-		collectDiskRead       = meterCollector("eth/db/chaindata/disk/read")
-		collectDiskWrite      = meterCollector("eth/db/chaindata/disk/write")
-
-		prevNetworkIngress = collectNetworkIngress()
-		prevNetworkEgress  = collectNetworkEgress()
-		prevProcessCPUTime = getProcessCPUTime()
-		prevSystemCPUUsage = systemCPUUsage
-		prevDiskRead       = collectDiskRead()
-		prevDiskWrite      = collectDiskWrite()
-
-		frequency = float64(db.config.Refresh / time.Second)
-		numCPU    = float64(runtime.NumCPU())
-	)
-
-	for {
-		select {
-		case errc := <-db.quit:
-			errc <- nil
-			return
-		case <-time.After(db.config.Refresh):
-			systemCPUUsage.Get()
-			var (
-				curNetworkIngress = collectNetworkIngress()
-				curNetworkEgress  = collectNetworkEgress()
-				curProcessCPUTime = getProcessCPUTime()
-				curSystemCPUUsage = systemCPUUsage
-				curDiskRead       = collectDiskRead()
-				curDiskWrite      = collectDiskWrite()
-
-				deltaNetworkIngress = float64(curNetworkIngress - prevNetworkIngress)
-				deltaNetworkEgress  = float64(curNetworkEgress - prevNetworkEgress)
-				deltaProcessCPUTime = curProcessCPUTime - prevProcessCPUTime
-				deltaSystemCPUUsage = curSystemCPUUsage.Delta(prevSystemCPUUsage)
-				deltaDiskRead       = curDiskRead - prevDiskRead
-				deltaDiskWrite      = curDiskWrite - prevDiskWrite
-			)
-			prevNetworkIngress = curNetworkIngress
-			prevNetworkEgress = curNetworkEgress
-			prevProcessCPUTime = curProcessCPUTime
-			prevSystemCPUUsage = curSystemCPUUsage
-			prevDiskRead = curDiskRead
-			prevDiskWrite = curDiskWrite
-
-			now := time.Now()
-
-			runtime.ReadMemStats(&mem)
-			activeMemory := &ChartEntry{
-				Time:  now,
-				Value: float64(mem.Alloc) / frequency,
-			}
-			virtualMemory := &ChartEntry{
-				Time:  now,
-				Value: float64(mem.Sys) / frequency,
-			}
-			networkIngress := &ChartEntry{
-				Time:  now,
-				Value: deltaNetworkIngress / frequency,
-			}
-			networkEgress := &ChartEntry{
-				Time:  now,
-				Value: deltaNetworkEgress / frequency,
-			}
-			processCPU := &ChartEntry{
-				Time:  now,
-				Value: deltaProcessCPUTime / frequency / numCPU * 100,
-			}
-			systemCPU := &ChartEntry{
-				Time:  now,
-				Value: float64(deltaSystemCPUUsage.Sys+deltaSystemCPUUsage.User) / frequency / numCPU,
-			}
-			diskRead := &ChartEntry{
-				Time:  now,
-				Value: float64(deltaDiskRead) / frequency,
-			}
-			diskWrite := &ChartEntry{
-				Time:  now,
-				Value: float64(deltaDiskWrite) / frequency,
-			}
-			sys := db.history.System
-			db.lock.Lock()
-			sys.ActiveMemory = append(sys.ActiveMemory[1:], activeMemory)
-			sys.VirtualMemory = append(sys.VirtualMemory[1:], virtualMemory)
-			sys.NetworkIngress = append(sys.NetworkIngress[1:], networkIngress)
-			sys.NetworkEgress = append(sys.NetworkEgress[1:], networkEgress)
-			sys.ProcessCPU = append(sys.ProcessCPU[1:], processCPU)
-			sys.SystemCPU = append(sys.SystemCPU[1:], systemCPU)
-			sys.DiskRead = append(sys.DiskRead[1:], diskRead)
-			sys.DiskWrite = append(sys.DiskWrite[1:], diskWrite)
-			db.lock.Unlock()
-
-			db.sendToAll(&Message{
-				System: &SystemMessage{
-					ActiveMemory:   ChartEntries{activeMemory},
-					VirtualMemory:  ChartEntries{virtualMemory},
-					NetworkIngress: ChartEntries{networkIngress},
-					NetworkEgress:  ChartEntries{networkEgress},
-					ProcessCPU:     ChartEntries{processCPU},
-					SystemCPU:      ChartEntries{systemCPU},
-					DiskRead:       ChartEntries{diskRead},
-					DiskWrite:      ChartEntries{diskWrite},
-				},
-			})
-		}
-	}
 }
 
 // sendToAll sends the given message to the active dashboards.