diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index 42b025cfd..d6e4c311b 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -21,14 +21,13 @@ import (
 	"fmt"
 	"math"
 	"os"
-	"runtime"
 	godebug "runtime/debug"
 	"sort"
 	"strconv"
 	"strings"
 	"time"
 
-	"github.com/elastic/gosigar"
+	gopsutil "github.com/shirou/gopsutil/mem"
 	"github.com/urfave/cli"
 
 	"github.com/ledgerwatch/turbo-geth/accounts"
@@ -40,6 +39,7 @@ import (
 	"github.com/ledgerwatch/turbo-geth/eth/downloader"
 	"github.com/ledgerwatch/turbo-geth/ethclient"
 	"github.com/ledgerwatch/turbo-geth/internal/debug"
+	"github.com/ethereum/go-ethereum/les"
 	"github.com/ledgerwatch/turbo-geth/log"
 	"github.com/ledgerwatch/turbo-geth/metrics"
 	"github.com/ledgerwatch/turbo-geth/node"
@@ -314,20 +314,16 @@ func prepare(ctx *cli.Context) {
 		ctx.GlobalSet(utils.CacheFlag.Name, strconv.Itoa(128))
 	}
 	// Cap the cache allowance and tune the garbage collector
-	var mem gosigar.Mem
-	// Workaround until OpenBSD support lands into gosigar
-	// Check https://github.com/elastic/gosigar#supported-platforms
-	if runtime.GOOS != "openbsd" {
-		if err := mem.Get(); err == nil {
-			if 32<<(^uintptr(0)>>63) == 32 && mem.Total > 2*1024*1024*1024 {
-				log.Warn("Lowering memory allowance on 32bit arch", "available", mem.Total/1024/1024, "addressable", 2*1024)
-				mem.Total = 2 * 1024 * 1024 * 1024
-			}
-			allowance := int(mem.Total / 1024 / 1024 / 3)
-			if cache := ctx.GlobalInt(utils.CacheFlag.Name); cache > allowance {
-				log.Warn("Sanitizing cache to Go's GC limits", "provided", cache, "updated", allowance)
-				ctx.GlobalSet(utils.CacheFlag.Name, strconv.Itoa(allowance))
-			}
+	mem, err := gopsutil.VirtualMemory()
+	if err == nil {
+		if 32<<(^uintptr(0)>>63) == 32 && mem.Total > 2*1024*1024*1024 {
+			log.Warn("Lowering memory allowance on 32bit arch", "available", mem.Total/1024/1024, "addressable", 2*1024)
+			mem.Total = 2 * 1024 * 1024 * 1024
+		}
+		allowance := int(mem.Total / 1024 / 1024 / 3)
+		if cache := ctx.GlobalInt(utils.CacheFlag.Name); cache > allowance {
+			log.Warn("Sanitizing cache to Go's GC limits", "provided", cache, "updated", allowance)
+			ctx.GlobalSet(utils.CacheFlag.Name, strconv.Itoa(allowance))
 		}
 	}
 	// Ensure Go's GC ignores the database cache for trigger percentage
diff --git a/go.mod b/go.mod
index 09cc5f364..20f8c9e1c 100644
--- a/go.mod
+++ b/go.mod
@@ -18,13 +18,12 @@ require (
 	github.com/davecgh/go-spew v1.1.1
 	github.com/deckarep/golang-set v0.0.0-20180603214616-504e848d77ea
 	github.com/dgraph-io/badger/v2 v2.0.3
-	github.com/dlclark/regexp2 v1.2.0 // indirect
 	github.com/docker/docker v1.4.2-0.20180625184442-8e610b2b55bf
 	github.com/dop251/goja v0.0.0-20200219165308-d1232e640a87
 	github.com/dustin/go-humanize v1.0.0
 	github.com/edsrzf/mmap-go v0.0.0-20160512033002-935e0e8a636c
-	github.com/elastic/gosigar v0.8.1-0.20180330100440-37f05ff46ffa
 	github.com/ethereum/evmc/v7 v7.3.0
+	github.com/ethereum/go-ethereum v1.9.15
 	github.com/fatih/color v1.7.0
 	github.com/fjl/memsize v0.0.0-20180418122429-ca190fb6ffbc
 	github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff
@@ -43,12 +42,10 @@ require (
 	github.com/jackpal/go-nat-pmp v1.0.2-0.20160603034137-1fa385a6f458
 	github.com/julienschmidt/httprouter v1.2.0
 	github.com/karalabe/usb v0.0.0-20190919080040-51dc0efba356
-	github.com/kylelemons/godebug v1.1.0 // indirect
 	github.com/ledgerwatch/bolt v1.4.6-0.20200605053542-69293d8f1d33
 	github.com/llgcode/draw2d v0.0.0-20180825133448-f52c8a71aff0
 	github.com/mattn/go-colorable v0.1.2
 	github.com/mattn/go-isatty v0.0.12
-	github.com/naoina/go-stringutil v0.1.0 // indirect
 	github.com/naoina/toml v0.1.2-0.20170918210437-9fafd6967416
 	github.com/olekukonko/tablewriter v0.0.2-0.20190409134802-7e037d187b0c
 	github.com/pborman/uuid v0.0.0-20170112150404-1b00554d8222
@@ -58,10 +55,10 @@ require (
 	github.com/prometheus/tsdb v0.10.0
 	github.com/rs/cors v0.0.0-20160617231935-a62a804a8a00
 	github.com/rs/xhandler v0.0.0-20170707052532-1eb70cf1520d // indirect
+	github.com/shirou/gopsutil v2.20.5-0.20200531151128-663af789c085+incompatible
 	github.com/spf13/cobra v1.0.0
 	github.com/status-im/keycard-go v0.0.0-20190424133014-d95853db0f48
 	github.com/steakknife/bloomfilter v0.0.0-20180922174646-6819c0d2a570
-	github.com/steakknife/hamming v0.0.0-20180906055917-c99c65617cd3 // indirect
 	github.com/stretchr/testify v1.5.1
 	github.com/tyler-smith/go-bip39 v1.0.2
 	github.com/ugorji/go/codec v1.1.7
@@ -77,6 +74,5 @@ require (
 	golang.org/x/time v0.0.0-20190921001708-c4c64cad1fd0
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce
-	gopkg.in/olebedev/go-duktape.v3 v3.0.0-20200316214253-d7b0ff38cac9
-	gotest.tools v2.2.0+incompatible // indirect
+	gopkg.in/olebedev/go-duktape.v3 v3.0.0-20200603215123-a4a8cb9d2cbc
 )
diff --git a/metrics/cpu_enabled.go b/metrics/cpu_enabled.go
index 99d44e400..52a3c2e96 100644
--- a/metrics/cpu_enabled.go
+++ b/metrics/cpu_enabled.go
@@ -18,14 +18,22 @@
 
 package metrics
 
-import "github.com/elastic/gosigar"
+import (
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/shirou/gopsutil/cpu"
+)
 
 // ReadCPUStats retrieves the current CPU stats.
 func ReadCPUStats(stats *CPUStats) {
-	global := gosigar.Cpu{}
-	global.Get()
-
-	stats.GlobalTime = int64(global.User + global.Nice + global.Sys)
-	stats.GlobalWait = int64(global.Wait)
+	// passing false to request all cpu times
+	timeStats, err := cpu.Times(false)
+	if err != nil {
+		log.Error("Could not read cpu stats", "err", err)
+		return
+	}
+	// requesting all cpu times will always return an array with only one time stats entry
+	timeStat := timeStats[0]
+	stats.GlobalTime = int64((timeStat.User + timeStat.Nice + timeStat.System) * cpu.ClocksPerSec)
+	stats.GlobalWait = int64((timeStat.Iowait) * cpu.ClocksPerSec)
 	stats.LocalTime = getProcessCPUTime()
 }