diff --git a/cachemetrics/get_gid.go b/cachemetrics/get_gid.go
index c5d49b292a..ac9df99bac 100644
--- a/cachemetrics/get_gid.go
+++ b/cachemetrics/get_gid.go
@@ -27,14 +27,12 @@ func IsMinerMainRoutineID(id int64) bool {
 }
 
 func UpdateSyncingRoutineID(id int64) {
-	if SyncingRoutineId != id {
-		SyncingRoutineId = id
-	}
+	atomic.StoreInt64(&SyncingRoutineId, id)
 }
 
 // judge if it is main process of syncing
 func IsSyncMainRoutineID(id int64) bool {
-	if id == SyncingRoutineId {
+	if id == atomic.LoadInt64(&SyncingRoutineId) {
 		return true
 	}
 	return false
diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index 93ed460653..f2091e3af8 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -205,8 +205,6 @@ var (
 	metricsFlags = []cli.Flag{
 		utils.MetricsEnabledFlag,
 		utils.MetricsEnabledExpensiveFlag,
-		utils.MetricsEnabledRecordIOFlag,
-		utils.MetricsDisablePrefetchFlag,
 		utils.MetricsHTTPFlag,
 		utils.MetricsPortFlag,
 		utils.MetricsEnableInfluxDBFlag,
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index ef111d6d2d..8f5141907f 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -744,14 +744,6 @@ var (
 		Name:  "metrics.expensive",
 		Usage: "Enable expensive metrics collection and reporting",
 	}
-	MetricsDisablePrefetchFlag = cli.BoolFlag{
-		Name:  "metrics.noprefetch",
-		Usage: "disable prefetch when metrics collecting",
-	}
-	MetricsEnabledRecordIOFlag = cli.BoolFlag{
-		Name:  "metrics.iorecord",
-		Usage: "Enable recording io metrics",
-	}
 
 	// MetricsHTTPFlag defines the endpoint for a stand-alone metrics HTTP endpoint.
 	// Since the pprof service enables sensitive/vulnerable behavior, this allows a user