diff --git a/clash/clash.go b/clash/clash.go
index fc83624..eec20b7 100755
--- a/clash/clash.go
+++ b/clash/clash.go
@@ -7,7 +7,6 @@ import (
 	"os"
 	"path/filepath"
 	"strconv"
-	"sync/atomic"
 
 	"github.com/Dreamacro/clash/config"
 	C "github.com/Dreamacro/clash/constant"
@@ -18,10 +17,6 @@ import (
 	log "github.com/sirupsen/logrus"
 )
 
-var (
-	runningFlag atomic.Value
-)
-
 type ClashStartOptions struct {
 	// HomeDir Clash config home directory
 	HomeDir string
@@ -51,15 +46,9 @@ func Start(opt *ClashStartOptions) {
 	}
 
 	ApplyRawConfig(opt)
-	runningFlag.Store(true)
 	return
 }
 
-func IsRunning() bool {
-	run := runningFlag.Load()
-	return run.(bool)
-}
-
 func Stop() {
 	snapshot := statistic.DefaultManager.Snapshot()
 	for _, c := range snapshot.Connections {
@@ -75,8 +64,6 @@ func Stop() {
 		TrojanProxyServerUdpEnabled: true,
 	}
 	ApplyRawConfig(opt)
-
-	runningFlag.Store(false)
 }
 
 func ApplyRawConfig(opt *ClashStartOptions) {
@@ -151,8 +138,3 @@ func readConfig(path string) ([]byte, error) {
 
 	return data, err
 }
-
-func init() {
-	// default value
-	runningFlag.Store(false)
-}