diff --git a/src/main/res/values-zh/strings.xml b/src/main/res/values-zh/strings.xml
index da978fdb..9015716b 100755
--- a/src/main/res/values-zh/strings.xml
+++ b/src/main/res/values-zh/strings.xml
@@ -32,7 +32,6 @@
   <string name="bypass_apps_summary">启用该选项，以使所选应用程序的流量不经过代理</string>
   <string name="auto_connect">自动连接</string>
   <string name="auto_connect_summary">随系统启动后台服务</string>
-  <string name="notification_traffic">在通知内显示当前上下行速率</string>
   <string name="forward_success">后台服务已开始运行。</string>
   <string name="service_running">影梭 → %s</string>
   <string name="service_failed">无法连接远程服务器</string>
diff --git a/src/main/res/values/strings.xml b/src/main/res/values/strings.xml
index 0524eb80..422a0b3f 100644
--- a/src/main/res/values/strings.xml
+++ b/src/main/res/values/strings.xml
@@ -13,7 +13,6 @@
   <string name="nat_summary">Use NAT mode instead of VPN mode</string>
   <string name="nat_summary_no_root">NAT mode is disabled without root</string>
   <string name="stat">Network Traffic</string>
-  <string name="notification_traffic">Show traffic in notification</string>
   <string name="stat_summary">Sent: \t\t\t\t\t%3$s\t↑\t%1$s/s\nReceived: \t%4$s\t↓\t%2$s/s</string>
   <string name="stat_profiles">\n%1$s↑\t%2$s↓</string>
   <string name="traffic_summary">%1$s/s↑\t%2$s/s↓</string>
diff --git a/src/main/res/xml/pref_all.xml b/src/main/res/xml/pref_all.xml
index 8ab4e23f..2390e8e3 100644
--- a/src/main/res/xml/pref_all.xml
+++ b/src/main/res/xml/pref_all.xml
@@ -82,8 +82,6 @@
                 android:key="isAutoConnect"
                 android:summary="@string/auto_connect_summary"
                 android:title="@string/auto_connect"/>
-        <SwitchPreference android:key="notificationTraffic" android:defaultValue="true"
-                          android:title="@string/notification_traffic"/>
 
         <com.github.shadowsocks.preferences.NatSwitchPreference android:key="isNAT"
                                                                 android:title="@string/nat"
diff --git a/src/main/scala/com/github/shadowsocks/Shadowsocks.scala b/src/main/scala/com/github/shadowsocks/Shadowsocks.scala
index f493c0e5..d55fb902 100644
--- a/src/main/scala/com/github/shadowsocks/Shadowsocks.scala
+++ b/src/main/scala/com/github/shadowsocks/Shadowsocks.scala
@@ -452,7 +452,6 @@ class Shadowsocks
   }
 
   private def setPreferenceEnabled(enabled: Boolean) {
-    preferences.findPreference(Key.notificationTraffic).setEnabled(enabled)
     preferences.findPreference(Key.isNAT).setEnabled(enabled)
     for (name <- Shadowsocks.PROXY_PREFS) {
       val pref = preferences.findPreference(name)
diff --git a/src/main/scala/com/github/shadowsocks/ShadowsocksApplication.scala b/src/main/scala/com/github/shadowsocks/ShadowsocksApplication.scala
index 0fbfb220..7bd76fe6 100644
--- a/src/main/scala/com/github/shadowsocks/ShadowsocksApplication.scala
+++ b/src/main/scala/com/github/shadowsocks/ShadowsocksApplication.scala
@@ -76,8 +76,6 @@ object ShadowsocksApplication {
     .setLabel(getVersionName)
     .build())
 
-  def notificationTraffic = settings.getBoolean(Key.notificationTraffic, true)
-
   def profileId = settings.getInt(Key.profileId, -1)
   def profileId(i: Int) = settings.edit.putInt(Key.profileId, i).apply
   def currentProfile = profileManager.getProfile(profileId)
diff --git a/src/main/scala/com/github/shadowsocks/ShadowsocksNotification.scala b/src/main/scala/com/github/shadowsocks/ShadowsocksNotification.scala
index 503f9ec5..7796b909 100644
--- a/src/main/scala/com/github/shadowsocks/ShadowsocksNotification.scala
+++ b/src/main/scala/com/github/shadowsocks/ShadowsocksNotification.scala
@@ -39,25 +39,21 @@ class ShadowsocksNotification(private val service: BaseService, profileName: Str
       PendingIntent.getBroadcast(service, 0, new Intent(Action.CLOSE), 0))
   private lazy val style = new BigTextStyle(builder)
   private val showOnUnlock = visible && Utils.isLollipopOrAbove
-  if (showOnUnlock || ShadowsocksApplication.notificationTraffic) {
-    update()
-    lockReceiver = (context: Context, intent: Intent) => update(intent.getAction)
-    val screenFilter = new IntentFilter()
-    screenFilter.addAction(Intent.ACTION_SCREEN_ON)
-    screenFilter.addAction(Intent.ACTION_SCREEN_OFF)
-    screenFilter.addAction(Intent.ACTION_USER_PRESENT)
-    service.registerReceiver(lockReceiver, screenFilter)
-  } else setVisible(visible).show()
+  update()
+  lockReceiver = (context: Context, intent: Intent) => update(intent.getAction)
+  val screenFilter = new IntentFilter()
+  screenFilter.addAction(Intent.ACTION_SCREEN_ON)
+  screenFilter.addAction(Intent.ACTION_SCREEN_OFF)
+  if (showOnUnlock) screenFilter.addAction(Intent.ACTION_USER_PRESENT)
+  service.registerReceiver(lockReceiver, screenFilter)
 
   def update(action: String = Intent.ACTION_SCREEN_ON) = if (service.getState == State.CONNECTED) {
     if (action == Intent.ACTION_SCREEN_OFF) {
       if (showOnUnlock) setVisible(false)
       unregisterCallback  // unregister callback to save battery
     } else if (action == Intent.ACTION_SCREEN_ON) {
-      if (ShadowsocksApplication.notificationTraffic) {
-        service.binder.registerCallback(callback)
-        callbackRegistered = true
-      } else unregisterCallback
+      service.binder.registerCallback(callback)
+      callbackRegistered = true
       if (!keyGuard.inKeyguardRestrictedInputMode) setVisible(showOnUnlock)
     } else if (action == Intent.ACTION_USER_PRESENT) setVisible(showOnUnlock)
     show()
diff --git a/src/main/scala/com/github/shadowsocks/utils/Constants.scala b/src/main/scala/com/github/shadowsocks/utils/Constants.scala
index 97bf71b0..cfc405c9 100644
--- a/src/main/scala/com/github/shadowsocks/utils/Constants.scala
+++ b/src/main/scala/com/github/shadowsocks/utils/Constants.scala
@@ -68,7 +68,6 @@ object Key {
   val profiles = "profiles"
   val isNAT = "isNAT"
   val route = "route"
-  val notificationTraffic = "notificationTraffic"
   val stat = "stat"
 
   val isRunning = "isRunning"