diff --git a/src/main/scala/com/github/shadowsocks/ShadowsocksTileService.scala b/src/main/scala/com/github/shadowsocks/ShadowsocksTileService.scala
index 86f0f2c7..3d45551a 100644
--- a/src/main/scala/com/github/shadowsocks/ShadowsocksTileService.scala
+++ b/src/main/scala/com/github/shadowsocks/ShadowsocksTileService.scala
@@ -11,7 +11,6 @@ import com.github.shadowsocks.utils.{State, Utils}
   */
 @TargetApi(24)
 final class ShadowsocksTileService extends TileService with ServiceBoundContext {
-  import ShadowsocksTileService._
 
   private lazy val iconIdle = Icon.createWithResource(this, R.drawable.ic_start_idle).setTint(0x80ffffff)
   private lazy val iconBusy = Icon.createWithResource(this, R.drawable.ic_start_busy)