diff --git a/core/function-impl/mogo-core-function-v2x/src/main/java/com/mogo/eagle/core/function/v2x/events/scenario/scene/airoad/AiRoadMarker.kt b/core/function-impl/mogo-core-function-v2x/src/main/java/com/mogo/eagle/core/function/v2x/events/scenario/scene/airoad/AiRoadMarker.kt
index 411ab19fa7..fbd569d4c4 100644
--- a/core/function-impl/mogo-core-function-v2x/src/main/java/com/mogo/eagle/core/function/v2x/events/scenario/scene/airoad/AiRoadMarker.kt
+++ b/core/function-impl/mogo-core-function-v2x/src/main/java/com/mogo/eagle/core/function/v2x/events/scenario/scene/airoad/AiRoadMarker.kt
@@ -36,10 +36,6 @@ object AiRoadMarker {
 
     private val marker by lazy { AtomicReference<Marker>() }
 
-    private val curStopLine by lazy { AtomicReference<StopLine>() }
-
-    private val lastStopLine by lazy { AtomicReference<StopLine>() }
-
     private val carLocation by lazy { AtomicReference<Triple<Double, Double, Double>>() }
 
     private val overlayManager by lazy { MogoOverlayManager.getInstance() }
@@ -130,14 +126,12 @@ object AiRoadMarker {
             if (oldRoadId != roadId) {
                 if (hasCrossRoad) {
                     hasCrossRoad = false
-                    lastStopLine.set(curStopLine.get())
                 }
             }
             this.roadId = roadId
         }
         override fun onStopLineInfo(info: StopLine) {
             Logger.d(TAG, "--- onStopLineInfo --- info: $info")
-            curStopLine.set(info)
             if (!hasCrossRoad) {
                 hasCrossRoad = true
             }
@@ -190,6 +184,7 @@ object AiRoadMarker {
         CallerMapRoadListenerManager.unRegisterRoadListener(TAG)
         CallerMapLocationListenerManager.removeListener(TAG)
         pool.shutdownNow()
+        removeRedLine()
     }