# working towards migration of Event Sending Services

java/com.sap.sailing.domain.shared.android/src/com/sap/sailing/domain/racelog/RaceLog.java

@@ -5,4 +5,5 @@ import com.sap.sailing.domain.tracking.Track;
 public interface RaceLog extends Track<RaceLogEvent> {
     boolean add(RaceLogEvent event);
     void addListener(RaceLogEventVisitor listener);
+    void removeListener(RaceLogEventVisitor listener);
 }

java/com.sap.sailing.domain.shared.android/src/com/sap/sailing/domain/racelog/impl/RaceLogImpl.java

@@ -68,4 +68,11 @@ public class RaceLogImpl extends TrackImpl<RaceLogEvent> implements RaceLog {
         }
     }
 
+    @Override
+    public void removeListener(RaceLogEventVisitor listener) {
+        synchronized (listeners) {
+            listeners.remove(listener);
+        }
+    }
+
 }