diff --git a/navalplanner-gantt-zk/src/main/java/org/zkoss/ganttz/ListDetails.java b/navalplanner-gantt-zk/src/main/java/org/zkoss/ganttz/ListDetails.java
index c859a9b6f..f69565a5c 100644
--- a/navalplanner-gantt-zk/src/main/java/org/zkoss/ganttz/ListDetails.java
+++ b/navalplanner-gantt-zk/src/main/java/org/zkoss/ganttz/ListDetails.java
@@ -186,7 +186,7 @@ public class ListDetails extends HtmlMacroComponent {
     }
 
     public void taskRemoved(TaskBean taskRemoved) {
-        // TODO pending
+        tasksTreeModel.remove(taskRemoved);
     }
 
     public void addTask() {