diff --git a/src/ray/raylet/scheduling/cluster_task_manager.cc b/src/ray/raylet/scheduling/cluster_task_manager.cc
index 35ef056b0..eb08e1dd9 100644
--- a/src/ray/raylet/scheduling/cluster_task_manager.cc
+++ b/src/ray/raylet/scheduling/cluster_task_manager.cc
@@ -354,7 +354,6 @@ bool ClusterTaskManager::CancelTask(const TaskID &task_id) {
     }
     waiting_tasks_.erase(iter);
 
-    task_dependency_manager_.RemoveTaskDependencies(task_id);
     return true;
   }