diff --git a/src/ray/core_worker/core_worker.cc b/src/ray/core_worker/core_worker.cc
index 209c056d6..d2c4581a8 100644
--- a/src/ray/core_worker/core_worker.cc
+++ b/src/ray/core_worker/core_worker.cc
@@ -786,7 +786,7 @@ Status CoreWorker::ExecuteTask(const TaskSpecification &task_spec,
   }
 
   if (task_spec.IsNormalTask() && reference_counter_.NumObjectIDsInScope() != 0) {
-    RAY_LOG(ERROR)
+    RAY_LOG(DEBUG)
         << "There were " << reference_counter_.NumObjectIDsInScope()
         << " ObjectIDs left in scope after executing task " << task_spec.TaskId()
         << ". This is either caused by keeping references to ObjectIDs in Python between "