diff --git a/mindspore/ccsrc/pynative/pynative_execute.cc b/mindspore/ccsrc/pynative/pynative_execute.cc
index 30fb4ef1af..69c9d4392e 100644
--- a/mindspore/ccsrc/pynative/pynative_execute.cc
+++ b/mindspore/ccsrc/pynative/pynative_execute.cc
@@ -886,8 +886,6 @@ void PynativeExecutor::Clean() {
   MS_LOG(INFO) << "Clean all res";
   Clear();
   grad_flag_ = false;
-  graph_map_.clear();
-  cell_graph_map_.clear();
   df_builder_ = nullptr;
   ad::CleanRes();
   pipeline::ReclaimOptimizer();