diff --git a/src/Builder/FrontendDialectTransformer.cpp b/src/Builder/FrontendDialectTransformer.cpp
index a71de9d..23e7cca 100644
--- a/src/Builder/FrontendDialectTransformer.cpp
+++ b/src/Builder/FrontendDialectTransformer.cpp
@@ -17,8 +17,8 @@
 #include <type_traits>
 // Using backported variant.
 // bstd = backported standard library.
-#include <mpark/variant.hpp>
-namespace bstd = mpark;
+// #include <mpark/variant.hpp>
+// namespace bstd = mpark;
 
 #include "src/Interface/ResultTypeInferenceOpInterface.hpp"
 
diff --git a/src/Runtime/PyExecutionSession.cpp b/src/Runtime/PyExecutionSession.cpp
index 136773f..9421e09 100644
--- a/src/Runtime/PyExecutionSession.cpp
+++ b/src/Runtime/PyExecutionSession.cpp
@@ -10,7 +10,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "onnx/onnx_pb.h"
-#include <third_party/onnx/onnx/onnx_pb.h>
+// #include <third_party/onnx/onnx/onnx_pb.h>
 
 #include "PyExecutionSession.hpp"