diff --git a/onnxruntime/test/framework/tunable_op_test.cc b/onnxruntime/test/framework/tunable_op_test.cc
index 6aa7c5ee9f..0d9e557ebc 100644
--- a/onnxruntime/test/framework/tunable_op_test.cc
+++ b/onnxruntime/test/framework/tunable_op_test.cc
@@ -263,8 +263,7 @@ TEST(TunableOp, OpWrapsMutableFunctor) {
 
 class VecAddMoveOnlyFunctor {
  public:
-  VecAddMoveOnlyFunctor() {
-  }
+  VecAddMoveOnlyFunctor() = default;
   VecAddMoveOnlyFunctor(VecAddMoveOnlyFunctor&&) = default;
   ORT_DISALLOW_COPY_AND_ASSIGNMENT(VecAddMoveOnlyFunctor);
 
@@ -290,8 +289,7 @@ TEST(TunableOp, OpWrapsMoveOnlyFunctor) {
 
 class VecAddWithIsSupportedMethod {
  public:
-  VecAddWithIsSupportedMethod() {
-  }
+  VecAddWithIsSupportedMethod() = default;
   VecAddWithIsSupportedMethod(VecAddWithIsSupportedMethod&&) = default;
   ORT_DISALLOW_COPY_AND_ASSIGNMENT(VecAddWithIsSupportedMethod);