diff --git a/paddle/fluid/operators/expand_v2_op.cc b/paddle/fluid/operators/expand_v2_op.cc
index 3c2b939e799577e999ebb0feb1634ac0f3e35c7b..dc6da979671e598605f6904b1b26602a5f44071a 100644
--- a/paddle/fluid/operators/expand_v2_op.cc
+++ b/paddle/fluid/operators/expand_v2_op.cc
@@ -140,12 +140,14 @@ class ExpandV2OpMaker : public framework::OpProtoAndCheckerMaker {
         .SetDefault({});
     AddAttr<bool>("use_mkldnn",
                   "(bool, default false) Only used in mkldnn kernel")
-        .SetDefault(false);
+        .SetDefault(false)
+        .AsExtra();
     AddAttr<std::string>(
         "mkldnn_data_type",
         "(string, default \"float32\"). Data type of mkldnn kernel")
         .SetDefault("float32")
-        .InEnum({"float32", "bfloat16"});
+        .InEnum({"float32", "bfloat16"})
+        .AsExtra();
     AddComment(R"DOC(
 Expand the input to the given shape. The rank of X
 should be in [1, 6] and size of 'shape' must be in [1, 6] also.