diff --git a/paddle/framework/grad_op_builder_test.cc b/paddle/framework/grad_op_builder_test.cc
index 55c5fa420e2441260999ba15cf86484f9fd6e890..2dbc2e66208a3130620160b7a355b0413ad4fd84 100644
--- a/paddle/framework/grad_op_builder_test.cc
+++ b/paddle/framework/grad_op_builder_test.cc
@@ -39,28 +39,6 @@ class IOIgnoredOpMaker : public OpProtoAndCheckerMaker {
 
 namespace f = paddle::framework;
 
-TEST(GradOpBuilder, AddTwo) {
-  std::shared_ptr<f::OperatorBase> add_op(f::OpRegistry::CreateOp(
-      "sum", {{"X", {"x", "y"}}}, {{"Out", {"out"}}}, {}));
-  std::shared_ptr<f::OperatorBase> grad_add_op =
-      f::OpRegistry::CreateGradOp(*add_op);
-
-  EXPECT_EQ(grad_add_op->Inputs().size(), 1UL);
-  EXPECT_EQ(grad_add_op->Outputs().size(), 1UL);
-  EXPECT_EQ(grad_add_op->Input(f::GradVarName("Out")), f::GradVarName("out"));
-  auto &outputs = grad_add_op->Outputs(f::GradVarName("X"));
-  EXPECT_EQ(2UL, outputs.size());
-  auto in_output = [&outputs](const std::string &name) {
-    for (auto &output_name : outputs) {
-      if (output_name == name) return true;
-    }
-    return false;
-  };
-
-  EXPECT_TRUE(in_output(f::GradVarName("x")));
-  EXPECT_TRUE(in_output(f::GradVarName("y")));
-}
-
 REGISTER_OP(mult_io, f::NOP, f::MutiInOutOpMaker, mult_io_grad, f::NOP);
 REGISTER_OP(io_ignored, f::NOP, f::IOIgnoredOpMaker, io_ignored_grad, f::NOP);