diff --git a/paddle/framework/grad_op_desc_maker.h b/paddle/framework/grad_op_desc_maker.h
index b4b6d54bf332cac8e328c67e8fa50a7675e8788d..e6d63e4b8a5ac44baef53a02af69a37d6039f079 100644
--- a/paddle/framework/grad_op_desc_maker.h
+++ b/paddle/framework/grad_op_desc_maker.h
@@ -44,12 +44,12 @@ class GradOpDescMakerBase {
     return ToGradNames(fwd_op_.Output(name));
   }
 
-  std::vector<std::string> InputParamNames() const {
-    return this->fwd_op_.InputParamNames();
+  std::vector<std::string> InputNames() const {
+    return this->fwd_op_.InputNames();
   }
 
-  std::vector<std::string> OutputParamNames() const {
-    return this->fwd_op_.OutputParamNames();
+  std::vector<std::string> OutputNames() const {
+    return this->fwd_op_.OutputNames();
   }
 
   std::vector<std::string> Input(const std::string& name) const {
@@ -96,12 +96,12 @@ class DefaultGradOpDescMaker : public SingleGradOpDescMaker {
     OpDescBind grad;
     grad.SetType(this->GradOpType());
 
-    for (auto& input_param : this->InputParamNames()) {
+    for (auto& input_param : this->InputNames()) {
       grad.SetInput(input_param, this->Input(input_param));
       grad.SetOutput(GradVarName(input_param), this->InputGrad(input_param));
     }
 
-    for (auto& output_param : this->OutputParamNames()) {
+    for (auto& output_param : this->OutputNames()) {
       grad.SetInput(output_param, this->Output(output_param));
       grad.SetInput(GradVarName(output_param), this->OutputGrad(output_param));
     }
diff --git a/paddle/framework/op_desc.cc b/paddle/framework/op_desc.cc
index 33a064890cc62a4e3f04c79bc000951e76fd477c..852f0f1eb8ea09b336d656afea4f5b146c8d45de 100644
--- a/paddle/framework/op_desc.cc
+++ b/paddle/framework/op_desc.cc
@@ -31,15 +31,6 @@ const std::vector<std::string> &OpDescBind::Input(
   return it->second;
 }
 
-std::vector<std::string> OpDescBind::InputNames() const {
-  std::vector<std::string> retv;
-  retv.reserve(this->inputs_.size());
-  for (auto &ipt : this->inputs_) {
-    retv.push_back(ipt.first);
-  }
-  return retv;
-}
-
 void OpDescBind::SetInput(const std::string &param_name,
                           const std::vector<std::string> &args) {
   need_update_ = true;
@@ -54,15 +45,6 @@ const std::vector<std::string> &OpDescBind::Output(
   return it->second;
 }
 
-std::vector<std::string> OpDescBind::OutputNames() const {
-  std::vector<std::string> retv;
-  retv.reserve(this->outputs_.size());
-  for (auto &ipt : this->outputs_) {
-    retv.push_back(ipt.first);
-  }
-  return retv;
-}
-
 void OpDescBind::SetOutput(const std::string &param_name,
                            const std::vector<std::string> &args) {
   need_update_ = true;
diff --git a/paddle/framework/op_desc.h b/paddle/framework/op_desc.h
index 12706b9d71d73f58e6c52c43fad351ca95eab25a..508bcaa67e435b83ba288d37073231e9e1c2eed5 100644
--- a/paddle/framework/op_desc.h
+++ b/paddle/framework/op_desc.h
@@ -35,15 +35,11 @@ class OpDescBind {
 
   const std::vector<std::string> &Input(const std::string &name) const;
 
-  std::vector<std::string> InputNames() const;
-
   void SetInput(const std::string &param_name,
                 const std::vector<std::string> &args);
 
   const std::vector<std::string> &Output(const std::string &name) const;
 
-  std::vector<std::string> OutputNames() const;
-
   void SetOutput(const std::string &param_name,
                  const std::vector<std::string> &args);
 
@@ -71,10 +67,8 @@ class OpDescBind {
   // Only be used in C++
   void SetAttrMap(const AttributeMap &attr_map);
 
-  std::vector<std::string> InputParamNames() const { return MapKeys(inputs_); }
-  std::vector<std::string> OutputParamNames() const {
-    return MapKeys(outputs_);
-  }
+  std::vector<std::string> InputNames() const { return MapKeys(inputs_); }
+  std::vector<std::string> OutputNames() const { return MapKeys(outputs_); }
 
  private:
   template <typename MapType>