diff --git a/paddle/fluid/imperative/prepared_operator.cc b/paddle/fluid/imperative/prepared_operator.cc
index 4d283d142b1bb66b2f1f3aa7d7f96a848f977389..def5c860449214ad4a08fd69ff575b91d6f162a0 100644
--- a/paddle/fluid/imperative/prepared_operator.cc
+++ b/paddle/fluid/imperative/prepared_operator.cc
@@ -32,10 +32,10 @@ const framework::Tensor* GetTensorFromVar(const framework::Variable& var) {
 }
 
 template <typename VarType>
-static void PrepareDataImpl(
-    const platform::Place& place, const NameVarMap<VarType>& ins,
-    const framework::OperatorWithKernel& op,
-    const framework::OpKernelType& expected_kernel_key) {
+static void PrepareData(const platform::Place& place,
+                        const NameVarMap<VarType>& ins,
+                        const framework::OperatorWithKernel& op,
+                        const framework::OpKernelType& expected_kernel_key) {
   for (const auto& name_pair : ins) {
     for (const auto& var_base : name_pair.second) {
       const auto* tensor = GetTensorFromVar(var_base->Var());
@@ -63,20 +63,6 @@ static void PrepareDataImpl(
   }
 }
 
-void PreparedOp::PrepareData(
-    const platform::Place& place, const NameVarMap<VarBase>& ins,
-    const framework::OperatorWithKernel& op,
-    const framework::OpKernelType& expected_kernel_key) {
-  PrepareDataImpl<VarBase>(place, ins, op, expected_kernel_key);
-}
-
-void PreparedOp::PrepareData(
-    const platform::Place& place, const NameVarMap<VariableWrapper>& ins,
-    const framework::OperatorWithKernel& op,
-    const framework::OpKernelType& expected_kernel_key) {
-  PrepareDataImpl<VariableWrapper>(place, ins, op, expected_kernel_key);
-}
-
 PreparedOp::PreparedOp(const framework::OperatorBase& op,
                        const framework::RuntimeContext& ctx,
                        const framework::OperatorWithKernel::OpKernelFunc& func,
@@ -122,7 +108,7 @@ PreparedOp PrepareOpImpl(const NameVarMap<VarType>& ins,
     place = dev_ctx->GetPlace();
   }
 
-  PrepareDataImpl<VarType>(place, ins, op, expected_kernel_key);
+  PrepareData<VarType>(place, ins, op, expected_kernel_key);
   return PreparedOp(op, ctx, kernel_iter->second, dev_ctx);
 }
 
diff --git a/paddle/fluid/imperative/prepared_operator.h b/paddle/fluid/imperative/prepared_operator.h
index 8ffc3eaf82f0386f75daabd8f9436feb55f68c40..bf02eebdbb6be6638592017b264f0ef5054537ff 100644
--- a/paddle/fluid/imperative/prepared_operator.h
+++ b/paddle/fluid/imperative/prepared_operator.h
@@ -47,8 +47,6 @@ class PreparedOp {
                             const platform::Place& place,
                             const framework::AttributeMap& attrs);
 
-  inline platform::DeviceContext* GetDeviceContext() const { return dev_ctx_; }
-
   void Run(const NameVarMap<VarBase>& in, const NameVarMap<VarBase>& out,
            const framework::AttributeMap& attrs);
 
@@ -56,16 +54,6 @@ class PreparedOp {
            const NameVarMap<VariableWrapper>& outs,
            const framework::AttributeMap& attrs);
 
-  static void PrepareData(const platform::Place& place,
-                          const NameVarMap<VarBase>& ins,
-                          const framework::OperatorWithKernel& op,
-                          const framework::OpKernelType& expected_kernel_key);
-
-  static void PrepareData(const platform::Place& place,
-                          const NameVarMap<VariableWrapper>& ins,
-                          const framework::OperatorWithKernel& op,
-                          const framework::OpKernelType& expected_kernel_key);
-
  private:
   const framework::OperatorBase& op_;
   const framework::RuntimeContext& ctx_;