diff --git a/paddle/fluid/inference/tensorrt/engine.cc b/paddle/fluid/inference/tensorrt/engine.cc
index 011d9a25fa4c4e6851a9e36d642dbd9b11846af6..b6c23d0d7b8eb899c31e3e6a6db04316788ba7e4 100644
--- a/paddle/fluid/inference/tensorrt/engine.cc
+++ b/paddle/fluid/inference/tensorrt/engine.cc
@@ -39,7 +39,7 @@ void TensorRTEngine::InitNetwork() {
             nvinfer1::NetworkDefinitionCreationFlag::kEXPLICIT_BATCH)));
     infer_builder_config_.reset(infer_builder_->createBuilderConfig());
     infer_ptr<nvinfer1::IBuilderConfig> infer_builder_config_;
-    optim_profile_.reset(infer_builder_->createOptimizationProfile());
+    optim_profile_ = infer_builder_->createOptimizationProfile();
 #endif
   } else {
     infer_network_.reset(infer_builder_->createNetwork());
@@ -160,7 +160,7 @@ void TensorRTEngine::FreezeNetwork() {
           input.first.c_str(), nvinfer1::OptProfileSelector::kOPT,
           Vec2TRT_Dims(optim_input_shape_[input.first], input.first, true));
     }
-    infer_builder_config_->addOptimizationProfile(optim_profile_.get());
+    infer_builder_config_->addOptimizationProfile(optim_profile_);
     if (WithFp16()) {
       infer_builder_config_->setFlag(nvinfer1::BuilderFlag::kFP16);
       if (disable_trt_plugin_fp16()) {
diff --git a/paddle/fluid/inference/tensorrt/engine.h b/paddle/fluid/inference/tensorrt/engine.h
index 03fd7a283b44c0744fdfb1a6ad50ecf28cc92511..0a4f1c94f90135bc0199b55a6b9ccf6433738244 100644
--- a/paddle/fluid/inference/tensorrt/engine.h
+++ b/paddle/fluid/inference/tensorrt/engine.h
@@ -340,7 +340,7 @@ class TensorRTEngine {
   infer_ptr<nvinfer1::INetworkDefinition> infer_networkv2_;
 #if IS_TRT_VERSION_GE(6000)
   infer_ptr<nvinfer1::IBuilderConfig> infer_builder_config_;
-  std::unique_ptr<nvinfer1::IOptimizationProfile> optim_profile_;
+  nvinfer1::IOptimizationProfile* optim_profile_;
   std::vector<std::unique_ptr<plugin::DynamicPluginTensorRT>> owned_pluginv2_;
 #endif
   std::mutex mutex_;