diff --git a/paddle/fluid/inference/api/demo_ci/CMakeLists.txt b/paddle/fluid/inference/api/demo_ci/CMakeLists.txt
index 7edb6270e2bf5ad190c9f05696e91816a642a270..08a1a5428193c2d506f511112e4a26d73c382ff1 100644
--- a/paddle/fluid/inference/api/demo_ci/CMakeLists.txt
+++ b/paddle/fluid/inference/api/demo_ci/CMakeLists.txt
@@ -72,7 +72,10 @@ if(WITH_GPU)
 endif()
 
 if (USE_TENSORRT AND WITH_GPU)
-  set(TENSORRT_ROOT ${PADDLE_LIB_THIRD_PARTY_PATH}tensorrt)
+  set(TENSORRT_ROOT "" CACHE STRING "The root directory of TensorRT library")
+  if("${TENSORRT_ROOT}" STREQUAL "")
+      message(FATAL_ERROR "The TENSORRT_ROOT is empty, you must assign it a value with CMake command. Such as: -DTENSORRT_ROOT=TENSORRT_ROOT_PATH ")
+  endif()
   set(TENSORRT_INCLUDE_DIR ${TENSORRT_ROOT}/include)
   set(TENSORRT_LIB_DIR ${TENSORRT_ROOT}/lib)
 endif()
diff --git a/paddle/fluid/inference/api/demo_ci/run_windows_demo.bat b/paddle/fluid/inference/api/demo_ci/run_windows_demo.bat
index fe0a3dc3f26241e3520f1068c583d7f1a4560c1f..5199b83413af87eacba6f26f4fc0a9acb6a39808 100644
--- a/paddle/fluid/inference/api/demo_ci/run_windows_demo.bat
+++ b/paddle/fluid/inference/api/demo_ci/run_windows_demo.bat
@@ -87,14 +87,7 @@ IF NOT EXIST "%source_path%\%demo_name%.cc" (
 if "%demo_name%"=="windows_mobilenet" set model_name=mobilenet
 if "%demo_name%"=="vis_demo" set model_name=mobilenet
 if "%demo_name%"=="simple_on_word2vec" set model_name=word2vec.inference.model
-if "%demo_name%"=="trt_mobilenet_demo" (
-  echo "The trt_mobilenet_demo need tensorRT inference library"
-  if NOT exist "%paddle_infernece_lib%\third_party\install\tensorrt" (
-    echo "------------It's not a tensorRT inference library------------" 
-    goto:eof
-  )
-  set model_name=mobilenet
-)
+if "%demo_name%"=="trt_mobilenet_demo" set model_name=mobilenet
 
 rem download model
 if NOT EXIST "%source_path%\%model_name%.tar.gz" (
diff --git a/python/setup.py.in b/python/setup.py.in
index 56de5ad86c6e61bebb5f273f58f16800e48a582d..f1e9457c19db5c085eb24138c1450f468baa1ec4 100644
--- a/python/setup.py.in
+++ b/python/setup.py.in
@@ -252,11 +252,6 @@ package_data['paddle.libs']= []
 package_data['paddle.libs']=[('libwarpctc' if os.name != 'nt' else 'warpctc') + ext_name]
 shutil.copy('${WARPCTC_LIBRARIES}', libs_path)
 
-if '${TENSORRT_FOUND}' == 'ON' and os.name == 'nt':
-    shutil.copy(os.path.join('${TENSORRT_LIBRARY_DIR}', '${TR_INFER_RT}'), libs_path)
-    shutil.copy(os.path.join('${TENSORRT_LIBRARY_DIR}', '${TR_INFER_PLUGIN_RT}'), libs_path)
-    package_data['paddle.libs'] += ['${TR_INFER_RT}', '${TR_INFER_PLUGIN_RT}']
-
 if '${WITH_MKL}' == 'ON':
     shutil.copy('${MKLML_SHARED_LIB}', libs_path)
     shutil.copy('${MKLML_SHARED_IOMP_LIB}', libs_path)