diff --git a/parl/remote/job.py b/parl/remote/job.py
index 4f4579b236679b0774129ad6764a035a0d92fdf1..e512a5238fb6ce662cf81d664556a6358c7a7014 100644
--- a/parl/remote/job.py
+++ b/parl/remote/job.py
@@ -16,7 +16,6 @@
 import compatible_trick
 
 import os
-os.environ['CUDA_VISIBLE_DEVICES'] = ''
 os.environ['XPARL'] = 'True'
 import argparse
 import cloudpickle
diff --git a/parl/remote/tests/paddle_gpu_test.py b/parl/remote/tests/paddle_gpu_test.py
index 8b759c7ab5f2aa87b64861b8f5d773fa509aa27d..256814c24ad533b107308d04b6f4b13d5291b3b1 100644
--- a/parl/remote/tests/paddle_gpu_test.py
+++ b/parl/remote/tests/paddle_gpu_test.py
@@ -29,7 +29,6 @@ import os
 @parl.remote_class
 class Actor(object):
     def __init__(self):
-        os.environ['CUDA_VISIBLE_DEVICES'] = "0"
         if parl.utils.is_gpu_available():
             place = fluid.CUDAPlace(0)
         else: