diff --git a/paddlespeech/s2t/exps/deepspeech2/bin/export.py b/paddlespeech/s2t/exps/deepspeech2/bin/export.py
index 049e7b688..8acd46dfc 100644
--- a/paddlespeech/s2t/exps/deepspeech2/bin/export.py
+++ b/paddlespeech/s2t/exps/deepspeech2/bin/export.py
@@ -35,12 +35,6 @@ if __name__ == "__main__":
     # save jit model to
     parser.add_argument(
         "--export_path", type=str, help="path of the jit model to save")
-    parser.add_argument(
-        '--nxpu',
-        type=int,
-        default=0,
-        choices=[0, 1],
-        help="if nxpu == 0 and ngpu == 0, use cpu.")
     args = parser.parse_args()
     print_arguments(args)
 
diff --git a/paddlespeech/s2t/exps/deepspeech2/bin/test.py b/paddlespeech/s2t/exps/deepspeech2/bin/test.py
index a9828f6e7..030168a9a 100644
--- a/paddlespeech/s2t/exps/deepspeech2/bin/test.py
+++ b/paddlespeech/s2t/exps/deepspeech2/bin/test.py
@@ -35,12 +35,6 @@ if __name__ == "__main__":
     # save asr result to
     parser.add_argument(
         "--result_file", type=str, help="path of save the asr result")
-    parser.add_argument(
-        '--nxpu',
-        type=int,
-        default=0,
-        choices=[0, 1],
-        help="if nxpu == 0 and ngpu == 0, use cpu.")
     args = parser.parse_args()
     print_arguments(args, globals())
 
diff --git a/paddlespeech/s2t/exps/deepspeech2/bin/test_export.py b/paddlespeech/s2t/exps/deepspeech2/bin/test_export.py
index 8db081e7b..d7a9402b9 100644
--- a/paddlespeech/s2t/exps/deepspeech2/bin/test_export.py
+++ b/paddlespeech/s2t/exps/deepspeech2/bin/test_export.py
@@ -38,12 +38,6 @@ if __name__ == "__main__":
     #load jit model from
     parser.add_argument(
         "--export_path", type=str, help="path of the jit model to save")
-    parser.add_argument(
-        '--nxpu',
-        type=int,
-        default=0,
-        choices=[0, 1],
-        help="if nxpu == 0 and ngpu == 0, use cpu.")
     parser.add_argument(
         "--enable-auto-log", action="store_true", help="use auto log")
     args = parser.parse_args()