diff --git a/tools/infer/utility.py b/tools/infer/utility.py
index af6c54bb1cc8aeadd1687df5fbd70c16c2cc8b4b..bd9e14a65749f4223eeb6cf79a37546909854d17 100644
--- a/tools/infer/utility.py
+++ b/tools/infer/utility.py
@@ -311,10 +311,6 @@ def create_predictor(args, mode, logger):
 
 
 def get_infer_gpuid():
-    #cmd = "nvidia-smi"
-    #res = os.popen(cmd).readlines()
-    #if len(res) == 0:
-    #    return None
     cmd = "env | grep CUDA_VISIBLE_DEVICES"
     env_cuda = os.popen(cmd).readlines()
     if len(env_cuda) == 0: