diff --git a/deepvoice3/README.md b/deepvoice3/README.md
index a3fd4b9..4fa0e52 100644
--- a/deepvoice3/README.md
+++ b/deepvoice3/README.md
@@ -92,7 +92,6 @@ When this is done, you will see extracted features in `./data/ljspeech` includin
 Training the whole model on one single GPU:
 
 ```bash
-export PYTHONPATH=../:$PYTHONPATH
 export CUDA_VISIBLE_DEVICES=0
 python train.py --data-root=${data-root} --use-gpu \
     --preset=${preset_json_path} \