diff --git a/egs/librispeech/ASR/.prepare_vox.sh.swp b/egs/librispeech/ASR/.prepare_vox.sh.swp
index 522131cc8..feab93ca3 100644
Binary files a/egs/librispeech/ASR/.prepare_vox.sh.swp and b/egs/librispeech/ASR/.prepare_vox.sh.swp differ
diff --git a/egs/librispeech/ASR/prepare_vox.sh b/egs/librispeech/ASR/prepare_vox.sh
index a459a8e8d..2f5e4d842 100755
--- a/egs/librispeech/ASR/prepare_vox.sh
+++ b/egs/librispeech/ASR/prepare_vox.sh
@@ -192,6 +192,7 @@ fi
 if [ $stage -le 7 ] && [ $stop_stage -ge 7 ]; then
   log "Stage 7: Re-Compute fbank for Vox"
   mkdir -p data/fbank
+  rm -rf data/fbank/vox*
   if [ ! -e data/fbank/.LJSpeech.done ]; then
 	  for dest in "test-clean" "test-other"; do
 		  for spk in $dl_dir/$dest/*; do