diff --git a/seed/mk-final.sh b/seed/mk-final.sh
index e9a36e031781641b4e8672bd8389fc2ca18411f8..76d057478c3da4faee6dfd6536bbd7b28c6f6b4d 100755
--- a/seed/mk-final.sh
+++ b/seed/mk-final.sh
@@ -3,7 +3,7 @@
 PATH="/bin:/usr/local/libexec/mecab:/usr/lib/mecab:/usr/local/Cellar/mecab/0.994/libexec/mecab:/sw/lib/mecab/"
 export PATH
 
-rm -f sys.dic
+rm -f sys.dic ../final/*.csv
 
 mecab-dict-index -f utf-8 -t utf-8