diff --git a/.travis.yml b/.travis.yml
index 62bdd029d..613173d72 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,6 +24,7 @@ after_success:
   - git checkout -b release
   - cp -f .gitignore-release .gitignore
   - git add --all
+  - git rm --cached -r ./
   - git config --global user.email "AyaMorisawa4869@gmail.com"
   - git config --global user.name "Aya Morisawa"
   - git commit -m "Release build for $TRAVIS_COMMIT"