diff --git a/.travis.yml b/.travis.yml
index 8e87356..7815b08 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,6 +28,7 @@ after_success:
 before_deploy:
   - deploy-phpdoc-release.sh
   - composer install --no-dev --optimize-autoloader
+  - find vendor/ -type d -path 'vendor/*/*/.git' -print0 | xargs -0 rm -rf
   - tar -czf "pico-release-$TRAVIS_TAG.tar.gz" README.md LICENSE CONTRIBUTING.md CHANGELOG.md composer.json composer.lock config content-sample lib plugins themes vendor .htaccess index.php
 
 deploy: