"Uninstall" (アンインストール,An'insutōru?) is a single by Japanese singer-songwriterChiaki Ishikawa. "Uninstall" and "Little Bird" are known as the theme songs for the anime Bokurano: Ours. "Uninstall" reached the number 13 spot on the Oricon's weekly charts, remaining on the charts for a total of 16 weeks.
"Uninstall"'s popularity in the Japanese Internet communities led to its constant inclusion in the Kumikyoku Nico Nico Douga mashups.