diff --git a/public/sounds/ambient/bedroom cyberpunk.mp3 b/public/sounds/ambient/bedroom cyberpunk.mp3 deleted file mode 100644 index 5bf402ec8..000000000 Binary files a/public/sounds/ambient/bedroom cyberpunk.mp3 and /dev/null differ diff --git a/public/sounds/ambient/cityscape medieval market.mp3 b/public/sounds/ambient/cityscape medieval market.mp3 deleted file mode 100644 index b4ba7d3b5..000000000 Binary files a/public/sounds/ambient/cityscape medieval market.mp3 and /dev/null differ diff --git a/public/sounds/ambient/cityscape postapoc.mp3 b/public/sounds/ambient/cityscape postapoc.mp3 deleted file mode 100644 index edbda527d..000000000 Binary files a/public/sounds/ambient/cityscape postapoc.mp3 and /dev/null differ diff --git a/public/sounds/ambient/japan classroom.mp3 b/public/sounds/ambient/japan classroom.mp3 deleted file mode 100644 index 29a954904..000000000 Binary files a/public/sounds/ambient/japan classroom.mp3 and /dev/null differ diff --git a/public/sounds/ambient/landscape autumn great tree.mp3 b/public/sounds/ambient/landscape autumn great tree.mp3 deleted file mode 100644 index d07906e42..000000000 Binary files a/public/sounds/ambient/landscape autumn great tree.mp3 and /dev/null differ diff --git a/public/sounds/ambient/landscape beach day.mp3 b/public/sounds/ambient/landscape beach day.mp3 deleted file mode 100644 index c3e887bcd..000000000 Binary files a/public/sounds/ambient/landscape beach day.mp3 and /dev/null differ diff --git a/public/sounds/ambient/landscape beach night.mp3 b/public/sounds/ambient/landscape beach night.mp3 deleted file mode 100644 index bc3db37d8..000000000 Binary files a/public/sounds/ambient/landscape beach night.mp3 and /dev/null differ diff --git a/public/sounds/ambient/landscape winter lake house.mp3 b/public/sounds/ambient/landscape winter lake house.mp3 deleted file mode 100644 index c35ae79a2..000000000 Binary files a/public/sounds/ambient/landscape winter lake house.mp3 and /dev/null differ diff --git a/public/sounds/bgm/cup-of-cohee.ogg b/public/sounds/bgm/cup-of-cohee.ogg deleted file mode 100644 index 81203ed60..000000000 Binary files a/public/sounds/bgm/cup-of-cohee.ogg and /dev/null differ