diff --git a/_sprites/original/chapter4/spr_bell_note/spr_bell_note_0.png b/_sprites/original/chapter4/spr_bell_note/spr_bell_note_0.png deleted file mode 100644 index 6bd5eca..0000000 Binary files a/_sprites/original/chapter4/spr_bell_note/spr_bell_note_0.png and /dev/null differ diff --git a/_sprites/original/chapter4/spr_bell_note/spr_bell_note_1.png b/_sprites/original/chapter4/spr_bell_note/spr_bell_note_1.png deleted file mode 100644 index 834d76d..0000000 Binary files a/_sprites/original/chapter4/spr_bell_note/spr_bell_note_1.png and /dev/null differ diff --git a/_sprites/original/chapter4/spr_bell_note/spr_bell_note_2.png b/_sprites/original/chapter4/spr_bell_note/spr_bell_note_2.png deleted file mode 100644 index a25684e..0000000 Binary files a/_sprites/original/chapter4/spr_bell_note/spr_bell_note_2.png and /dev/null differ diff --git a/_sprites/original/chapter4/spr_bell_note/spr_bell_note_3.png b/_sprites/original/chapter4/spr_bell_note/spr_bell_note_3.png deleted file mode 100644 index 08bf118..0000000 Binary files a/_sprites/original/chapter4/spr_bell_note/spr_bell_note_3.png and /dev/null differ diff --git a/_sprites/original/chapter4/spr_bell_note/spr_bell_note_4.png b/_sprites/original/chapter4/spr_bell_note/spr_bell_note_4.png deleted file mode 100644 index 430d0ba..0000000 Binary files a/_sprites/original/chapter4/spr_bell_note/spr_bell_note_4.png and /dev/null differ