diff --git a/book/src/pong/ball.aseprite b/book/src/pong/ball.aseprite deleted file mode 100644 index 83fa3e61..00000000 Binary files a/book/src/pong/ball.aseprite and /dev/null differ diff --git a/book/src/pong/sprites.aseprite b/book/src/pong/sprites.aseprite index ec9761f9..83fa3e61 100644 Binary files a/book/src/pong/sprites.aseprite and b/book/src/pong/sprites.aseprite differ