diff --git a/src/colour.rs b/src/colour.rs
index dce20ce..5c1ff5f 100644
--- a/src/colour.rs
+++ b/src/colour.rs
@@ -9,7 +9,6 @@ pub struct Colour {
 pub struct InvalidRgb;
 
 impl Colour {
-    #[inline]
     pub(crate) fn from(string: &str) -> Result<Colour, InvalidRgb> {
         let values: Vec<&str> = string.trim_matches(',').split(',').collect();
 
@@ -26,7 +25,6 @@ impl Colour {
 }
 
 impl ToString for Colour {
-    #[inline]
     fn to_string(&self) -> String {
         format!("{},{},{}", self.red, self.green, self.blue)
     }
diff --git a/src/dialogue.rs b/src/dialogue.rs
index 26a8e90..829ad30 100644
--- a/src/dialogue.rs
+++ b/src/dialogue.rs
@@ -26,7 +26,6 @@ impl From<String> for Dialogue {
 }
 
 impl ToString for Dialogue {
-    #[inline]
     fn to_string(&self) -> String {
         format!(
             "DLG {}\n{}{}",
diff --git a/src/ending.rs b/src/ending.rs
index 14a5d17..2d503ab 100644
--- a/src/ending.rs
+++ b/src/ending.rs
@@ -24,7 +24,6 @@ impl FromStr for Ending {
 }
 
 impl fmt::Display for Ending {
-    #[inline]
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f,"END {}\n{}", self.id, self.dialogue)
     }
diff --git a/src/exit.rs b/src/exit.rs
index 7571989..eb4a757 100644
--- a/src/exit.rs
+++ b/src/exit.rs
@@ -17,7 +17,6 @@ pub enum Transition {
 }
 
 impl From<&str> for Transition {
-    #[inline]
     fn from(str: &str) -> Transition {
         match str {
             "fade_w" => Transition::FadeToWhite,
diff --git a/src/game.rs b/src/game.rs
index 4e8a92d..8d04a11 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -35,7 +35,6 @@ impl RoomFormat {
 pub enum RoomType {Room, Set}
 
 impl ToString for RoomType {
-    #[inline]
     fn to_string(&self) -> String {
         match &self {
             RoomType::Set  => "SET",
@@ -54,7 +53,6 @@ pub struct Version {
 pub struct InvalidVersion;
 
 impl Version {
-    #[inline]
     fn from(str: &str) -> Result<Version, InvalidVersion> {
         let parts: Vec<&str> = str.split(".").collect();
         if parts.len() == 2 {
@@ -102,7 +100,6 @@ pub struct GameHasNoAvatar;
 // todo no tiles? no rooms? no palettes? turn this into an enum?
 
 impl Game {
-    #[inline]
     pub fn from(string: String) -> Result<Game, NotFound> {
         let line_endings_crlf = string.contains("\r\n");
         let mut string = string;
@@ -243,7 +240,6 @@ impl Game {
     }
 
     /// todo refactor this into "get T by ID", taking a Vec<T> and an ID name?
-    #[inline]
     pub fn get_sprite_by_id(&self, id: String) -> Result<&Sprite, NotFound> {
         let index = self.sprites.iter().position(
             |sprite| sprite.id == id
@@ -525,7 +521,6 @@ impl Game {
 }
 
 impl ToString for Game {
-    #[inline]
     fn to_string(&self) -> String {
         let mut segments: Vec<String> = Vec::new();
 
@@ -585,43 +580,33 @@ impl ToString for Game {
 
 impl Game {
     // todo dedupe
-
-    #[inline]
     pub fn palette_ids(&self) -> Vec<String> {
         self.palettes.iter().map(|palette| palette.id.clone()).collect()
     }
 
-    #[inline]
     pub fn tile_ids(&self) -> Vec<String> {
         self.tiles.iter().map(|tile| tile.id.clone()).collect()
     }
 
-    #[inline]
     pub fn sprite_ids(&self) -> Vec<String> {
         self.sprites.iter().map(|sprite| sprite.id.clone()).collect()
     }
-
-    #[inline]
     pub fn room_ids(&self) -> Vec<String> {
         self.rooms.iter().map(|room| room.id.clone()).collect()
     }
 
-    #[inline]
     pub fn item_ids(&self) -> Vec<String> {
         self.items.iter().map(|item| item.id.clone()).collect()
     }
 
-    #[inline]
     pub fn dialogue_ids(&self) -> Vec<String> {
         self.dialogues.iter().map(|dialogue| dialogue.id.clone()).collect()
     }
 
-    #[inline]
     pub fn ending_ids(&self) -> Vec<String> {
         self.endings.iter().map(|ending| ending.id.clone()).collect()
     }
 
-    #[inline]
     pub fn variable_ids(&self) -> Vec<String> {
         self.variables.iter().map(|variable| variable.id.clone()).collect()
     }
@@ -635,7 +620,6 @@ impl Game {
     /// first available tile ID.
     /// e.g. if current tile IDs are [0, 2, 3] the result will be `1`
     ///      if current tile IDs are [0, 1, 2] the result will be `3`
-    #[inline]
     pub fn new_tile_id(&self) -> String {
         let mut ids = self.tile_ids();
         // don't allow 0 - this is a reserved ID for an implicit background tile
@@ -679,7 +663,6 @@ impl Game {
     }
 
     /// adds a palette safely and returns the ID
-    #[inline]
     pub fn add_palette(&mut self, mut palette: Palette) -> String {
         let new_id = try_id(&self.palette_ids(), &palette.id);
         if new_id != palette.id {
@@ -690,7 +673,6 @@ impl Game {
     }
 
     /// adds a tile safely and returns the ID
-    #[inline]
     pub fn add_tile(&mut self, mut tile: Tile) -> String {
         if tile.id == "0".to_string() || self.tile_ids().contains(&tile.id) {
             let new_id = self.new_tile_id();
@@ -704,7 +686,6 @@ impl Game {
     }
 
     /// adds a sprite safely and returns the ID
-    #[inline]
     pub fn add_sprite(&mut self, mut sprite: Sprite) -> String {
         let new_id = try_id(&self.sprite_ids(), &sprite.id);
         if new_id != sprite.id {
@@ -715,7 +696,6 @@ impl Game {
     }
 
     /// adds an item safely and returns the ID
-    #[inline]
     pub fn add_item(&mut self, mut item: Item) -> String {
         let new_id = try_id(&self.item_ids(), &item.id);
         if new_id != item.id {
@@ -726,7 +706,6 @@ impl Game {
     }
 
     /// adds a dialogue safely and returns the ID
-    #[inline]
     pub fn add_dialogue(&mut self, mut dialogue: Dialogue) -> String {
         let new_id = try_id(&self.dialogue_ids(), &dialogue.id);
         if new_id != dialogue.id {
@@ -798,7 +777,6 @@ impl Game {
         self.tiles = unique_tiles;
     }
 
-    #[inline]
     fn version_line(&self) -> String {
         if self.version.is_some() {
             format!(
@@ -810,7 +788,6 @@ impl Game {
         }
     }
 
-    #[inline]
     fn room_format_line(&self) -> String {
         if self.room_format.is_some() {
             format!("\n\n! ROOM_FORMAT {}", self.room_format.unwrap().to_string())
@@ -819,7 +796,6 @@ impl Game {
         }
     }
 
-    #[inline]
     fn font_line(&self) -> String {
         if self.font == Font::AsciiSmall {
             "".to_string()
@@ -832,7 +808,6 @@ impl Game {
         }
     }
 
-    #[inline]
     fn text_direction_line(&self) -> &str {
         if self.text_direction == TextDirection::RightToLeft {
             "\n\nTEXT_DIRECTION RTL"
@@ -842,13 +817,11 @@ impl Game {
     }
 
     /// older bitsy games do not specify a version, but we can infer 1.0
-    #[inline]
     pub fn version(&self) -> Version {
         self.version.unwrap_or(Version { major: 1, minor: 0 })
     }
 
     /// older bitsy games do not specify a room format, but we can infer 0
-    #[inline]
     pub fn room_format(&self) -> RoomFormat {
         self.room_format.unwrap_or(RoomFormat::Contiguous)
     }
diff --git a/src/image.rs b/src/image.rs
index 31cbe27..c55a843 100644
--- a/src/image.rs
+++ b/src/image.rs
@@ -4,7 +4,6 @@ pub struct Image {
 }
 
 impl From<String> for Image {
-    #[inline]
     fn from(string: String) -> Image {
         let string = string.replace("NaN", "0");
         let string = string.trim();
@@ -24,7 +23,6 @@ impl From<String> for Image {
 }
 
 impl ToString for Image {
-    #[inline]
     fn to_string(&self) -> String {
         let mut string = String::new();
 
@@ -42,7 +40,6 @@ impl ToString for Image {
     }
 }
 
-#[inline]
 pub(crate) fn animation_frames_from_string(string: String) -> Vec<Image> {
     let frames: Vec<&str> = string.split(">").collect();
 
diff --git a/src/item.rs b/src/item.rs
index 78a0592..bfe287e 100644
--- a/src/item.rs
+++ b/src/item.rs
@@ -11,24 +11,20 @@ pub struct Item {
 }
 
 impl Item {
-    #[inline]
     fn name_line(&self) -> String {
         optional_data_line("NAME", self.name.as_ref())
     }
 
-    #[inline]
     fn dialogue_line(&self) -> String {
         optional_data_line("DLG", self.dialogue_id.as_ref())
     }
 
-    #[inline]
     fn colour_line(&self) -> String {
         optional_data_line("COL", self.colour_id.as_ref())
     }
 }
 
 impl From<String> for Item {
-    #[inline]
     fn from(string: String) -> Item {
         let mut lines: Vec<&str> = string.lines().collect();
 
@@ -67,7 +63,6 @@ impl From<String> for Item {
 }
 
 impl ToString for Item {
-    #[inline]
     fn to_string(&self) -> String {
         format!(
             "ITM {}\n{}{}{}{}",
diff --git a/src/lib.rs b/src/lib.rs
index 2da3ba7..7637e9a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -59,7 +59,6 @@ pub trait AnimationFrames {
 }
 
 impl AnimationFrames for Vec<Image> {
-    #[inline]
     fn to_string(&self) -> String {
         let mut string = String::new();
         let last_frame = self.len() - 1;
@@ -77,7 +76,6 @@ impl AnimationFrames for Vec<Image> {
 }
 
 /// this doesn't work inside ToBase36 for some reason
-#[inline]
 fn to_base36(int: u64) -> String {
     format!("{}", radix_36(int))
 }
@@ -87,14 +85,12 @@ pub trait ToBase36 {
 }
 
 impl ToBase36 for u64 {
-    #[inline]
     fn to_base36(&self) -> String {
         to_base36(*self)
     }
 }
 
 /// e.g. `\nNAME DLG_0`
-#[inline]
 fn optional_data_line<T: Display>(label: &str, item: Option<T>) -> String {
     if item.is_some() {
         format!("\n{} {}", label, item.unwrap())
@@ -103,7 +99,6 @@ fn optional_data_line<T: Display>(label: &str, item: Option<T>) -> String {
     }
 }
 
-#[inline]
 fn transform_line_endings(input: String, mode: TransformMode) -> String {
     let mut input = Cursor::new(input);
     let mut output = Cursor::new(Vec::new());
@@ -112,7 +107,6 @@ fn transform_line_endings(input: String, mode: TransformMode) -> String {
     String::from_utf8(output.into_inner()).unwrap()
 }
 
-#[inline]
 fn segments_from_string(string: String) -> Vec<String> {
     // this is pretty weird but a dialogue can just have an empty line followed by a name
     // however, on entering two empty lines, dialogue will be wrapped in triple quotation marks
@@ -160,7 +154,6 @@ fn is_id_available(ids: &Vec<String>, id: &String) -> bool {
 }
 
 /// e.g. pass all tile IDs into this to get a new non-conflicting tile ID
-#[inline]
 fn new_unique_id(ids: Vec<String>) -> String {
     let mut new_id: u64 = 0;
 
@@ -176,7 +169,6 @@ pub trait Quote {
 }
 
 impl Quote for String {
-    #[inline]
     fn quote(&self) -> String {
         format!("\"\"\"\n{}\n\"\"\"", self).to_string()
     }
@@ -187,7 +179,6 @@ pub trait Unquote {
 }
 
 impl Unquote for String {
-    #[inline]
     fn unquote(&self) -> String {
         self.trim_matches('\"').trim_matches('\n').to_string()
     }
diff --git a/src/mock.rs b/src/mock.rs
index bdb4c07..fa67b2e 100644
--- a/src/mock.rs
+++ b/src/mock.rs
@@ -4,7 +4,6 @@ use crate::game::{RoomType, RoomFormat};
 pub mod image {
     use crate::Image;
 
-    #[inline]
     pub fn chequers_1() -> Image {
         Image {
             pixels: vec![
@@ -15,7 +14,6 @@ pub mod image {
         }
     }
 
-    #[inline]
     pub fn chequers_2() -> Image {
         Image {
             pixels: vec![
@@ -25,8 +23,7 @@ pub mod image {
             ],
         }
     }
-    
-    #[inline]
+
     pub fn animation_frames() -> Vec<Image> {
         vec![
             Image {
@@ -81,7 +78,6 @@ pub mod image {
     }
 }
 
-#[inline]
 pub fn avatar() -> Sprite {
     Sprite {
         id: "0".to_string(),
@@ -110,7 +106,6 @@ pub fn avatar() -> Sprite {
     }
 }
 
-#[inline]
 pub fn tile_default() -> Tile {
     Tile {
         id: "a".to_string(),
@@ -127,7 +122,6 @@ pub fn tile_default() -> Tile {
     }
 }
 
-#[inline]
 pub fn tile_background() -> Tile {
     Tile {
         id: "0".to_string(),
@@ -138,7 +132,6 @@ pub fn tile_background() -> Tile {
     }
 }
 
-#[inline]
 pub fn sprite() -> Sprite {
     Sprite {
         id: "a".to_string(),
@@ -210,7 +203,6 @@ pub fn item() -> Item {
     }
 }
 
-#[inline]
 pub fn room() -> Room {
     Room {
         id: "a".to_string(),
@@ -514,7 +506,6 @@ pub fn room() -> Room {
     }
 }
 
-#[inline]
 pub fn game_default() -> Game {
     Game {
         name: "Write your game's title here".to_string(),
diff --git a/src/palette.rs b/src/palette.rs
index ee48aef..8644b2d 100644
--- a/src/palette.rs
+++ b/src/palette.rs
@@ -8,7 +8,6 @@ pub struct Palette {
 }
 
 impl From<String> for Palette {
-    #[inline]
     fn from(string: String) -> Palette {
         let lines: Vec<&str> = string.lines().collect();
 
@@ -31,7 +30,6 @@ impl From<String> for Palette {
 }
 
 impl ToString for Palette {
-    #[inline]
     fn to_string(&self) -> String {
         let name = if self.name.as_ref().is_some() {
             format!("NAME {}\n", self.name.as_ref().unwrap())
diff --git a/src/position.rs b/src/position.rs
index 2736b8d..dd15e00 100644
--- a/src/position.rs
+++ b/src/position.rs
@@ -31,7 +31,6 @@ impl FromStr for Position {
 }
 
 impl fmt::Display for Position {
-    #[inline]
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "{},{}", self.x, self.y)
     }
diff --git a/src/room.rs b/src/room.rs
index 1207ae5..55356e3 100644
--- a/src/room.rs
+++ b/src/room.rs
@@ -20,12 +20,10 @@ pub struct Room {
 }
 
 impl Room {
-    #[inline]
     fn name_line(&self) -> String {
         optional_data_line("NAME", self.name.as_ref())
     }
 
-    #[inline]
     fn wall_line(&self) -> String {
         if self.walls.len() > 0 {
             optional_data_line("WAL", Some(self.walls.join(",")))
@@ -34,7 +32,6 @@ impl Room {
         }
     }
 
-    #[inline]
     fn palette_line(&self) -> String {
         if self.palette_id.is_some() {
             optional_data_line("PAL", Some(self.palette_id.as_ref().unwrap()))
@@ -45,7 +42,6 @@ impl Room {
 }
 
 impl From<String> for Room {
-    #[inline]
     fn from(string: String) -> Room {
         let string = string.replace("ROOM ", "");
         let string = string.replace("SET ", "");
@@ -159,7 +155,6 @@ impl From<String> for Room {
 }
 
 impl Room {
-    #[inline]
     pub fn to_string(&self, room_format: RoomFormat, room_type: RoomType) -> String {
         let mut tiles = String::new();
         let mut items = String::new();
@@ -226,7 +221,6 @@ impl Room {
     }
 
     /// "changes" is a hash of old -> new tile IDs
-    #[inline]
     pub fn change_tile_ids(&mut self, changes: &HashMap<String, String>) {
         self.tiles = self.tiles.iter().map(|tile_id|
             changes.get(tile_id).unwrap_or(tile_id).clone()
diff --git a/src/sprite.rs b/src/sprite.rs
index 20a82af..866ecbc 100644
--- a/src/sprite.rs
+++ b/src/sprite.rs
@@ -15,17 +15,14 @@ pub struct Sprite {
 }
 
 impl Sprite {
-    #[inline]
     fn name_line(&self) -> String {
         optional_data_line("NAME", self.name.as_ref())
     }
 
-    #[inline]
     fn dialogue_line(&self) -> String {
         optional_data_line("DLG", self.dialogue_id.as_ref())
     }
 
-    #[inline]
     fn room_position_line(&self) -> String {
         if self.room_id.is_some() && self.position.is_some() {
             format!(
@@ -38,12 +35,10 @@ impl Sprite {
         }
     }
 
-    #[inline]
     fn colour_line(&self) -> String {
         optional_data_line("COL", self.colour_id.as_ref())
     }
 
-    #[inline]
     fn item_lines(&self) -> String {
         if self.items.len() == 0 {
             "".to_string()
@@ -59,7 +54,6 @@ pub struct SpriteMissingRoomPosition;
 // todo "malformed sprite ID" or something
 
 impl Sprite {
-    #[inline]
     pub(crate) fn from(string: String) -> Result<Sprite, SpriteMissingRoomPosition> {
         let mut lines: Vec<&str> = string.lines().collect();
 
@@ -118,7 +112,6 @@ impl Sprite {
 }
 
 impl ToString for Sprite {
-    #[inline]
     fn to_string(&self) -> String {
         format!(
             "SPR {}\n{}{}{}{}{}{}",
diff --git a/src/text.rs b/src/text.rs
index 2591633..a732573 100644
--- a/src/text.rs
+++ b/src/text.rs
@@ -9,7 +9,6 @@ pub enum Font {
 }
 
 impl Font {
-    #[inline]
     pub(crate) fn from(str: &str) -> Font {
         match str {
             "unicode_european_small" => Font::UnicodeEuropeanSmall,
@@ -20,7 +19,6 @@ impl Font {
         }
     }
 
-    #[inline]
     pub(crate) fn to_string(&self) -> Result<String, &'static str> {
         match &self {
             Font::UnicodeEuropeanSmall => Ok("unicode_european_small".to_string()),
diff --git a/src/tile.rs b/src/tile.rs
index 7545ac5..dbcf6fe 100644
--- a/src/tile.rs
+++ b/src/tile.rs
@@ -23,12 +23,10 @@ impl PartialEq for Tile {
 }
 
 impl Tile {
-    #[inline]
     fn name_line(&self) -> String {
         optional_data_line("NAME", self.name.as_ref())
     }
 
-    #[inline]
     fn wall_line(&self) -> String {
         if self.wall.is_some() {
             format!("\nWAL {}", self.wall.unwrap())
@@ -37,7 +35,6 @@ impl Tile {
         }
     }
 
-    #[inline]
     fn colour_line(&self) -> String {
         if self.colour_id.is_some() {
             format!("\nCOL {}", self.colour_id.unwrap())
@@ -48,7 +45,6 @@ impl Tile {
 }
 
 impl From<String> for Tile {
-    #[inline]
     fn from(string: String) -> Tile {
         let mut lines: Vec<&str> = string.lines().collect();
 
@@ -88,7 +84,6 @@ impl From<String> for Tile {
 }
 
 impl ToString for Tile {
-    #[inline]
     fn to_string(&self) -> String {
         format!(
             "TIL {}\n{}{}{}{}",
diff --git a/src/variable.rs b/src/variable.rs
index 687b5f1..681bb04 100644
--- a/src/variable.rs
+++ b/src/variable.rs
@@ -5,7 +5,6 @@ pub struct Variable {
 }
 
 impl From<String> for Variable {
-    #[inline]
     fn from(string: String) -> Variable {
         let id_value: Vec<&str> = string.lines().collect();
         let id = id_value[0].replace("VAR ", "").to_string();
@@ -21,7 +20,6 @@ impl From<String> for Variable {
 }
 
 impl ToString for Variable {
-    #[inline]
     fn to_string(&self) -> String {
         format!("VAR {}\n{}", self.id, self.initial_value)
     }