diff --git a/src/data/visuals.rs b/src/data/visuals.rs
index 2970f63..b1c2217 100644
--- a/src/data/visuals.rs
+++ b/src/data/visuals.rs
@@ -83,5 +83,3 @@ pub const TO_OVERMAP_GLYPH: char = '<';
 pub const TO_OVERMAP_COLOUR: (u8, u8, u8) = (205, 127, 50);
 pub const TO_TOWN_GLYPH: char = 'o';
 pub const TO_TOWN_COLOUR: (u8, u8, u8) = (205, 127, 50);
-pub const TO_INFINITE_GLYPH: char = '*';
-pub const TO_INFINITE_COLOUR: (u8, u8, u8) = (205, 127, 50);
diff --git a/src/gui/identify_menu.rs b/src/gui/identify_menu.rs
index 730dd64..3d0dbec 100644
--- a/src/gui/identify_menu.rs
+++ b/src/gui/identify_menu.rs
@@ -112,7 +112,7 @@ pub fn identify(gs: &mut State, ctx: &mut Rltk) -> (ItemMenuResult, Option<Entit
         };
         player_inventory
             .entry(unique_item)
-            .and_modify(|(e, count)| {
+            .and_modify(|(_e, count)| {
                 *count += 1;
             })
             .or_insert((entity, 1));
diff --git a/src/gui/mod.rs b/src/gui/mod.rs
index deb9d40..d4b8945 100644
--- a/src/gui/mod.rs
+++ b/src/gui/mod.rs
@@ -463,7 +463,7 @@ pub fn print_options(inventory: &PlayerInventory, mut x: i32, mut y: i32, ctx: &
 
 pub fn get_max_inventory_width(inventory: &PlayerInventory) -> i32 {
     let mut width: i32 = 0;
-    for (item, (e, count)) in inventory {
+    for (item, (_e, count)) in inventory {
         let mut this_width = item.display_name.singular.len() as i32;
         // Clean this up. It should use consts.
         this_width += 4; // The spaces before and after the character to select this item, etc.
@@ -749,7 +749,7 @@ pub fn get_player_inventory(ecs: &World) -> PlayerInventory {
         };
         player_inventory
             .entry(unique_item)
-            .and_modify(|(e, count)| {
+            .and_modify(|(_e, count)| {
                 *count += 1;
             })
             .or_insert((entity, 1));
diff --git a/src/gui/remove_curse_menu.rs b/src/gui/remove_curse_menu.rs
index e552c62..fd97dd2 100644
--- a/src/gui/remove_curse_menu.rs
+++ b/src/gui/remove_curse_menu.rs
@@ -95,7 +95,7 @@ pub fn remove_curse(gs: &mut State, ctx: &mut Rltk) -> (ItemMenuResult, Option<E
         };
         player_inventory
             .entry(unique_item)
-            .and_modify(|(e, count)| {
+            .and_modify(|(_e, count)| {
                 *count += 1;
             })
             .or_insert((entity, 1));
diff --git a/src/map/dungeon.rs b/src/map/dungeon.rs
index 161795c..8d18b9a 100644
--- a/src/map/dungeon.rs
+++ b/src/map/dungeon.rs
@@ -5,7 +5,6 @@ use serde::{ Deserialize, Serialize };
 use specs::prelude::*;
 use std::collections::{ HashMap, HashSet };
 use crate::data::events::*;
-use crate::data::ids::*;
 
 #[derive(Default, Serialize, Deserialize, Clone)]
 pub struct MasterDungeonMap {
diff --git a/src/map/themes.rs b/src/map/themes.rs
index b350c4d..e48585e 100644
--- a/src/map/themes.rs
+++ b/src/map/themes.rs
@@ -116,7 +116,7 @@ fn get_forest_theme_renderables(idx:usize, map: &Map, debug: Option<bool>) -> (r
         TileType::Wall => { glyph = rltk::to_cp437(FOREST_WALL_GLYPH); fg = RGB::named(FOREST_WALL_COLOUR); bg = RGB::named(GRASS_COLOUR); offsets = GRASS_OFFSETS; }
         TileType::Road => { glyph = rltk::to_cp437(ROAD_GLYPH); bg = RGB::named(ROAD_COLOUR); }
         TileType::ShallowWater => { glyph = rltk::to_cp437(SHALLOW_WATER_GLYPH); bg = RGB::named(SHALLOW_WATER_COLOUR); offsets = SHALLOW_WATER_OFFSETS; }
-        _ => { (glyph, fg, _, (offsets, bg_offsets)) = get_default_theme_renderables(idx, map, debug); bg = RGB::named(GRASS_COLOUR); bg_offsets = GRASS_OFFSETS; }
+        _ => { (glyph, fg, _, (offsets, _)) = get_default_theme_renderables(idx, map, debug); bg = RGB::named(GRASS_COLOUR); bg_offsets = GRASS_OFFSETS; }
     }
     if bg_offsets == (-1, -1, -1) {
         bg_offsets = offsets;
@@ -319,10 +319,11 @@ fn darken_by_distance(pos: Point, other_pos: Point) -> f32 {
         (distance - START_DARKEN_AT_N_TILES) /
         ((crate::data::entity::DEFAULT_VIEWSHED_STANDARD as f32) - START_DARKEN_AT_N_TILES);
     let interp_factor = interp_factor.max(0.0).min(1.0); // Clamp [0-1]
-    return (
+    let result =
         1.0 -
-        interp_factor * (1.0 - (if CONFIG.visuals.with_scanlines { MAX_DARKENING_IF_SCANLINES } else { MAX_DARKENING }))
-    );
+        interp_factor *
+            (1.0 - (if CONFIG.visuals.with_scanlines { MAX_DARKENING_IF_SCANLINES } else { MAX_DARKENING }));
+    return result;
 }
 
 fn brighten_by(mut fg: RGB, mut bg: RGB, amount: f32) -> (RGB, RGB) {