diff --git a/src/game.rs b/src/game.rs
index 84ce0ee..6df22dd 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -12,7 +12,7 @@ impl Game<'_> {
     pub fn new(p: &mut Player) -> Game {
         let mut v: Vec<Level> = Vec::with_capacity(LEVELS);
         for _ in 0..LEVELS {
-            let mut l = Level::new();
+            let l = Level::new();
             v.push(l);
         }
         Game {
diff --git a/src/level.rs b/src/level.rs
index 3f52b95..a378320 100644
--- a/src/level.rs
+++ b/src/level.rs
@@ -5,7 +5,7 @@ pub const LEVEL_WIDTH: usize = 50;
 pub const LEVEL_HEIGHT: usize = 25;
 
 #[derive(Copy, Clone, Debug, PartialEq)]
-enum StructureElement {
+pub enum StructureElement {
     Wall,
     Floor,
     StairDown,
@@ -13,7 +13,7 @@ enum StructureElement {
     Unknown,
 }
 
-#[derive(Copy, Clone, Debug, PartialEq)]
+#[derive(Debug, PartialEq)]
 pub struct Level {
     structure: [[StructureElement; LEVEL_HEIGHT]; LEVEL_WIDTH],
     discovered: [[bool; LEVEL_HEIGHT]; LEVEL_WIDTH],
diff --git a/src/main.rs b/src/main.rs
index f2d6408..75796ea 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,4 @@
 use crate::game::Game;
-use crate::level::Level;
 use crate::player::Player;
 
 mod game;
diff --git a/src/monster.rs b/src/monster.rs
index 4ab207c..cd9e0f5 100644
--- a/src/monster.rs
+++ b/src/monster.rs
@@ -1,4 +1,4 @@
-use std::cmp::{max, min};
+use std::cmp::max;
 
 use crate::position::Position;