diff --git a/src/game.rs b/src/game.rs
index 4f21fd3..722d43b 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -1,4 +1,3 @@
-use std::ops::Deref;
 use crate::artifacts::Artifact;
 use crate::level::{Level, StructureElement};
 use crate::level_generator::LevelGenerator;
diff --git a/src/level.rs b/src/level.rs
index 9a4420c..1225c9f 100644
--- a/src/level.rs
+++ b/src/level.rs
@@ -32,6 +32,7 @@ pub struct Level {
 }
 
 impl Level {
+    #[cfg(test)]
     pub fn new(level: usize) -> Level {
         let mut s = [[StructureElement::Wall; LEVEL_HEIGHT]; LEVEL_WIDTH];
         for x in 2..LEVEL_WIDTH - 2 {
@@ -76,6 +77,7 @@ impl Level {
         }
         (Some(self.structure[x][y]), res_m, res_a)
     }
+    #[cfg(test)]
     pub fn add_monster(&mut self, mut monster: Monster) -> Result<(), String> {
         if self.level != monster.get_position().get_level() {
             return Err("Wrong Level".to_string());
@@ -89,21 +91,7 @@ impl Level {
         Ok(())
     }
 
-    pub fn remove_dead_monster(&mut self, position: &Position) -> Result<(), String> {
-        if self.level != position.get_level() {
-            return Err("Wrong Level".to_string());
-        }
-        for (index, m) in &mut self.monsters.iter().enumerate() {
-            if m.get_immutable_position() == position {
-                if !m.is_dead() {
-                    return Err("Monster not dead".to_string());
-                }
-                self.monsters.remove(index);
-                break;
-            }
-        }
-        Ok(())
-    }
+    #[cfg(test)]
     pub fn add_artifact(&mut self, artifact: impl Artifact + 'static) -> Result<(), String> {
         if self.level != artifact.get_immutable_position().get_level() {
             return Err("Wrong Level".to_string());
@@ -116,18 +104,6 @@ impl Level {
         self.artifacts.push(Box::new(artifact));
         Ok(())
     }
-    pub fn remove_artifact(&mut self, position: &Position) -> Result<(), String> {
-        if self.level != position.get_level() {
-            return Err("Wrong Level".to_string());
-        }
-        for (index, a) in &mut self.artifacts.iter().enumerate() {
-            if a.get_immutable_position() == position {
-                self.artifacts.remove(index);
-                break;
-            }
-        }
-        Ok(())
-    }
     /// discover the area with in the level around the given position
     pub fn discover(&mut self, pos: &Position) {
         let x = pos.get_x();
@@ -304,38 +280,3 @@ fn test_discover_get_monster_can_move() {
     assert!(m.is_some());
     assert_eq!(m.unwrap().get_life(), 23);
 }
-
-#[test]
-fn test_monster_can_be_removed() {
-    let mut level = Level::new(0);
-    level.discover(&Position::new(0, 10, 10));
-
-    let mut m = Monster::new(2);
-    m.get_position().set(0, 10, 10);
-    level.add_monster(m).expect("Panic because of");
-
-    let m = level.get_element(10, 10).1.unwrap();
-    m.decrease_life(3);
-
-    assert_eq!(level.remove_dead_monster(&Position::new(0, 10, 10)), Ok(()));
-
-    assert!(level.get_element(10, 10).1.is_none());
-}
-
-#[test]
-fn test_artefact_can_be_removed() {
-    let mut l = Level::new(0);
-    let p = Position::new(0, 10, 10);
-    l.discover(&p);
-    assert_eq!(l.get_element(10, 10).0.unwrap(), StructureElement::Floor);
-    assert!(l.get_element(10, 10).2.is_none());
-
-    let a = Chest::new(Position::new(0, 10, 10));
-    assert_eq!(l.add_artifact(a), Ok(()));
-
-    l.remove_artifact(&Position::new(0, 10, 10)).expect("Foo");
-
-    let elem = l.get_element(10, 10);
-    assert_eq!(elem.0.unwrap(), StructureElement::Floor);
-    assert!(elem.2.is_none());
-}
diff --git a/src/monster.rs b/src/monster.rs
index 055a839..326542f 100644
--- a/src/monster.rs
+++ b/src/monster.rs
@@ -6,6 +6,7 @@ pub struct Monster {
 }
 
 impl Monster {
+    #[cfg(test)]
     pub fn new(life: usize) -> Self {
         Monster {
             life,
@@ -18,11 +19,13 @@ impl Monster {
             position,
         }
     }
+    #[cfg(test)]
     pub fn get_life(&self) -> usize { self.life }
     pub fn is_dead(&self) -> bool { self.life <= 0 }
     pub fn decrease_life(&mut self, by: usize) {
         self.life = self.life.saturating_sub(by);
     }
+    #[cfg(test)]
     pub fn get_position(&mut self) -> &mut Position {
         &mut self.position
     }