diff --git a/examples/the-dungeon-puzzlers-lament/src/game/simulation.rs b/examples/the-dungeon-puzzlers-lament/src/game/simulation.rs
index 574fda1b..997c332a 100644
--- a/examples/the-dungeon-puzzlers-lament/src/game/simulation.rs
+++ b/examples/the-dungeon-puzzlers-lament/src/game/simulation.rs
@@ -45,7 +45,7 @@ impl Simulation {
             entities.add(item, location);
         }
 
-        let (entities, animations) = entities.to_entity_map();
+        let (entities, animations) = entities.make_entity_map();
         for ani in animations {
             animation.populate(ani, sfx);
         }
diff --git a/examples/the-dungeon-puzzlers-lament/src/game/simulation/entity.rs b/examples/the-dungeon-puzzlers-lament/src/game/simulation/entity.rs
index 6d38b2ee..b697dff2 100644
--- a/examples/the-dungeon-puzzlers-lament/src/game/simulation/entity.rs
+++ b/examples/the-dungeon-puzzlers-lament/src/game/simulation/entity.rs
@@ -34,10 +34,10 @@ impl EntityMapMaker {
     }
 
     pub fn add(&mut self, entity: crate::level::Item, location: Vector2D<i32>) {
-        let idx = self.map.push((entity, location));
+        self.map.push((entity, location));
     }
 
-    pub fn to_entity_map(mut self) -> (EntityMap, Vec<AnimationInstruction>) {
+    pub fn make_entity_map(mut self) -> (EntityMap, Vec<AnimationInstruction>) {
         self.map
             .sort_unstable_by_key(|(_, location)| location.x + location.y * 100);
         let mut entity_map = EntityMap {
@@ -1111,7 +1111,7 @@ mod tests {
                 simulator.add(solution_entity.0, solution_entity.1);
             }
 
-            let (mut simulator, _) = simulator.to_entity_map();
+            let (mut simulator, _) = simulator.make_entity_map();
 
             for &direction in level.directions {
                 let (outcome, _) = simulator.tick(&level.map, Action::Direction(direction));