diff --git a/src/falling_sand/rules.rs b/src/falling_sand/rules.rs
index af7c841..94625c8 100644
--- a/src/falling_sand/rules.rs
+++ b/src/falling_sand/rules.rs
@@ -1,6 +1,4 @@
-use std::collections::HashMap;
-
-use bevy::ecs::system::Resource;
+use bevy::{ecs::system::Resource, utils::HashMap};
 
 use super::Element;