diff --git a/src/actor.rs b/src/actor.rs
index c2a29d3..48a4fd7 100644
--- a/src/actor.rs
+++ b/src/actor.rs
@@ -16,7 +16,6 @@
 
 use bevy::prelude::*;
 use bevy_xpbd_3d::prelude::*;
-use bevy::math::DVec3;
 use crate::prelude::*;
 
 pub const ENGINE_SPEED_FACTOR: f32 = 30.0;
diff --git a/src/camera.rs b/src/camera.rs
index 7b9fbdf..f6f296d 100644
--- a/src/camera.rs
+++ b/src/camera.rs
@@ -19,7 +19,6 @@ use bevy::core_pipeline::bloom::{BloomCompositeMode, BloomSettings};
 use bevy::core_pipeline::tonemapping::Tonemapping;
 use bevy::pbr::{CascadeShadowConfigBuilder, DirectionalLightShadowMap};
 use bevy::transform::TransformSystem;
-use bevy::math::{DVec3, DQuat};
 use bevy_xpbd_3d::prelude::*;
 use bevy_xpbd_3d::plugins::sync;
 use crate::prelude::*;
diff --git a/src/chat.rs b/src/chat.rs
index 5c4a79e..c114223 100644
--- a/src/chat.rs
+++ b/src/chat.rs
@@ -13,7 +13,6 @@
 
 use crate::prelude::*;
 use bevy::prelude::*;
-use bevy::math::DVec3;
 use bevy_xpbd_3d::prelude::*;
 use serde_yaml::Value;
 use serde::Deserialize;
diff --git a/src/cmd.rs b/src/cmd.rs
index 87190da..9e0b8b0 100644
--- a/src/cmd.rs
+++ b/src/cmd.rs
@@ -13,7 +13,6 @@
 extern crate regex;
 use bevy::prelude::*;
 use bevy_xpbd_3d::prelude::*;
-use bevy::math::DVec3;
 use bevy::pbr::{NotShadowCaster, NotShadowReceiver};
 use crate::prelude::*;
 use regex::Regex;
diff --git a/src/common.rs b/src/common.rs
index 1970bdd..3e44f06 100644
--- a/src/common.rs
+++ b/src/common.rs
@@ -12,6 +12,8 @@
 
 use bevy::prelude::*;
 
+pub use bevy::math::{DVec3, DQuat};
+
 pub use std::f32::consts::PI as PI32;
 pub use std::f64::consts::PI;
 pub const EPSILON32: f32 = 1e-9;
diff --git a/src/game.rs b/src/game.rs
index 289ce2a..5ee3351 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -12,7 +12,6 @@
 
 use crate::prelude::*;
 use bevy::prelude::*;
-use bevy::math::DVec3;
 use bevy::pbr::ExtendedMaterial;
 use bevy::scene::SceneInstance;
 use bevy_xpbd_3d::prelude::*;
diff --git a/src/hud.rs b/src/hud.rs
index e22a7e3..abb45ec 100644
--- a/src/hud.rs
+++ b/src/hud.rs
@@ -16,7 +16,6 @@ use bevy::prelude::*;
 use bevy::diagnostic::{DiagnosticsStore, FrameTimeDiagnosticsPlugin};
 use bevy::transform::TransformSystem;
 use bevy_xpbd_3d::prelude::*;
-use bevy::math::DVec3;
 use std::collections::VecDeque;
 use std::time::SystemTime;
 
diff --git a/src/nature.rs b/src/nature.rs
index e4b0a4b..558879f 100644
--- a/src/nature.rs
+++ b/src/nature.rs
@@ -10,8 +10,7 @@
 //
 // This module manages the messy, impure parts of our universe.
 
-use bevy::math::DVec3;
-use std::f64::consts::PI as PI;
+use crate::prelude::*;
 
 pub const OXYGEN_USE_KG_PER_S: f32 = 1e-5;
 pub const OXY_S: f32 = OXYGEN_USE_KG_PER_S;
diff --git a/src/world.rs b/src/world.rs
index eee3a3d..b3e1533 100644
--- a/src/world.rs
+++ b/src/world.rs
@@ -12,7 +12,7 @@
 
 use crate::prelude::*;
 use bevy::prelude::*;
-use bevy::math::{DVec3, I64Vec3};
+use bevy::math::I64Vec3;
 use bevy::scene::{InstanceId, SceneInstance};
 use bevy::render::mesh::Indices;
 use bevy_xpbd_3d::prelude::*;