diff --git a/blocks/src/lib.rs b/blocks/src/lib.rs
index 1d4381a..bc4ecec 100644
--- a/blocks/src/lib.rs
+++ b/blocks/src/lib.rs
@@ -8,7 +8,7 @@ extern crate lazy_static;
 extern crate steven_shared as shared;
 
 use shared::{Axis, Direction, Position};
-use collision::{Aabb, Aabb3};
+use collision::Aabb3;
 use cgmath::Point3;
 
 pub mod material;
@@ -44,25 +44,6 @@ macro_rules! create_ids {
     );
 }
 
-macro_rules! consume_token { ($i:tt) => (0) }
-
-macro_rules! offsets {
-    ($first:ident, $($other:ident),*) => (
-        #[allow(non_upper_case_globals)]
-        pub const $first: usize = 0;
-        offsets!(prev($first), $($other),*);
-    );
-    (prev($prev:ident), $first:ident, $($other:ident),*) => (
-        #[allow(non_upper_case_globals)]
-        pub const $first: usize = $prev + internal_sizes::$prev;
-        offsets!(prev($first), $($other),*);
-    );
-    (prev($prev:ident), $first:ident) => (
-        #[allow(non_upper_case_globals)]
-        pub const $first: usize = $prev + internal_sizes::$prev;
-    )
-}
-
 macro_rules! define_blocks {
     (
         $(