diff --git a/src/main.rs b/src/main.rs
index 745fa05..47622c9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -66,7 +66,7 @@ fn parse_rom(path: &String) -> io::Result<(state::Land, Vec<state::Rule>, HashMa
         let x_pos = rom_words.pop_front().unwrap();
         let y_pos = rom_words.pop_front().unwrap();
 
-        land.sow(x_pos, y_pos, value);
+        land.map.insert((x_pos % land.width, y_pos % land.height), value);
     }
 
     println!("World\n=====");
@@ -192,9 +192,9 @@ fn main() -> io::Result<()> {
 
         for tree_index in trees_to_compost_by_index.iter() {
             let tree_id = scheduled_trees.swap_remove(*tree_index as usize);
-            let (parent_id, tree_id, recovered_stack_size) = {
+            let (parent_id, recovered_stack_size) = {
                 let tree = trees.remove(&tree_id).unwrap();
-                (tree.parent_id, tree.id, tree.stack_size)
+                (tree.parent_id, tree.stack_size)
             };
             let parent = trees.get_mut(&parent_id).unwrap();
             parent.stack_size += recovered_stack_size;
diff --git a/src/state.rs b/src/state.rs
index 420cf65..15d79b7 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -11,11 +11,6 @@ pub struct Land {
 }
 
 impl Land {
-    #[deprecated(since="0.0.0", note="please use `derelativize` instead")]
-    pub fn wrap_absolute_coordinates(&self, x: u16, y: u16) -> (u16, u16) {
-        (x % self.width, y % self.height)
-    }
-
     pub fn derelativize(&self, position: (u16, u16), relative_x: i16, relative_y: i16) -> (u16, u16) {
         // Note: we don't need to worry about integer overflows directly
         // because land itself cannot exceed integer limits in size and
@@ -39,16 +34,6 @@ impl Land {
 
         return (absolute_x, absolute_y);
     }
-
-    pub fn sow(&mut self, x: u16, y: u16, value: u16) {
-        // We use modulo arithmetic here to account for values that wrap around
-        // the world.
-        self.map.insert((x % self.width, y % self.height), value);
-    }
-
-    pub fn reap(&mut self, x: u16, y: u16) -> u16 {
-        self.map.remove(&(x % self.width, y % self.height)).unwrap_or(0u16)
-    }
 }
 
 pub type Rule = VecDeque<u16>;