diff --git a/Cargo.lock b/Cargo.lock
index f8985f4..da99dd3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -250,7 +250,7 @@ checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
 
 [[package]]
 name = "marble-machinations"
-version = "0.2.1"
+version = "0.2.0"
 dependencies = [
  "raylib",
  "serde",
diff --git a/Cargo.toml b/Cargo.toml
index a4578e8..1dd6974 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "marble-machinations"
-version = "0.2.1"
+version = "0.2.0"
 edition = "2021"
 
 [dependencies]
diff --git a/src/config.rs b/src/config.rs
deleted file mode 100644
index cdcb5a3..0000000
--- a/src/config.rs
+++ /dev/null
@@ -1,26 +0,0 @@
-use std::collections::HashMap;
-
-use raylib::ffi::KeyboardKey;
-use serde::{Deserialize, Serialize};
-
-#[derive(Debug, Default, Deserialize, Serialize)]
-pub struct Config {
-	hotkeys: Hotkeys,
-}
-
-#[derive(Debug, Default, Deserialize, Serialize)]
-pub struct Hotkeys {
-	map: HashMap<String, Hotkey>,
-}
-
-#[derive(Debug, Deserialize, Serialize)]
-pub struct Hotkey {
-	modifiers: Vec<u32>,
-	trigger: Trigger,
-}
-
-#[derive(Debug, Deserialize, Serialize)]
-pub enum Trigger {
-	Mouse(u32),
-	Key(u32),
-}
diff --git a/src/marble_engine.rs b/src/marble_engine.rs
index e0191fd..402842b 100644
--- a/src/marble_engine.rs
+++ b/src/marble_engine.rs
@@ -255,17 +255,13 @@ impl Machine {
 		}
 
 		// #### new marbles ####
-		let mut claim_positions = Vec::new();
 		// prepare creating the new marbles
 		for &(pos, _val, _dir) in &new_marbles {
 			let Some(Tile::Open(OpenTile::Blank, claim)) = self.board.get_mut(pos) else {
 				unreachable!()
 			};
 			*claim = match claim {
-				Claim::Free => {
-					claim_positions.push(pos);
-					Claim::Claimed
-				}
+				Claim::Free => Claim::Claimed,
 				Claim::Claimed | Claim::Blocked => Claim::Blocked,
 				_ => unreachable!(),
 			}
@@ -281,6 +277,7 @@ impl Machine {
 		}
 
 		// #### movement ####
+		let mut claim_positions = Vec::new();
 		// mark claims to figure out what spaces can be moved to
 		for &pos in &self.marbles[..old_marbles] {
 			let Some(Tile::Marble { value: _, dir }) = self.board.get(pos) else {