diff --git a/src/lib/turtle/TurtleExecuter.hx b/src/lib/turtle/TurtleExecuter.hx
deleted file mode 100644
index 0a94d9b..0000000
--- a/src/lib/turtle/TurtleExecuter.hx
+++ /dev/null
@@ -1,102 +0,0 @@
-package lib.turtle;
-
-import lib.Pos;
-import lib.Pos3;
-import kernel.turtle.Turtle;
-
-using tink.CoreApi;
-
-class TurtleExecuter {
-	private var instructions:Array<TurtleInstruction>;
-
-	public function new(instructions:Array<TurtleInstruction>) {
-		this.instructions = instructions;
-	}
-
-	public function getRequiredFuel():Int {
-		var fuel = 0;
-		for (inst in instructions) {
-			if (inst == Forward || inst == Back || inst == Up || inst == Down) {
-				fuel++;
-			}
-		}
-
-		return fuel;
-	}
-
-	public function getRequiredBlocks():Int {
-		var blocks = 0;
-		for (inst in instructions) {
-			switch inst {
-				case Place(_):
-					blocks++;
-				default:
-			}
-		}
-
-		return blocks;
-	}
-
-	/**
-		Return the offset of the turtle after executing the instructions.
-		The origin is the starting position of the turtle.
-	**/
-	public function getFinalOffset():{offset:Pos3, faceing:Pos} {
-		var pos:Pos3 = {x: 0, y: 0, z: 0};
-		var forwardVec:Pos3 = {x: 1, y: 0, z: 0};
-
-		for (inst in instructions) {
-			switch inst {
-				case Forward:
-					pos = pos + forwardVec;
-				case Back:
-					pos = pos - forwardVec;
-				case TurnRight:
-					forwardVec = {x: -forwardVec.z, z: forwardVec.x, y: forwardVec.y};
-				case TurnLeft:
-					forwardVec = {x: forwardVec.z, z: -forwardVec.x, y: forwardVec.y};
-				default:
-			}
-		}
-
-		return {offset: pos, faceing: new Pos({x: forwardVec.x, y: forwardVec.z})};
-	}
-
-	public function execute() {
-		for (inst in instructions) {
-			executeInst(inst);
-		}
-	}
-
-	private function executeInst(instruction:TurtleInstruction):Outcome<Noise, String> {
-		switch instruction {
-			case Forward:
-				return Turtle.forward();
-			case Back:
-				return Turtle.back();
-			case Up:
-				return Turtle.up();
-			case Down:
-				return Turtle.down();
-			case TurnLeft:
-				return Turtle.turnLeft();
-			case TurnRight:
-				return Turtle.turnRight();
-			case Dig(dir):
-				return Turtle.dig(dir);
-			case Place(dir):
-				return Turtle.place(dir);
-			case PlacseSign(dir, text):
-				return Turtle.placeSign(dir, text);
-			case Select(slot):
-				var r = Turtle.selectSlot(slot);
-				if (r.isSuccess()) {
-					return Outcome.Success(null);
-				} else {
-					return Outcome.Failure("Failed to select slot");
-				}
-		}
-
-		return Outcome.Failure("Unknown instruction: " + instruction);
-	}
-}
diff --git a/src/lib/turtle/TurtleExt.hx b/src/lib/turtle/TurtleExt.hx
deleted file mode 100644
index 071dc8e..0000000
--- a/src/lib/turtle/TurtleExt.hx
+++ /dev/null
@@ -1,92 +0,0 @@
-package lib.turtle;
-
-import kernel.turtle.Turtle;
-
-using tink.CoreApi;
-
-/**
-	Extends the Turtle kernel.
-**/
-class TurtleExt {
-	public static function getFreeSlots(t:Turtle):Int {
-		var ret:Int = 0;
-
-		for (i in 0...Turtle.MAX_SLOTS) {
-			if (t.getItemCount(i) == 0) {
-				ret++;
-			}
-		}
-
-		return ret;
-	}
-
-	public static function canPickup(t:Turtle, item:Item):Bool {
-		for (i in 0...Turtle.MAX_SLOTS) {
-			var slotItem = t.getItemDetail(i).orNull();
-			if (slotItem != null && slotItem.name == item) {
-				if (t.getItemSpace(i) > 0) {
-					return true;
-				}
-			}
-		}
-
-		return false;
-	}
-
-	public static function canPickupCount(t:Turtle, item:Item):Int {
-		var ret:Int = 0;
-
-		for (i in 0...Turtle.MAX_SLOTS) {
-			var slotItem = Turtle.getItemDetail(i).orNull();
-			if (slotItem != null && slotItem.name == item) {
-				ret += Turtle.getItemSpace(i);
-			}
-		}
-
-		return ret;
-	}
-
-	public static function getInventory(t:Turtle):Map<Int, {item:Item, count:Int, free:Int}> {
-		var rtn:Map<Int, {item:Item, count:Int, free:Int}> = new Map();
-
-		for (i in 0...Turtle.MAX_SLOTS) {
-			var slotItem = t.getItemDetail(i).orNull();
-			if (slotItem != null) {
-				rtn.set(i, {item: slotItem.name, count: slotItem.count, free: t.getItemSpace(i)});
-			}
-		}
-
-		return rtn;
-	}
-
-	/**
-		Optimize the turtle inventory.
-		TODO: does not work 100% yet. Can be optimized more i think. Not that it needs to be optimized.
-	**/
-	public static function tidy(t:Turtle) {
-		var inv = getInventory(t);
-		// For each item in the inventory
-		for (k1 => v1 in inv) {
-			if (v1.free == 0 || v1.count == 0) {
-				continue;
-			}
-
-			for (k2 => v2 in inv) {
-				if (k2 == k1) {
-					continue;
-				}
-
-				if (v1.item == v2.item && v2.free > 0) {
-					// We can move an item in there
-					t.transfer(k1, k2, v2.free);
-
-					v1.count -= v2.free;
-					if (v1.count <= 0) {
-						inv.remove(k1);
-						break;
-					}
-				}
-			}
-		}
-	}
-}
diff --git a/src/lib/turtle/TurtleInstruction.hx b/src/lib/turtle/TurtleInstruction.hx
deleted file mode 100644
index fe028e5..0000000
--- a/src/lib/turtle/TurtleInstruction.hx
+++ /dev/null
@@ -1,17 +0,0 @@
-package lib.turtle;
-
-import kernel.turtle.Types.InteractDirections;
-import kernel.turtle.Types.TurtleSlot;
-
-enum TurtleInstruction {
-	Forward;
-	Back;
-	Up;
-	Down;
-	TurnLeft;
-	TurnRight;
-	Dig(dir:InteractDirections);
-	Place(dir:InteractDirections);
-	PlacseSign(dir:InteractDirections, text:String);
-	Select(slot:TurtleSlot);
-}
diff --git a/src/lib/turtle/TurtleInstructionParser.hx b/src/lib/turtle/TurtleInstructionParser.hx
deleted file mode 100644
index 10e3d1d..0000000
--- a/src/lib/turtle/TurtleInstructionParser.hx
+++ /dev/null
@@ -1,110 +0,0 @@
-package lib.turtle;
-
-// Check usage of NativeStringTools
-// here https://api.haxe.org/lua/NativeStringTools.html
-// and here http://lua-users.org/wiki/StringLibraryTutorial
-import kernel.turtle.Types.TurtleSlot;
-import kernel.turtle.Turtle;
-import lua.NativeStringTools;
-
-using tink.CoreApi;
-
-/**
-	Save a set of turtle instructions to a string and execute them.
-**/
-class TurtleInstructionParser {
-	public function new() {}
-
-	public function encode(instructions:Array<TurtleInstruction>):String {
-		var s = "";
-
-		var times = 0;
-		var lastInstruction:TurtleInstruction = null;
-
-		for (inst in instructions) {
-			if (inst == lastInstruction) {
-				times++;
-				continue;
-			}
-
-			if (lastInstruction != null) {
-				var encoded = encodeInstruction(lastInstruction);
-				s = s + '${times + 1}$encoded';
-			}
-
-			times = 0;
-			lastInstruction = inst;
-		}
-
-		var encoded = encodeInstruction(lastInstruction);
-		s = s + '${times + 1}$encoded';
-
-		return s;
-	}
-
-	private function encodeInstruction(inst:TurtleInstruction):String {
-		for (k => v in cmdMap) {
-			if (v == inst) {
-				return k;
-			}
-		}
-
-		switch inst {
-			case Select(slot):
-				return "m" + encodeSlot(slot);
-			default:
-				return "";
-		}
-
-		return "";
-	}
-
-	private function encodeSlot(slot:TurtleSlot):String {
-		return String.fromCharCode(slot + 97);
-	}
-
-	public function parse(instructionsString:String):Array<TurtleInstruction> {
-		var rtn:Array<TurtleInstruction> = [];
-		var mfunc = NativeStringTools.gmatch(instructionsString, "%d+%D+");
-
-		while (true) {
-			var found = mfunc();
-
-			if (found == null) {
-				break;
-			}
-
-			var times = Std.parseInt(NativeStringTools.match(found, "%d+"));
-			var command = NativeStringTools.match(found, "%D+");
-
-			var cmd = cmdMap.get(command);
-			if (cmd != null) {
-				rtn = rtn.concat([for (i in 0...times) cmd]);
-			}
-
-			switch command.charAt(0) {
-				case "m": // select
-					var slot = parseSlot(command.charAt(1));
-					rtn = rtn.concat([for (i in 0...times) Select(slot)]);
-			}
-		}
-
-		return rtn;
-	}
-
-	private static function parseSlot(slot:String):TurtleSlot {
-		var slot = slot.charCodeAt(0) - 97;
-
-		if (slot < 0 || slot > Turtle.MAX_SLOTS) {
-			// TODO: better error handling
-			throw new Error("Invalid slot: " + slot);
-		}
-
-		return slot;
-	}
-
-	private var cmdMap:Map<String, TurtleInstruction> = [
-		"a" => Forward, "b" => Back, "c" => TurnLeft, "d" => TurnRight, "e" => Up, "f" => Down, "g" => Dig(Front), "h" => Dig(Up), "i" => Dig(Down),
-		"j" => Place(Front), "k" => Place(Up), "l" => Place(Down),
-	];
-}