diff --git a/source/ona/kym/Environment.zig b/source/ona/kym/Environment.zig
index 41e9920..97055a8 100644
--- a/source/ona/kym/Environment.zig
+++ b/source/ona/kym/Environment.zig
@@ -69,21 +69,6 @@ const Object = struct {
 
 		self.ref_count += 1;
 	}
-
-	pub fn release(self: *Object, env: *Self) bool {
-		coral.debug.assert(self.ref_count != 0);
-
-		self.ref_count -= 1;
-
-		if (self.ref_count == 0) {
-			coral.io.deallocate(env.allocator, self.state.userdata);
-			self.state.fields.deinit(env.allocator);
-
-			return false;
-		}
-
-		return true;
-	}
 };
 
 pub const ObjectInfo = struct {
@@ -185,14 +170,7 @@ pub fn check(self: *Self, condition: bool, failure_message: []const u8) !void {
 }
 
 pub fn deinit(self: *Self) void {
-	var global_data = self.heap.fetch(self.global_object);
-
-	if (global_data.release(self)) {
-		self.heap.remove(self.global_object);
-	} else {
-		self.heap.assign(self.global_object, global_data);
-	}
-
+	self.discard(.{.object = self.global_object});
 	self.values.deinit(self.allocator);
 	self.calls.deinit(self.allocator);
 	self.heap.deinit(self.allocator);
@@ -203,7 +181,19 @@ pub fn discard(self: *Self, val: types.Val) void {
 		.object => |object| {
 			var data = self.heap.fetch(object);
 
-			if (data.release(self)) {
+			coral.debug.assert(data.ref_count != 0);
+
+			data.ref_count -= 1;
+
+			if (data.ref_count == 0) {
+				data.state.info.deinitializer(.{
+					.env = self,
+					.obj = val.as_ref(),
+				});
+
+				coral.io.deallocate(self.allocator, data.state.userdata);
+				data.state.fields.deinit(self.allocator);
+
 				self.heap.remove(object);
 			} else {
 				self.heap.assign(object, data);
@@ -223,17 +213,21 @@ pub fn execute_data(self: *Self, source: DataSource) types.RuntimeError!types.Va
 		}
 	};
 
-	var chunk = try Chunk.init(self, source.name);
+	var compiled_chunk = init_compiled_chunk: {
+		var chunk = try Chunk.init(self, source.name);
 
-	errdefer chunk.deinit();
+		errdefer chunk.deinit();
 
-	chunk.compile(source.data) catch |compile_error| {
-		self.reporter.invoke(chunk.error_details());
+		chunk.compile(source.data) catch |compile_error| {
+			self.reporter.invoke(chunk.error_details());
 
-		return compile_error;
+			return compile_error;
+		};
+
+		break: init_compiled_chunk chunk;
 	};
 
-	const script = try self.new_object(coral.io.bytes_of(&chunk), .{
+	const script = try self.new_object(coral.io.bytes_of(&compiled_chunk), .{
 		.identity = typeid,
 		.deinitializer = Behaviors.deinitialize,
 	});
@@ -355,12 +349,11 @@ pub fn native_cast(self: *Self, castable: types.Ref, id: *const anyopaque, compt
 	try self.check(castable == .object, "invalid type conversion: object");
 
 	const object = self.heap.fetch(castable.object);
-	const alignment = @alignOf(Type);
-	const is_expected_type = (object.state.info.identity == id) and (object.state.userdata.len == alignment);
+	const is_expected_type = (object.state.info.identity == id) and (object.state.userdata.len == @sizeOf(Type));
 
 	try self.check(is_expected_type, "invalid object cast: native type");
 
-	return @ptrCast(*Type, @alignCast(alignment, object.state.userdata));
+	return @ptrCast(*Type, @alignCast(@alignOf(Type), object.state.userdata));
 }
 
 pub fn new_array(self: *Self) coral.io.AllocationError!types.Val {