diff --git a/src/editor.rs b/src/editor.rs
index 205cf7d..25da17a 100644
--- a/src/editor.rs
+++ b/src/editor.rs
@@ -722,7 +722,7 @@ impl Editor {
 				let max = selection.0.max(selection.1);
 				for x in min.x..=max.x {
 					for y in min.y..=max.y {
-						self.source_board.set(Pos { x, y }, Tile::default());
+						self.source_board.set(Pos { x, y }, Tile::BLANK);
 					}
 				}
 			}
@@ -1016,7 +1016,7 @@ impl Editor {
 				if d.is_mouse_button_down(MouseButton::MOUSE_BUTTON_LEFT)
 					&& self.active_tool == Tool::Erase
 				{
-					self.set_tile(tile_pos.into(), Tile::default())
+					self.set_tile(tile_pos.into(), Tile::BLANK)
 				}
 				if let Tool::SelectArea(selection) = &mut self.active_tool {
 					if d.is_mouse_button_down(MouseButton::MOUSE_BUTTON_LEFT) {
diff --git a/src/marble_engine.rs b/src/marble_engine.rs
index 516e74a..502af92 100644
--- a/src/marble_engine.rs
+++ b/src/marble_engine.rs
@@ -145,8 +145,7 @@ impl Machine {
 								}
 							}
 							PTile::IO => {
-								if front_tile == &Tile::default()
-									&& self.input_index < self.input.len()
+								if front_tile == &Tile::BLANK && self.input_index < self.input.len()
 								{
 									let value = self.input[self.input_index] as MarbleValue;
 									self.input_index += 1;
@@ -154,7 +153,7 @@ impl Machine {
 								}
 							}
 							PTile::Bag => {
-								if front_tile == &Tile::default() {
+								if front_tile == &Tile::BLANK {
 									new_marbles.push((front_pos, 0, dir));
 								}
 							}
@@ -338,7 +337,7 @@ impl Machine {
 					OpenTile::Blank => value,
 					OpenTile::Digit(n) => value.wrapping_mul(10).wrapping_add(n as MarbleValue),
 				};
-				board.set(*pos, Tile::default());
+				board.set(*pos, Tile::BLANK);
 				board.set(target_pos, Tile::Marble { value, dir });
 				*pos = target_pos;
 			};
@@ -405,7 +404,7 @@ impl Machine {
 
 		// remove marbles
 		for &i in removed_marbles.iter().rev() {
-			self.board.set(self.marbles[i], Tile::default());
+			self.board.set(self.marbles[i], Tile::BLANK);
 			self.marbles.swap_remove(i);
 		}
 
diff --git a/src/marble_engine/board.rs b/src/marble_engine/board.rs
index 5299cf7..af8664d 100644
--- a/src/marble_engine/board.rs
+++ b/src/marble_engine/board.rs
@@ -26,7 +26,7 @@ impl Board {
 			rows.push(tiles);
 		}
 		for line in &mut rows {
-			line.resize(width, Tile::default());
+			line.resize(width, Tile::BLANK);
 		}
 
 		Board::new(rows)
@@ -44,7 +44,7 @@ impl Board {
 	}
 
 	pub fn new_empty(width: usize, height: usize) -> Self {
-		let rows = vec![vec![Tile::default(); width]; height];
+		let rows = vec![vec![Tile::BLANK; width]; height];
 		Self {
 			rows,
 			width,
@@ -89,7 +89,7 @@ impl Board {
 		if self.in_bounds(p) {
 			self.rows[p.y as usize][p.x as usize]
 		} else {
-			Tile::default()
+			Tile::BLANK
 		}
 	}
 
@@ -137,7 +137,7 @@ impl Board {
 		if p.x < 0 {
 			let len = p.x.unsigned_abs() as usize;
 			for row in &mut self.rows {
-				let mut new_row = vec![Tile::default(); len];
+				let mut new_row = vec![Tile::BLANK; len];
 				new_row.append(row);
 				*row = new_row;
 			}
@@ -146,21 +146,21 @@ impl Board {
 		} else if p.x as usize >= self.width {
 			let new_width = p.x as usize + 1;
 			for row in &mut self.rows {
-				row.resize(new_width, Tile::default());
+				row.resize(new_width, Tile::BLANK);
 			}
 			self.width = new_width;
 		}
 
 		if p.y < 0 {
 			let len = p.y.unsigned_abs() as usize;
-			let mut new_rows = vec![vec![Tile::default(); self.width]; len];
+			let mut new_rows = vec![vec![Tile::BLANK; self.width]; len];
 			new_rows.append(&mut self.rows);
 			self.rows = new_rows;
 			offset_y = len;
 			self.height += len;
 		} else if p.y as usize >= self.height {
 			let new_height = p.y as usize + 1;
-			self.rows.resize(new_height, vec![Tile::default(); self.width]);
+			self.rows.resize(new_height, vec![Tile::BLANK; self.width]);
 			self.height = new_height;
 		}
 		(offset_x as PosInt, offset_y as PosInt)
diff --git a/src/marble_engine/tile.rs b/src/marble_engine/tile.rs
index 84931e1..8393793 100644
--- a/src/marble_engine/tile.rs
+++ b/src/marble_engine/tile.rs
@@ -76,13 +76,8 @@ pub enum Direction {
 	Right,
 }
 
-impl Default for Tile {
-	fn default() -> Self {
-		Tile::Open(OpenTile::Blank, Claim::Free)
-	}
-}
-
 impl Tile {
+	pub const BLANK: Self = Tile::Open(OpenTile::Blank, Claim::Free);
 	pub const fn from_char(c: char) -> Tile {
 		match c {
 			'o' => Tile::Marble {