diff --git a/lib/Canvas.cpp b/lib/Canvas.cpp
index 8985e24..eefb371 100644
--- a/lib/Canvas.cpp
+++ b/lib/Canvas.cpp
@@ -84,7 +84,7 @@ void Canvas::renderScore(int score) {
   window.draw(text);
 }
 
-Rect Canvas::windowDimensions() const {
+Rect Canvas::windowDimensions() {
   return { 0, 0, LEFT_MARGIN + MAZE_WIDTH + SCORE_WIDTH, TOP_MARGIN + MAZE_HEIGHT + BOTTOM_MARGIN };
 }
 
diff --git a/lib/Canvas.hpp b/lib/Canvas.hpp
index 0ced7a0..5ccf394 100644
--- a/lib/Canvas.hpp
+++ b/lib/Canvas.hpp
@@ -33,10 +33,9 @@ private:
 
   void renderScore(int score);
 
-  Rect windowDimensions() const;
-
-  sf::Texture loadTexture(std::string_view path);
-  sf::Font loadFont(std::string_view path);
+  static Rect windowDimensions() ;
+  static sf::Texture loadTexture(std::string_view path);
+  static sf::Font loadFont(std::string_view path);
 
   Sprite getSprite(PositionInt rect) const;
 
diff --git a/lib/PacMan.cpp b/lib/PacMan.cpp
index 3cb1eff..6701297 100644
--- a/lib/PacMan.cpp
+++ b/lib/PacMan.cpp
@@ -2,7 +2,7 @@
 #include <cmath>
 
 PacMan::PacMan(const Board & board)
-  : pos(board.initialPacManPosition()) {}
+  : pos(Board::initialPacManPosition()) {}
 
 PositionInt PacMan::currentSprite() const {
   return pacManAnimation.animationFrame(direction);
diff --git a/lib/SuperPellets.hpp b/lib/SuperPellets.hpp
index bda304f..343241e 100644
--- a/lib/SuperPellets.hpp
+++ b/lib/SuperPellets.hpp
@@ -2,6 +2,7 @@
 
 #include "Board.hpp"
 #include "Position.hpp"
+
 class SuperPellets {
 public:
   explicit SuperPellets(const Board & board);