diff --git a/lib/Board.cpp b/lib/Board.cpp
index 8b1994d..18cfb79 100644
--- a/lib/Board.cpp
+++ b/lib/Board.cpp
@@ -48,7 +48,7 @@ Board::Board() {
       board_state[row][column] = board[row][column];
 }
 
-bool Board::isWalkable(Position point, float_t position_delta, Direction direction) const {
+bool Board::isWalkable(Position point, float position_delta, Direction direction) const {
   switch (direction) {
     case Direction::LEFT:
       return board_state[int(point.y)][int(point.x - position_delta)] != 0;
diff --git a/lib/Board.hpp b/lib/Board.hpp
index 53f41b6..7518a07 100644
--- a/lib/Board.hpp
+++ b/lib/Board.hpp
@@ -15,7 +15,7 @@ class Board {
 public:
   Board();
 
-  [[nodiscard]] bool isWalkable(Position point, float_t d, Direction direction) const;
+  [[nodiscard]] bool isWalkable(Position point, float d, Direction direction) const;
 
   [[nodiscard]] std::vector<SDL_Point> initialPelletPositions() const;
 
diff --git a/lib/GameWindow.cpp b/lib/GameWindow.cpp
index 1b1e718..ca08d23 100644
--- a/lib/GameWindow.cpp
+++ b/lib/GameWindow.cpp
@@ -38,7 +38,7 @@ void GameWindow::renderSuperPellets(const SuperPellets & superPellets) const {
   SDL_Rect sprite_rect = superPellets.currentSprite();
   std::vector<SDL_Point> superPelletPositions = superPellets.currentPositions();
   for (const auto & pos : superPelletPositions) {
-    SDL_Rect maze_rect = targetRect({float_t(pos.x), float_t(pos.y)}, 8 * SCALE_FACTOR);
+    SDL_Rect maze_rect = targetRect({float(pos.x), float(pos.y)}, 8 * SCALE_FACTOR);
     renderTexture(sprite_texture.get(), &sprite_rect, &maze_rect);
   }
 }
@@ -47,7 +47,7 @@ void GameWindow::renderPellets(const Pellets & pellets) const {
   SDL_Rect sprite_rect = pellets.currentSprite();
   std::vector<SDL_Point> pelletPositions = pellets.currentPositions();
   for (const auto & pos : pelletPositions) {
-    SDL_Rect maze_rect = targetRect({float_t(pos.x), float_t(pos.y)}, 8 * SCALE_FACTOR);
+    SDL_Rect maze_rect = targetRect({float(pos.x), float(pos.y)}, 8 * SCALE_FACTOR);
     renderTexture(sprite_texture.get(), &sprite_rect, &maze_rect);
   }
 }
diff --git a/lib/PacMan.cpp b/lib/PacMan.cpp
index 770400a..2e8726d 100644
--- a/lib/PacMan.cpp
+++ b/lib/PacMan.cpp
@@ -33,7 +33,7 @@ void PacMan::updateAnimationPosition(std::chrono::milliseconds time_delta) {
 }
 
 void PacMan::updateMazePosition(std::chrono::milliseconds time_delta, const Board & board) {
-  float_t position_delta = (time_delta.count() / 128.0);
+  float position_delta = (time_delta.count() / 128.0);
 
   if (board.isWalkable(pos, position_delta, desired_direction)) {
     direction = desired_direction;
diff --git a/lib/PacManAnimation.hpp b/lib/PacManAnimation.hpp
index be24c5e..1857981 100644
--- a/lib/PacManAnimation.hpp
+++ b/lib/PacManAnimation.hpp
@@ -18,7 +18,7 @@ public:
 
 private:
   uint8_t animation_position = 0;
-  float_t animation_position_delta = 0.0;
+  float animation_position_delta = 0.0;
   const SDL_Rect right_wide   = {0 * 32, 0 * 32, 32, 32};
   const SDL_Rect right_narrow = {1 * 32, 0 * 32, 32, 32};
   const SDL_Rect closed       = {2 * 32, 0 * 32, 32, 32};
diff --git a/lib/Position.hpp b/lib/Position.hpp
index 483acd2..ee633d5 100644
--- a/lib/Position.hpp
+++ b/lib/Position.hpp
@@ -4,8 +4,8 @@
 #include <cmath>
 
 struct Position {
-  float_t x;
-  float_t y;
+  float x;
+  float y;
 };
 
 #endif //PACMAN_POSITION_H
diff --git a/solution/SOLUTION.md b/solution/SOLUTION.md
index e10d705..138fc8f 100644
--- a/solution/SOLUTION.md
+++ b/solution/SOLUTION.md
@@ -3,9 +3,9 @@
 ## Make Pac-Man go slower
 Increase the number you divide the delta with in [PacMan.cpp](../lib/PacMan.cpp)
 ~~~
-float_t position_delta = (time_delta.count() / 128.0);
+float position_delta = (time_delta.count() / 128.0);
 ~~~
 Example
 ~~~
-float_t position_delta = (time_delta.count() / 256.0);
+float position_delta = (time_delta.count() / 256.0);
 ~~~