diff --git a/source/Game.cpp b/source/Game.cpp
index 3577650..6914330 100644
--- a/source/Game.cpp
+++ b/source/Game.cpp
@@ -6,16 +6,9 @@
  */
 
 #include "Game.h"
-
-#include <string>
-
-#include <Thor/Graphics.hpp>
-
-#include "abstract/Character.h"
+
 #include "sprites/Enemy.h"
-#include "sprites/Player.h"
-#include "util/Loader.h"
-#include "util/ResourceManager.h"
+#include "sprites/Player.h"
 #include "util/Yaml.h"
 
 /// Goal amount of frames per second.
diff --git a/source/World.cpp b/source/World.cpp
index 88ffb14..fe6d239 100755
--- a/source/World.cpp
+++ b/source/World.cpp
@@ -7,9 +7,6 @@
 
 #include "World.h"
 
-#include <algorithm>
-#include <assert.h>
-#include <set>
 #include <unordered_set>
 #include <unordered_map>
 
diff --git a/source/abstract/Character.cpp b/source/abstract/Character.cpp
index 692e572..e89737f 100644
--- a/source/abstract/Character.cpp
+++ b/source/abstract/Character.cpp
@@ -7,9 +7,6 @@
 
 #include "Character.h"
 
-#include <algorithm>
-#include <assert.h>
-
 #include <Thor/Vectors.hpp>
 
 #include "../items/Weapon.h"
diff --git a/source/abstract/Sprite.cpp b/source/abstract/Sprite.cpp
index a403bf3..34cb391 100755
--- a/source/abstract/Sprite.cpp
+++ b/source/abstract/Sprite.cpp
@@ -7,8 +7,6 @@
 
 #include "Sprite.h"
 
-#include <math.h>
-
 #include <Thor/Vectors.hpp>
 
 #include "../util/Loader.h"
diff --git a/source/effects/Bullet.cpp b/source/effects/Bullet.cpp
index 31d496a..62d5eca 100755
--- a/source/effects/Bullet.cpp
+++ b/source/effects/Bullet.cpp
@@ -10,8 +10,6 @@
 #include <Thor/Vectors.hpp>
 
 #include "../abstract/Character.h"
-#include "../util/Loader.h"
-#include "../util/ResourceManager.h"
 #include "../util/Yaml.h"
 
 const std::string Bullet::KEY_DAMAGE = "damage";
diff --git a/source/items/Weapon.cpp b/source/items/Weapon.cpp
index eaadea5..d80362e 100755
--- a/source/items/Weapon.cpp
+++ b/source/items/Weapon.cpp
@@ -6,8 +6,6 @@
  */
 
 #include "Weapon.h"
-
-#include <algorithm>
 
 #include <thor/Vectors.hpp>
 
diff --git a/source/sprites/Player.cpp b/source/sprites/Player.cpp
index 87a79d8..678ac6d 100644
--- a/source/sprites/Player.cpp
+++ b/source/sprites/Player.cpp
@@ -7,12 +7,8 @@
 
 #include "Player.h"
 
-#include <string>
-
 #include <Thor/Vectors.hpp>
 
-#include "../items/Weapon.h"
-
 /**
  * Initializes Sprite.
  */
diff --git a/source/sprites/TileManager.cpp b/source/sprites/TileManager.cpp
index e69382a..98f3b37 100644
--- a/source/sprites/TileManager.cpp
+++ b/source/sprites/TileManager.cpp
@@ -7,14 +7,7 @@
 
 #include "TileManager.h"
 
-#include <assert.h>
-#include <string>
-
-#include <Thor/Resources.hpp>
-
-#include "../abstract/Sprite.h"
 #include "../util/Loader.h"
-#include "../util/ResourceManager.h"
 #include "../util/Yaml.h"
 #include "../World.h"