diff --git a/CMakeLists.txt b/CMakeLists.txt
index 86ab1fa..d964263 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,7 +30,6 @@ if (ASSIMP_FOUND)
     include_directories(${ASSIMP_INCLUDE_DIR})
 endif ()
 
-set(FILESYSTEM_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/libs/filesystem/include)
 set(GLM_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/libs/glm/include)
 set(GLAD_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/libs/glad/include)
 set(STB_IMAGE_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/libs/image/include)
@@ -41,9 +40,6 @@ set(GLAD
 set(STB_IMAGE
         ${CMAKE_CURRENT_SOURCE_DIR}/libs/image/src/stb_image.cpp
         ${CMAKE_CURRENT_SOURCE_DIR}/libs/image/include/image/stb_image.h)
-set(FILESYSTEM
-        ${CMAKE_CURRENT_SOURCE_DIR}/libs/filesystem/src/filesystem.cpp
-        ${CMAKE_CURRENT_SOURCE_DIR}/libs/filesystem/include/filesystem/filesystem.h)
 
 file(GLOB_RECURSE IMGUI "libs/imgui/*")
 
@@ -53,7 +49,6 @@ set(COMPILATION_UNIT
         src/main.cpp
         ${GLAD}
         ${STB_IMAGE}
-        ${FILESYSTEM}
         ${IMGUI}
         ${SOURCES}
         )
@@ -62,7 +57,6 @@ add_executable(${PROJECT_NAME} ${COMPILATION_UNIT})
 
 target_include_directories(${PROJECT_NAME} PUBLIC
         ${GLAD_INCLUDE_DIRS}
-        ${FILESYSTEM_INCLUDE_DIRS}
         ${GLM_INCLUDE_DIRS}
         ${STB_IMAGE_INCLUDE_DIRS}
         ${KHR_INCLUDE_DIRS}
diff --git a/libs/filesystem/include/filesystem/filesystem.h b/libs/filesystem/include/filesystem/filesystem.h
deleted file mode 100644
index 2177838..0000000
--- a/libs/filesystem/include/filesystem/filesystem.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#pragma once
-
-#include <string>
-
-namespace fs {
-
-std::string path(const std::string& p);
-}
diff --git a/libs/filesystem/src/filesystem.cpp b/src/utils/filesystem.hpp
similarity index 55%
rename from libs/filesystem/src/filesystem.cpp
rename to src/utils/filesystem.hpp
index f2698a1..9983a0c 100644
--- a/libs/filesystem/src/filesystem.cpp
+++ b/src/utils/filesystem.hpp
@@ -1,7 +1,12 @@
-#include "filesystem/filesystem.h"
+#pragma once
+
 #include <filesystem>
+#include <string>
+
+namespace fs {
 
-std::string fs::path(const std::string& p) {
+inline std::string path(const std::string& p) {
     auto cwd = std::filesystem::current_path().parent_path();
     return cwd.append(p).string();
 }
+}
diff --git a/src/utils/key.hpp b/src/utils/key.hpp
index 58613fc..2202a91 100644
--- a/src/utils/key.hpp
+++ b/src/utils/key.hpp
@@ -4,6 +4,7 @@
 #include "glm/glm.hpp"
 
 namespace key {
+
 std::string createFromPosition(const glm::vec3 pos) {
     return std::string(std::to_string(pos.x) + (char)pos.y + (char)pos.z);
 }
diff --git a/src/world/skybox.h b/src/world/skybox.h
index b202d2b..f441519 100644
--- a/src/world/skybox.h
+++ b/src/world/skybox.h
@@ -4,9 +4,9 @@
 #include <string>
 #include <memory>
 #include "glm/glm.hpp"
-#include "filesystem/filesystem.h"
 #include "mesh/texture.h"
 #include "../configs/configs.hpp"
+#include "../utils/filesystem.hpp"
 
 class Shader;
 class SkyboxMesh;
diff --git a/src/world/world.h b/src/world/world.h
index 586e136..dff1c5e 100644
--- a/src/world/world.h
+++ b/src/world/world.h
@@ -5,7 +5,7 @@
 #include <unordered_map>
 #include "glm/glm.hpp"
 #include "mesh/texture.h"
-#include "filesystem/filesystem.h"
+#include "../utils/filesystem.hpp"
 #include "../configs/configs.hpp"
 
 class Cell;