diff --git a/src/lib/io/CMakeLists.txt b/src/lib/io/CMakeLists.txt
index 223bb34d0..a46782db1 100644
--- a/src/lib/io/CMakeLists.txt
+++ b/src/lib/io/CMakeLists.txt
@@ -4,8 +4,6 @@
 # SPDX-License-Identifier: MIT
 
 add_library(io STATIC
-    Filesystem.cpp
-    Filesystem.h
     IOException.cpp
     IOException.h
     IStream.h
diff --git a/src/lib/io/Filesystem.cpp b/src/lib/io/Filesystem.cpp
deleted file mode 100644
index 96beea197..000000000
--- a/src/lib/io/Filesystem.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Deskflow -- mouse and keyboard sharing utility
- * SPDX-FileCopyrightText: (C) 2025 Deskflow Developers
- * SPDX-FileCopyrightText: (C) 2021 Barrier Contributors
- * SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
- */
-
-#include "Filesystem.h"
-
-namespace deskflow {
-
-std::FILE *fopenUtf8Path(const fs::path &path, const std::string &mode)
-{
-#if SYSAPI_WIN32
-  std::wstring wpath = path.native();
-  std::wstring wmode(mode.begin(), mode.end());
-
-  return _wfopen(wpath.c_str(), wmode.c_str());
-#else
-  return std::fopen(path.native().c_str(), mode.c_str());
-#endif
-}
-
-} // namespace deskflow
diff --git a/src/lib/io/Filesystem.h b/src/lib/io/Filesystem.h
deleted file mode 100644
index 502562eec..000000000
--- a/src/lib/io/Filesystem.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * Deskflow -- mouse and keyboard sharing utility
- * SPDX-FileCopyrightText: (C) 2025 Deskflow Developers
- * SPDX-FileCopyrightText: (C) 2021 Barrier Contributors
- * SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
- */
-
-#pragma once
-
-#include <cstdio>
-#include <filesystem>
-
-namespace deskflow {
-
-namespace fs = std::filesystem;
-
-std::FILE *fopenUtf8Path(const fs::path &path, const std::string &mode);
-
-} // namespace deskflow