diff --git a/src/lib/gui/CMakeLists.txt b/src/lib/gui/CMakeLists.txt
index ec36456e3..1cded67a1 100644
--- a/src/lib/gui/CMakeLists.txt
+++ b/src/lib/gui/CMakeLists.txt
@@ -15,7 +15,6 @@ endif()
 
 add_library(${target} STATIC
   ${platform_sources}
-  byte_utils.h
   constants.h
   diagnostic.cpp
   diagnostic.h
diff --git a/src/lib/gui/byte_utils.h b/src/lib/gui/byte_utils.h
deleted file mode 100644
index c2ce2ad33..000000000
--- a/src/lib/gui/byte_utils.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Deskflow -- mouse and keyboard sharing utility
- * SPDX-FileCopyrightText: (C) 2024 Symless Ltd.
- * SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
- */
-
-#pragma once
-
-#include <QByteArray>
-#include <QDataStream>
-#include <QIODevice>
-#include <QtGlobal>
-
-namespace deskflow::gui {
-
-inline int bytesToInt(const char *buffer, size_t size)
-{
-  QByteArray byteArray(buffer, static_cast<int>(size));
-  QDataStream stream(byteArray);
-  int result;
-  stream >> result;
-  return result;
-}
-
-inline QByteArray intToBytes(int value)
-{
-  QByteArray bytes;
-  QDataStream stream(&bytes, QIODevice::WriteOnly);
-  stream << value;
-  return bytes;
-}
-
-} // namespace deskflow::gui
diff --git a/src/test/unittests/gui/byte_utils_tests.cpp b/src/test/unittests/gui/byte_utils_tests.cpp
deleted file mode 100644
index 4b9851e87..000000000
--- a/src/test/unittests/gui/byte_utils_tests.cpp
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Deskflow -- mouse and keyboard sharing utility
- * SPDX-FileCopyrightText: (C) 2024 Symless Ltd.
- * SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
- */
-
-#include "gui/byte_utils.h"
-
-#include <gtest/gtest.h>
-
-using namespace deskflow::gui;
-
-TEST(byte_utils_tests, bytesToInt_size4)
-{
-  char buffer[4] = {0x01, 0x02, 0x03, 0x04};
-
-  const auto i = bytesToInt(buffer, 4);
-
-  EXPECT_EQ(i, 0x01020304);
-}
-
-TEST(byte_utils_tests, intToBytes_size4)
-{
-  QByteArray bytes = intToBytes(0x01020304);
-
-  EXPECT_EQ(bytes.size(), 4);
-  EXPECT_EQ(bytes[0], 0x01);
-  EXPECT_EQ(bytes[1], 0x02);
-  EXPECT_EQ(bytes[2], 0x03);
-  EXPECT_EQ(bytes[3], 0x04);
-}