diff --git a/src/lib/gui/CMakeLists.txt b/src/lib/gui/CMakeLists.txt
index 5960a9726..0dea497d8 100644
--- a/src/lib/gui/CMakeLists.txt
+++ b/src/lib/gui/CMakeLists.txt
@@ -34,7 +34,6 @@ add_library(${target} STATIC
   Messages.h
   ScreenSetupModel.cpp
   ScreenSetupModel.h
-  Styles.h
   StyleUtils.h
   TlsUtility.cpp
   TlsUtility.h
diff --git a/src/lib/gui/Styles.h b/src/lib/gui/Styles.h
deleted file mode 100644
index 0096e97d0..000000000
--- a/src/lib/gui/Styles.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Deskflow -- mouse and keyboard sharing utility
- * SPDX-FileCopyrightText: (C) 2014 Symless Ltd.
- * SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
- */
-
-#pragma once
-
-#include <QString>
-
-namespace deskflow::gui {
-
-const auto kColorError = "#ec4c47";
-
-const auto kStyleErrorActiveLabel = //
-    QStringLiteral(
-        "padding: 3px 5px; border-radius: 3px; "
-        "background-color: %1; color: white"
-    )
-        .arg(kColorError);
-
-const auto kStyleErrorInactiveLabel = //
-    QStringLiteral(
-        "padding: 3px 5px; border-radius: 3px;"
-        "background-color: none"
-    );
-
-} // namespace deskflow::gui