diff --git a/toolkit/Library_tk.mk b/toolkit/Library_tk.mk
index 15029b8a0996..cfdd3ce9a371 100644
--- a/toolkit/Library_tk.mk
+++ b/toolkit/Library_tk.mk
@@ -126,7 +126,6 @@ $(eval $(call gb_Library_add_exception_objects,tk,\
     toolkit/source/helper/imagealign \
     toolkit/source/helper/listenermultiplexer \
     toolkit/source/helper/property \
-    toolkit/source/helper/servicenames \
     toolkit/source/helper/tkresmgr \
     toolkit/source/helper/unopropertyarrayhelper \
     toolkit/source/helper/unowrapper \
diff --git a/toolkit/inc/helper/servicenames.hxx b/toolkit/inc/helper/servicenames.hxx
index 7fb7ab2a573c..07a372d48494 100644
--- a/toolkit/inc/helper/servicenames.hxx
+++ b/toolkit/inc/helper/servicenames.hxx
@@ -19,6 +19,8 @@
 
 #pragma once
 
-extern const char szServiceName_UnoControlDialog[];
+#include <rtl/ustring.hxx>
+
+inline constexpr OUString sServiceName_UnoControlDialog = u"stardiv.vcl.control.Dialog"_ustr;
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/toolkit/source/controls/controlmodelcontainerbase.cxx b/toolkit/source/controls/controlmodelcontainerbase.cxx
index 8c9bba0890de..882d78dbfadf 100644
--- a/toolkit/source/controls/controlmodelcontainerbase.cxx
+++ b/toolkit/source/controls/controlmodelcontainerbase.cxx
@@ -165,7 +165,7 @@ Any ControlModelContainerBase::ImplGetDefaultValue( sal_uInt16 nPropId ) const
     switch ( nPropId )
     {
         case BASEPROPERTY_DEFAULTCONTROL:
-            aAny <<= OUString::createFromAscii( szServiceName_UnoControlDialog );
+            aAny <<= sServiceName_UnoControlDialog;
             break;
         default:
             aAny = UnoControlModel::ImplGetDefaultValue( nPropId );
diff --git a/toolkit/source/controls/dialogcontrol.cxx b/toolkit/source/controls/dialogcontrol.cxx
index 8adc7af9c41b..29dba64dcfc0 100644
--- a/toolkit/source/controls/dialogcontrol.cxx
+++ b/toolkit/source/controls/dialogcontrol.cxx
@@ -239,7 +239,7 @@ Any UnoControlDialogModel::ImplGetDefaultValue( sal_uInt16 nPropId ) const
     switch ( nPropId )
     {
         case BASEPROPERTY_DEFAULTCONTROL:
-            aAny <<= OUString::createFromAscii( szServiceName_UnoControlDialog );
+            aAny <<= sServiceName_UnoControlDialog;
             break;
         case BASEPROPERTY_SCROLLWIDTH:
         case BASEPROPERTY_SCROLLHEIGHT:
diff --git a/toolkit/source/helper/servicenames.cxx b/toolkit/source/helper/servicenames.cxx
deleted file mode 100644
index 825672fd20a1..000000000000
--- a/toolkit/source/helper/servicenames.cxx
+++ /dev/null
@@ -1,24 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- * This file is part of the LibreOffice project.
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- *
- * This file incorporates work covered by the following license notice:
- *
- *   Licensed to the Apache Software Foundation (ASF) under one or more
- *   contributor license agreements. See the NOTICE file distributed
- *   with this work for additional information regarding copyright
- *   ownership. The ASF licenses this file to you under the Apache
- *   License, Version 2.0 (the "License"); you may not use this file
- *   except in compliance with the License. You may obtain a copy of
- *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
- */
-
-#include <helper/servicenames.hxx>
-
-const char szServiceName_UnoControlDialog[] = "stardiv.vcl.control.Dialog";
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */