diff --git a/utils/rbutilqt/CMakeLists.txt b/utils/rbutilqt/CMakeLists.txt
index 60289b8ca0..aecfc2d004 100644
--- a/utils/rbutilqt/CMakeLists.txt
+++ b/utils/rbutilqt/CMakeLists.txt
@@ -230,7 +230,6 @@ add_library(rbbase
     ${CMAKE_CURRENT_LIST_DIR}/base/ttsmssp.h
     ${CMAKE_CURRENT_LIST_DIR}/base/ttssapi.cpp
     ${CMAKE_CURRENT_LIST_DIR}/base/ttssapi.h
-    ${CMAKE_CURRENT_LIST_DIR}/base/ttssapi4.h
     ${CMAKE_CURRENT_LIST_DIR}/base/ttsswift.h
     ${CMAKE_CURRENT_LIST_DIR}/base/uninstall.cpp
     ${CMAKE_CURRENT_LIST_DIR}/base/uninstall.h
diff --git a/utils/rbutilqt/base/ttsbase.cpp b/utils/rbutilqt/base/ttsbase.cpp
index 3bb9746dce..f2184c4a46 100644
--- a/utils/rbutilqt/base/ttsbase.cpp
+++ b/utils/rbutilqt/base/ttsbase.cpp
@@ -21,7 +21,6 @@
 
 #include "ttsfestival.h"
 #include "ttssapi.h"
-#include "ttssapi4.h"
 #include "ttsmssp.h"
 #include "ttsexes.h"
 #include "ttsespeak.h"
@@ -51,9 +50,6 @@ void TTSBase::initTTSList()
     ttsList["flite"] = tr("Flite TTS Engine");
     ttsList["swift"] = tr("Swift TTS Engine");
 #if defined(Q_OS_WIN)
-#if 0 /* SAPI4 has been disabled since long. Keep support for now. */
-    ttsList["sapi4"] = tr("SAPI4 TTS Engine");
-#endif
     ttsList["sapi"] = tr("SAPI5 TTS Engine");
     ttsList["mssp"] = tr("MS Speech Platform");
 #endif
@@ -73,8 +69,6 @@ TTSBase* TTSBase::getTTS(QObject* parent,QString ttsName)
 #if defined(Q_OS_WIN)
     if(ttsName == "sapi")
         tts = new TTSSapi(parent);
-    else if (ttsName == "sapi4")
-        tts = new TTSSapi4(parent);
     else if (ttsName == "mssp")
         tts = new TTSMssp(parent);
     else
diff --git a/utils/rbutilqt/base/ttssapi4.h b/utils/rbutilqt/base/ttssapi4.h
deleted file mode 100644
index d6408eaa2c..0000000000
--- a/utils/rbutilqt/base/ttssapi4.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/***************************************************************************
-*             __________               __   ___.
-*   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
-*   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
-*   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
-*   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
-*                     \/            \/     \/    \/            \/
-*
-*   Copyright (C) 2012 by Dominik Riebeling
-*
-* This program is free software; you can redistribute it and/or
-* modify it under the terms of the GNU General Public License
-* as published by the Free Software Foundation; either version 2
-* of the License, or (at your option) any later version.
-*
-* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
-* KIND, either express or implied.
-*
-****************************************************************************/
-
-#ifndef TTSSAPI4_H
-#define TTSSAPI4_H
-
-#include "ttsbase.h"
-#include "ttssapi.h"
-
-class TTSSapi4: public TTSSapi
-{
-    Q_OBJECT
-    public:
-        TTSSapi4(QObject* parent=nullptr) : TTSSapi(parent)
-        {
-            m_TTSTemplate = "cscript //nologo \"%exe\" "
-                "/language:%lang /voice:\"%voice\" "
-                "/speed:%speed \"%options\" /sapi4";
-            m_TTSVoiceTemplate = "cscript //nologo \"%exe\" "
-                "/language:%lang /listvoices /sapi4";
-            m_TTSType = "sapi4";
-        }
-
-};
-
-#endif