diff --git a/src/Mod/Start/App/AppStart.cpp b/src/Mod/Start/App/AppStart.cpp
index 075e0b819b..002cbe93a6 100644
--- a/src/Mod/Start/App/AppStart.cpp
+++ b/src/Mod/Start/App/AppStart.cpp
@@ -21,7 +21,6 @@
  *                                                                          *
  ***************************************************************************/
 
-#include "PreCompiled.h"
 
 #include <Base/Interpreter.h>
 #include <Base/Tools.h>
diff --git a/src/Mod/Start/App/CMakeLists.txt b/src/Mod/Start/App/CMakeLists.txt
index 60c60a7694..4eae7d2c9a 100644
--- a/src/Mod/Start/App/CMakeLists.txt
+++ b/src/Mod/Start/App/CMakeLists.txt
@@ -35,7 +35,6 @@ set(Start_SRCS
         CustomFolderModel.h
         FileUtilities.cpp
         FileUtilities.h
-        PreCompiled.cpp
         PreCompiled.h
         RecentFilesModel.cpp
         RecentFilesModel.h
@@ -43,6 +42,13 @@ set(Start_SRCS
         ThumbnailSource.h)
 
 add_library(Start SHARED ${Start_SRCS})
+
+if(FREECAD_USE_PCH)
+    target_precompile_headers(Start PRIVATE
+            $<$<COMPILE_LANGUAGE:CXX>:"${CMAKE_CURRENT_LIST_DIR}/PreCompiled.h">
+    )
+endif(FREECAD_USE_PCH)
+
 target_link_libraries(Start ${Start_LIBS})
 if (FREECAD_WARN_ERROR)
     target_compile_warn_error(Start)
diff --git a/src/Mod/Start/App/CustomFolderModel.cpp b/src/Mod/Start/App/CustomFolderModel.cpp
index 651425f5f9..1439591a08 100644
--- a/src/Mod/Start/App/CustomFolderModel.cpp
+++ b/src/Mod/Start/App/CustomFolderModel.cpp
@@ -21,10 +21,7 @@
  *                                                                          *
  ***************************************************************************/
 
-#include "PreCompiled.h"
-#ifndef _PreComp_
 #include <QDir>
-#endif
 
 #include "CustomFolderModel.h"
 #include <App/Application.h>
diff --git a/src/Mod/Start/App/DisplayedFilesModel.cpp b/src/Mod/Start/App/DisplayedFilesModel.cpp
index b4d837e5cc..e70171b8d4 100644
--- a/src/Mod/Start/App/DisplayedFilesModel.cpp
+++ b/src/Mod/Start/App/DisplayedFilesModel.cpp
@@ -21,8 +21,6 @@
  *                                                                          *
  ***************************************************************************/
 
-#include "PreCompiled.h"
-#ifndef _PreComp_
 #include <boost/algorithm/string/predicate.hpp>
 #include <QByteArray>
 #include <QFileInfo>
@@ -30,7 +28,7 @@
 #include <QTimeZone>
 #include <QThreadPool>
 #include <QUrl>
-#endif
+
 
 #include "DisplayedFilesModel.h"
 
diff --git a/src/Mod/Start/App/ExamplesModel.cpp b/src/Mod/Start/App/ExamplesModel.cpp
index a295d50c17..616b9bc88a 100644
--- a/src/Mod/Start/App/ExamplesModel.cpp
+++ b/src/Mod/Start/App/ExamplesModel.cpp
@@ -21,10 +21,8 @@
  *                                                                          *
  ***************************************************************************/
 
-#include "PreCompiled.h"
-#ifndef _PreComp_
 #include <QDir>
-#endif
+
 
 #include "ExamplesModel.h"
 #include <App/Application.h>
diff --git a/src/Mod/Start/App/FileUtilities.cpp b/src/Mod/Start/App/FileUtilities.cpp
index 5e4832d6d3..b57a03f3fc 100644
--- a/src/Mod/Start/App/FileUtilities.cpp
+++ b/src/Mod/Start/App/FileUtilities.cpp
@@ -21,8 +21,6 @@
  *                                                                          *
  ***************************************************************************/
 
-#include "PreCompiled.h"
-#ifndef _PreComp_
 #include <QCryptographicHash>
 #include <QDateTime>
 #include <QFileInfo>
@@ -30,7 +28,6 @@
 #include <QTimeZone>
 #include <QUrl>
 #include <fmt/format.h>
-#endif
 
 #include "FileUtilities.h"
 #include <Base/TimeInfo.h>
diff --git a/src/Mod/Start/App/PreCompiled.cpp b/src/Mod/Start/App/PreCompiled.cpp
deleted file mode 100644
index b17d7731bd..0000000000
--- a/src/Mod/Start/App/PreCompiled.cpp
+++ /dev/null
@@ -1,25 +0,0 @@
-// SPDX-License-Identifier: LGPL-2.1-or-later
-/****************************************************************************
- *                                                                          *
-#    Copyright (c) 2024 The FreeCAD Project Association AISBL               *
- *                                                                          *
- *   This file is part of FreeCAD.                                          *
- *                                                                          *
- *   FreeCAD is free software: you can redistribute it and/or modify it     *
- *   under the terms of the GNU Lesser General Public License as            *
- *   published by the Free Software Foundation, either version 2.1 of the   *
- *   License, or (at your option) any later version.                        *
- *                                                                          *
- *   FreeCAD is distributed in the hope that it will be useful, but         *
- *   WITHOUT ANY WARRANTY; without even the implied warranty of             *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU       *
- *   Lesser General Public License for more details.                        *
- *                                                                          *
- *   You should have received a copy of the GNU Lesser General Public       *
- *   License along with FreeCAD. If not, see                                *
- *   <https://www.gnu.org/licenses/>.                                       *
- *                                                                          *
- ***************************************************************************/
-
-
-#include "PreCompiled.h"
diff --git a/src/Mod/Start/App/PreCompiled.h b/src/Mod/Start/App/PreCompiled.h
index 8de06e5dd6..3e7db2aa11 100644
--- a/src/Mod/Start/App/PreCompiled.h
+++ b/src/Mod/Start/App/PreCompiled.h
@@ -26,8 +26,6 @@
 
 #include <FCConfig.h>
 
-#ifdef _PreComp_
-
 // standard
 #include <cinttypes>
 #include <cmath>
@@ -62,5 +60,4 @@
 #include <QTimer>
 #include <QUrl>
 
-#endif  // _PreComp_
 #endif  // START_PRECOMPILED_H
diff --git a/src/Mod/Start/App/RecentFilesModel.cpp b/src/Mod/Start/App/RecentFilesModel.cpp
index 1a45b1b343..dbd5d4b56c 100644
--- a/src/Mod/Start/App/RecentFilesModel.cpp
+++ b/src/Mod/Start/App/RecentFilesModel.cpp
@@ -21,10 +21,6 @@
  *                                                                          *
  ***************************************************************************/
 
-#include "PreCompiled.h"
-#ifndef _PreComp_
-#endif
-
 #include "RecentFilesModel.h"
 #include <App/Application.h>
 #include <App/ProjectFile.h>
diff --git a/src/Mod/Start/App/ThumbnailSource.cpp b/src/Mod/Start/App/ThumbnailSource.cpp
index b80040c93c..5ab4faad45 100644
--- a/src/Mod/Start/App/ThumbnailSource.cpp
+++ b/src/Mod/Start/App/ThumbnailSource.cpp
@@ -21,15 +21,12 @@
  *                                                                          *
  ***************************************************************************/
 
-#include "PreCompiled.h"
-#ifndef _PreComp_
 #include <QFile>
 #include <QMetaObject>
 #include <QMutexLocker>
 #include <QObject>
 #include <QProcess>
 #include <QTimer>
-#endif
 
 #include "ThumbnailSource.h"
 
diff --git a/src/Mod/Start/Gui/AppStartGui.cpp b/src/Mod/Start/Gui/AppStartGui.cpp
index 99caa2ab26..4e67f0e141 100644
--- a/src/Mod/Start/Gui/AppStartGui.cpp
+++ b/src/Mod/Start/Gui/AppStartGui.cpp
@@ -21,11 +21,9 @@
  *                                                                          *
  ***************************************************************************/
 
-#include "PreCompiled.h"
-#ifndef _PreComp_
 #include <QString>
 #include <QTimer>
-#endif
+
 
 #include <Base/Console.h>
 #include <Base/Interpreter.h>
diff --git a/src/Mod/Start/Gui/CMakeLists.txt b/src/Mod/Start/Gui/CMakeLists.txt
index a78e65b531..57d03d4cf3 100644
--- a/src/Mod/Start/Gui/CMakeLists.txt
+++ b/src/Mod/Start/Gui/CMakeLists.txt
@@ -57,7 +57,6 @@ SET(StartGui_SRCS
         Manipulator.h
         NewFileButton.cpp
         NewFileButton.h
-        PreCompiled.cpp
         PreCompiled.h
         StartView.cpp
         StartView.h
@@ -76,13 +75,6 @@ SET(StartGuiThumbnail_PNG
         Resources/thumbnails/Theme_thumbnail_light.png
         )
 
-# TODO: Evaluate PCH use with Qt6/QtQuick/Qml
-if (FREECAD_USE_PCH)
-    add_definitions(-D_PreComp_)
-    GET_MSVC_PRECOMPILED_SOURCE("PreCompiled.cpp" PCH_SRCS ${StartGui_SRCS})
-    ADD_MSVC_PRECOMPILED_HEADER(StartGui PreCompiled.h PreCompiled.cpp PCH_SRCS)
-endif (FREECAD_USE_PCH)
-
 # Add CoreFoundation to StartGui_LIBS on macOS
 if (APPLE)
     find_library(COREFOUNDATION_LIBRARY CoreFoundation)
@@ -99,6 +91,13 @@ add_library(StartGui SHARED
     ${StartGuiThumbnail_PNG}
 )
 
+# TODO: Evaluate PCH use with Qt6/QtQuick/Qml
+if(FREECAD_USE_PCH)
+    target_precompile_headers(StartGui PRIVATE
+            $<$<COMPILE_LANGUAGE:CXX>:"${CMAKE_CURRENT_LIST_DIR}/PreCompiled.h">
+    )
+endif(FREECAD_USE_PCH)
+
 target_include_directories(
     StartGui
     PRIVATE
diff --git a/src/Mod/Start/Gui/DlgStartPreferencesImp.cpp b/src/Mod/Start/Gui/DlgStartPreferencesImp.cpp
index 84b17fae2d..39f77c62a4 100644
--- a/src/Mod/Start/Gui/DlgStartPreferencesImp.cpp
+++ b/src/Mod/Start/Gui/DlgStartPreferencesImp.cpp
@@ -20,7 +20,6 @@
  *                                                                         *
  ***************************************************************************/
 
-#include "PreCompiled.h"
 
 #include <Gui/Application.h>
 
diff --git a/src/Mod/Start/Gui/FileCardDelegate.cpp b/src/Mod/Start/Gui/FileCardDelegate.cpp
index 7162a40710..f0aa420d5e 100644
--- a/src/Mod/Start/Gui/FileCardDelegate.cpp
+++ b/src/Mod/Start/Gui/FileCardDelegate.cpp
@@ -21,9 +21,6 @@
  *                                                                          *
  ***************************************************************************/
 
-#include "PreCompiled.h"
-
-#ifndef _PreComp_
 #include <QFile>
 #include <QFileIconProvider>
 #include <QImageReader>
@@ -36,7 +33,6 @@
 #include <QPushButton>
 #include <QString>
 #include <QAbstractItemView>
-#endif
 
 #include "FileCardDelegate.h"
 #include "../App/DisplayedFilesModel.h"
diff --git a/src/Mod/Start/Gui/FileCardView.cpp b/src/Mod/Start/Gui/FileCardView.cpp
index b7ab1d91ee..f0e5795374 100644
--- a/src/Mod/Start/Gui/FileCardView.cpp
+++ b/src/Mod/Start/Gui/FileCardView.cpp
@@ -21,7 +21,6 @@
  *                                                                          *
  ***************************************************************************/
 
-#include "PreCompiled.h"
 #include "FileCardView.h"
 
 #include <App/Application.h>
diff --git a/src/Mod/Start/Gui/FirstStartWidget.cpp b/src/Mod/Start/Gui/FirstStartWidget.cpp
index 59c8ef4d8c..b21042a67f 100644
--- a/src/Mod/Start/Gui/FirstStartWidget.cpp
+++ b/src/Mod/Start/Gui/FirstStartWidget.cpp
@@ -21,9 +21,7 @@
  *                                                                          *
  ***************************************************************************/
 
-#include "PreCompiled.h"
 
-#ifndef _PreComp_
 #include <QGuiApplication>
 #include <QHBoxLayout>
 #include <QLabel>
@@ -31,7 +29,7 @@
 #include <QResizeEvent>
 #include <QVBoxLayout>
 #include <QWidget>
-#endif
+
 
 #include "FirstStartWidget.h"
 #include "ThemeSelectorWidget.h"
diff --git a/src/Mod/Start/Gui/FlowLayout.cpp b/src/Mod/Start/Gui/FlowLayout.cpp
index f12b45d003..3befc298d9 100644
--- a/src/Mod/Start/Gui/FlowLayout.cpp
+++ b/src/Mod/Start/Gui/FlowLayout.cpp
@@ -21,7 +21,6 @@
  *                                                                         *
  **************************************************************************/
 
-#include "PreCompiled.h"
 #include <QWidget>
 #include "FlowLayout.h"
 
diff --git a/src/Mod/Start/Gui/GeneralSettingsWidget.cpp b/src/Mod/Start/Gui/GeneralSettingsWidget.cpp
index 6a0a10ab74..3082d3987b 100644
--- a/src/Mod/Start/Gui/GeneralSettingsWidget.cpp
+++ b/src/Mod/Start/Gui/GeneralSettingsWidget.cpp
@@ -21,8 +21,6 @@
  *                                                                          *
  ***************************************************************************/
 
-#include "PreCompiled.h"
-#ifndef _PreComp_
 #include <QApplication>
 #include <QComboBox>
 #include <QGridLayout>
@@ -31,7 +29,7 @@
 #include <QToolButton>
 #include <QVBoxLayout>
 #include <QWidget>
-#endif
+
 
 #include <algorithm>
 #include "GeneralSettingsWidget.h"
diff --git a/src/Mod/Start/Gui/Manipulator.cpp b/src/Mod/Start/Gui/Manipulator.cpp
index 9c4662d597..ab96853906 100644
--- a/src/Mod/Start/Gui/Manipulator.cpp
+++ b/src/Mod/Start/Gui/Manipulator.cpp
@@ -21,12 +21,10 @@
  *                                                                          *
  ***************************************************************************/
 
-#include "PreCompiled.h"
-#ifndef _PreComp_
 #include <QCoreApplication>
 #include <QCoreApplication>
 #include <QLayout>
-#endif
+
 
 #include "Manipulator.h"
 #include "StartView.h"
diff --git a/src/Mod/Start/Gui/NewFileButton.cpp b/src/Mod/Start/Gui/NewFileButton.cpp
index 22081f0434..cd6a68c0f7 100644
--- a/src/Mod/Start/Gui/NewFileButton.cpp
+++ b/src/Mod/Start/Gui/NewFileButton.cpp
@@ -21,16 +21,12 @@
  *                                                                          *
  ***************************************************************************/
 
-#include "PreCompiled.h"
-
-#ifndef _PreComp_
 #include <QLabel>
 #include <QFont>
 #include <QIcon>
 #include <QHBoxLayout>
 #include <QVBoxLayout>
 #include <QString>
-#endif
 
 #include "NewFileButton.h"
 #include <algorithm>
diff --git a/src/Mod/Start/Gui/PreCompiled.cpp b/src/Mod/Start/Gui/PreCompiled.cpp
deleted file mode 100644
index b17d7731bd..0000000000
--- a/src/Mod/Start/Gui/PreCompiled.cpp
+++ /dev/null
@@ -1,25 +0,0 @@
-// SPDX-License-Identifier: LGPL-2.1-or-later
-/****************************************************************************
- *                                                                          *
-#    Copyright (c) 2024 The FreeCAD Project Association AISBL               *
- *                                                                          *
- *   This file is part of FreeCAD.                                          *
- *                                                                          *
- *   FreeCAD is free software: you can redistribute it and/or modify it     *
- *   under the terms of the GNU Lesser General Public License as            *
- *   published by the Free Software Foundation, either version 2.1 of the   *
- *   License, or (at your option) any later version.                        *
- *                                                                          *
- *   FreeCAD is distributed in the hope that it will be useful, but         *
- *   WITHOUT ANY WARRANTY; without even the implied warranty of             *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU       *
- *   Lesser General Public License for more details.                        *
- *                                                                          *
- *   You should have received a copy of the GNU Lesser General Public       *
- *   License along with FreeCAD. If not, see                                *
- *   <https://www.gnu.org/licenses/>.                                       *
- *                                                                          *
- ***************************************************************************/
-
-
-#include "PreCompiled.h"
diff --git a/src/Mod/Start/Gui/PreCompiled.h b/src/Mod/Start/Gui/PreCompiled.h
index 3812963c2c..d5af8c97d3 100644
--- a/src/Mod/Start/Gui/PreCompiled.h
+++ b/src/Mod/Start/Gui/PreCompiled.h
@@ -26,8 +26,6 @@
 
 #include <FCConfig.h>
 
-#ifdef _PreComp_
-
 // standard
 #include <cinttypes>
 #include <cmath>
@@ -72,5 +70,4 @@
 #include <QVBoxLayout>
 #include <QWidget>
 
-#endif  // _PreComp_
 #endif  // STARTGUI_PRECOMPILED_H
diff --git a/src/Mod/Start/Gui/StartView.cpp b/src/Mod/Start/Gui/StartView.cpp
index cf9ced5b9e..bd75e3544b 100644
--- a/src/Mod/Start/Gui/StartView.cpp
+++ b/src/Mod/Start/Gui/StartView.cpp
@@ -21,9 +21,7 @@
  *                                                                          *
  ***************************************************************************/
 
-#include "PreCompiled.h"
 
-#ifndef _PreComp_
 #include <QApplication>
 #include <QCheckBox>
 #include <QFrame>
@@ -38,7 +36,6 @@
 #include <QWidget>
 #include <QStackedWidget>
 #include <QShowEvent>
-#endif
 
 #include "StartView.h"
 #include "FileCardDelegate.h"
diff --git a/src/Mod/Start/Gui/ThemeSelectorWidget.cpp b/src/Mod/Start/Gui/ThemeSelectorWidget.cpp
index a17ecc9c3f..8f6a41ab56 100644
--- a/src/Mod/Start/Gui/ThemeSelectorWidget.cpp
+++ b/src/Mod/Start/Gui/ThemeSelectorWidget.cpp
@@ -21,15 +21,13 @@
  *                                                                          *
  ***************************************************************************/
 
-#include "PreCompiled.h"
-#ifndef _PreComp_
 #include <QGuiApplication>
 #include <QHBoxLayout>
 #include <QLabel>
 #include <QString>
 #include <QStyleHints>
 #include <QToolButton>
-#endif
+
 
 #include "ThemeSelectorWidget.h"
 #include <gsl/pointers>
@@ -37,6 +35,8 @@
 #include <Gui/Command.h>
 #include <Gui/PreferencePackManager.h>
 
+#include <FCConfig.h>
+
 #ifdef FC_OS_MACOSX
 #include <CoreFoundation/CoreFoundation.h>
 #endif