diff --git a/src/corelib/kernel/qcore_mac.mm b/src/corelib/kernel/qcore_mac.mm
index 0c08d4c1c63..16c35cd3fa7 100644
--- a/src/corelib/kernel/qcore_mac.mm
+++ b/src/corelib/kernel/qcore_mac.mm
@@ -322,7 +322,7 @@ QDebug operator<<(QDebug debug, const QCFString &string)
 }
 #endif // !QT_NO_DEBUG_STREAM
 
-#ifdef Q_OS_MACOS
+#if defined(Q_OS_MACOS) && !defined(QT_BOOTSTRAPPED)
 bool qt_mac_applicationIsInDarkMode()
 {
     auto appearance = [NSApp.effectiveAppearance bestMatchFromAppearancesWithNames:
@@ -563,6 +563,7 @@ QMacRootLevelAutoReleasePool::~QMacRootLevelAutoReleasePool()
 
 // -------------------------------------------------------------------------
 
+#ifndef QT_BOOTSTRAPPED
 void qt_apple_check_os_version()
 {
 #if defined(__WATCH_OS_VERSION_MIN_REQUIRED)
@@ -610,6 +611,7 @@ void qt_apple_check_os_version()
     }
 }
 Q_CONSTRUCTOR_FUNCTION(qt_apple_check_os_version);
+#endif // QT_BOOTSTRAPPED
 
 // -------------------------------------------------------------------------
 
@@ -656,6 +658,7 @@ QT_BEGIN_NAMESPACE
 
 // -------------------------------------------------------------------------
 
+#ifndef QT_BOOTSTRAPPED
 QOperatingSystemVersion QMacVersion::buildSDK(VersionTarget target)
 {
     switch (target) {
@@ -775,6 +778,7 @@ QMacVersion::VersionTuple QMacVersion::libraryVersion()
     }();
     return version;
 }
+#endif // QT_BOOTSTRAPPED
 
 // -------------------------------------------------------------------------
 
diff --git a/src/corelib/text/qregularexpression.cpp b/src/corelib/text/qregularexpression.cpp
index 906fabd2dea..8640dbf265d 100644
--- a/src/corelib/text/qregularexpression.cpp
+++ b/src/corelib/text/qregularexpression.cpp
@@ -981,7 +981,7 @@ static bool isJitEnabled()
 
 #ifdef QT_DEBUG
     return false;
-#elif defined(Q_OS_MACOS)
+#elif defined(Q_OS_MACOS) && !defined(QT_BOOTSTRAPPED)
     return !qt_mac_runningUnderRosetta();
 #else
     return true;
diff --git a/src/tools/bootstrap/CMakeLists.txt b/src/tools/bootstrap/CMakeLists.txt
index 914726cc147..b9d487c2f8b 100644
--- a/src/tools/bootstrap/CMakeLists.txt
+++ b/src/tools/bootstrap/CMakeLists.txt
@@ -127,11 +127,8 @@ qt_internal_extend_target(Bootstrap CONDITION MSVC AND CLANG
 
 qt_internal_extend_target(Bootstrap CONDITION APPLE
     SOURCES
-        ../../corelib/global/qoperatingsystemversion.cpp
-        ../../corelib/global/qoperatingsystemversion_darwin.mm
         ../../corelib/kernel/qcore_foundation.mm
         ../../corelib/kernel/qcore_mac.mm
-        ../../corelib/tools/qversionnumber.cpp
     PUBLIC_LIBRARIES
         ${FWFoundation}
 )