diff --git a/src/corelib/global/qconfig-bootstrapped.h b/src/corelib/global/qconfig-bootstrapped.h
index f8858460cae..db77917444d 100644
--- a/src/corelib/global/qconfig-bootstrapped.h
+++ b/src/corelib/global/qconfig-bootstrapped.h
@@ -126,7 +126,6 @@
 #endif
 #define QT_FEATURE_syslog -1
 #define QT_NO_SYSTEMLOCALE
-#define QT_FEATURE_systemsemaphore -1
 #define QT_FEATURE_temporaryfile 1
 #define QT_FEATURE_textdate 1
 #define QT_FEATURE_thread -1
diff --git a/src/tools/bootstrap/CMakeLists.txt b/src/tools/bootstrap/CMakeLists.txt
index 08ea2053c5a..a348ddd8e24 100644
--- a/src/tools/bootstrap/CMakeLists.txt
+++ b/src/tools/bootstrap/CMakeLists.txt
@@ -50,7 +50,6 @@ qt_internal_extend_target(Bootstrap
         ../../corelib/kernel/qmetacontainer.cpp
         ../../corelib/kernel/qmetatype.cpp
         ../../corelib/kernel/qsystemerror.cpp
-        ../../corelib/kernel/qsystemsemaphore.cpp
         ../../corelib/kernel/qvariant.cpp
         ../../corelib/plugin/quuid.cpp
         ../../corelib/serialization/qcborcommon.cpp
@@ -135,9 +134,6 @@ qt_internal_extend_target(Bootstrap CONDITION UNIX
         ../../corelib/io/qfilesystemiterator_unix.cpp
         ../../corelib/io/qfsfileengine_unix.cpp
         ../../corelib/kernel/qcore_unix.cpp
-        ../../corelib/kernel/qsystemsemaphore_posix.cpp
-        ../../corelib/kernel/qsystemsemaphore_systemv.cpp
-        ../../corelib/kernel/qsystemsemaphore_unix.cpp
 )
 
 qt_internal_extend_target(Bootstrap CONDITION WIN32
@@ -148,7 +144,6 @@ qt_internal_extend_target(Bootstrap CONDITION WIN32
         ../../corelib/io/qfsfileengine_win.cpp
         ../../corelib/io/qstandardpaths_win.cpp
         ../../corelib/kernel/qcoreapplication_win.cpp
-        ../../corelib/kernel/qsystemsemaphore_win.cpp
         ../../corelib/kernel/qwinregistry.cpp
         ../../corelib/plugin/qsystemlibrary.cpp
     PUBLIC_LIBRARIES