diff --git a/cmake/QtInternalTargets.cmake b/cmake/QtInternalTargets.cmake
index 569fddbbc60..6d3eddcb965 100644
--- a/cmake/QtInternalTargets.cmake
+++ b/cmake/QtInternalTargets.cmake
@@ -160,7 +160,7 @@ qt_internal_add_global_definition(QT_NO_AS_CONST)
 qt_internal_add_global_definition(QT_NO_QEXCHANGE)
 qt_internal_add_global_definition(QT_NO_NARROWING_CONVERSIONS_IN_CONNECT)
 qt_internal_add_global_definition(QT_EXPLICIT_QFILE_CONSTRUCTION_FROM_PATH)
-qt_internal_add_global_definition(QT_USE_QSTRINGBUILDER SCOPE PLUGIN TOOL)
+qt_internal_add_global_definition(QT_USE_QSTRINGBUILDER SCOPE PLUGIN TOOL MODULE)
 
 if(WARNINGS_ARE_ERRORS)
     qt_internal_set_warnings_are_errors_flags(PlatformModuleInternal INTERFACE)
diff --git a/cmake/QtModuleHelpers.cmake b/cmake/QtModuleHelpers.cmake
index 0517f096730..792821777e5 100644
--- a/cmake/QtModuleHelpers.cmake
+++ b/cmake/QtModuleHelpers.cmake
@@ -575,7 +575,6 @@ function(qt_internal_add_module target)
         list(APPEND defines_for_extend_target
             QT_NO_CAST_TO_ASCII QT_ASCII_CAST_WARNINGS
             QT_MOC_COMPAT #we don't need warnings from calling moc code in our generated code
-            QT_USE_QSTRINGBUILDER
             QT_DEPRECATED_WARNINGS
             QT_BUILDING_QT
             QT_BUILD_${module_define_infix}_LIB ### FIXME: use QT_BUILD_ADDON for Add-ons or remove if we don't have add-ons anymore