diff --git a/src/corelib/kernel/qmetatype.cpp b/src/corelib/kernel/qmetatype.cpp
index b2dfb9e0bf2..dd023c9d20e 100644
--- a/src/corelib/kernel/qmetatype.cpp
+++ b/src/corelib/kernel/qmetatype.cpp
@@ -955,7 +955,7 @@ static const struct { const char * typeName; int typeNameLength; int type; } typ
 };
 
 // NOLINTNEXTLINE(cppcoreguidelines-virtual-class-destructor): this is not a base class
-static const struct : QMetaTypeModuleHelper
+static constexpr struct : QMetaTypeModuleHelper
 {
     template<typename T, typename LiteralWrapper =
              std::conditional_t<std::is_same_v<T, QString>, QLatin1StringView, const char *>>
diff --git a/src/gui/kernel/qguivariant.cpp b/src/gui/kernel/qguivariant.cpp
index 1b60c7c9d6c..fe72e7782fe 100644
--- a/src/gui/kernel/qguivariant.cpp
+++ b/src/gui/kernel/qguivariant.cpp
@@ -57,7 +57,7 @@ QT_BEGIN_NAMESPACE
 namespace {
 
 // NOLINTNEXTLINE(cppcoreguidelines-virtual-class-destructor): this is not a base class
-static const struct : QMetaTypeModuleHelper
+static constexpr struct : QMetaTypeModuleHelper
 {
 #define QT_IMPL_METATYPEINTERFACE_GUI_TYPES(MetaTypeName, MetaTypeId, RealName) \
     QT_METATYPE_INTERFACE_INIT(RealName),
diff --git a/src/widgets/kernel/qwidgetsvariant.cpp b/src/widgets/kernel/qwidgetsvariant.cpp
index 459f95c0fb8..17a19aa780d 100644
--- a/src/widgets/kernel/qwidgetsvariant.cpp
+++ b/src/widgets/kernel/qwidgetsvariant.cpp
@@ -13,7 +13,7 @@ QT_BEGIN_NAMESPACE
 namespace {
 
 // NOLINTNEXTLINE(cppcoreguidelines-virtual-class-destructor): this is not a base class
-static const struct : QMetaTypeModuleHelper
+static constexpr struct : QMetaTypeModuleHelper
 {
     const QtPrivate::QMetaTypeInterface *interfaceForType(int type) const override {
         switch (type) {