diff --git a/src/corelib/tools/qlist.h b/src/corelib/tools/qlist.h
index c0a92aaa10..f861c1e71c 100644
--- a/src/corelib/tools/qlist.h
+++ b/src/corelib/tools/qlist.h
@@ -126,6 +126,7 @@ class QList
 public:
     struct MemoryLayout
         : std::conditional<
+            // must stay isStatic until ### Qt 6 for BC reasons (don't use !isRelocatable)!
             QTypeInfo<T>::isStatic || QTypeInfo<T>::isLarge,
             QListData::IndirectLayout,
             typename std::conditional<
diff --git a/src/corelib/tools/qvarlengtharray.h b/src/corelib/tools/qvarlengtharray.h
index bb5ae78d2b..25f5176c22 100644
--- a/src/corelib/tools/qvarlengtharray.h
+++ b/src/corelib/tools/qvarlengtharray.h
@@ -352,7 +352,7 @@ Q_OUTOFLINE_TEMPLATE void QVarLengthArray<T, Prealloc>::realloc(int asize, int a
             a = Prealloc;
         }
         s = 0;
-        if (QTypeInfo<T>::isStatic) {
+        if (!QTypeInfoQuery<T>::isRelocatable) {
             QT_TRY {
                 // copy all the old elements
                 while (s < copySize) {
@@ -445,7 +445,7 @@ Q_OUTOFLINE_TEMPLATE typename QVarLengthArray<T, Prealloc>::iterator QVarLengthA
     if (n != 0) {
         resize(s + n);
         const T copy(t);
-        if (QTypeInfo<T>::isStatic) {
+        if (!QTypeInfoQuery<T>::isRelocatable) {
             T *b = ptr + offset;
             T *j = ptr + s;
             T *i = j - n;
diff --git a/src/corelib/tools/qvector.h b/src/corelib/tools/qvector.h
index 5225b68d40..c69d27bbf9 100644
--- a/src/corelib/tools/qvector.h
+++ b/src/corelib/tools/qvector.h
@@ -553,7 +553,7 @@ void QVector<T>::reallocData(const int asize, const int aalloc, QArrayData::Allo
                 T *srcEnd = asize > d->size ? d->end() : d->begin() + asize;
                 T *dst = x->begin();
 
-                if (QTypeInfo<T>::isStatic || (isShared && QTypeInfo<T>::isComplex)) {
+                if (!QTypeInfoQuery<T>::isRelocatable || (isShared && QTypeInfo<T>::isComplex)) {
                     // we can not move the data, we need to copy construct it
                     while (srcBegin != srcEnd) {
                         new (dst++) T(*srcBegin++);
@@ -598,7 +598,7 @@ void QVector<T>::reallocData(const int asize, const int aalloc, QArrayData::Allo
     }
     if (d != x) {
         if (!d->ref.deref()) {
-            if (QTypeInfo<T>::isStatic || !aalloc || (isShared && QTypeInfo<T>::isComplex)) {
+            if (!QTypeInfoQuery<T>::isRelocatable || !aalloc || (isShared && QTypeInfo<T>::isComplex)) {
                 // data was copy constructed, we need to call destructors
                 // or if !alloc we did nothing to the old 'd'.
                 freeData(d);
@@ -697,7 +697,7 @@ typename QVector<T>::iterator QVector<T>::insert(iterator before, size_type n, c
         const T copy(t);
         if (!isDetached() || d->size + n > int(d->alloc))
             reallocData(d->size, d->size + n, QArrayData::Grow);
-        if (QTypeInfo<T>::isStatic) {
+        if (!QTypeInfoQuery<T>::isRelocatable) {
             T *b = d->end();
             T *i = d->end() + n;
             while (i != b)
@@ -746,7 +746,7 @@ typename QVector<T>::iterator QVector<T>::erase(iterator abegin, iterator aend)
         detach();
         abegin = d->begin() + itemsUntouched;
         aend = abegin + itemsToErase;
-        if (QTypeInfo<T>::isStatic) {
+        if (!QTypeInfoQuery<T>::isRelocatable) {
             iterator moveBegin = abegin + itemsToErase;
             iterator moveEnd = d->end();
             while (moveBegin != moveEnd) {