diff --git a/src/widgets/itemviews/qabstractitemview.h b/src/widgets/itemviews/qabstractitemview.h
index d5a433943a..837419100a 100644
--- a/src/widgets/itemviews/qabstractitemview.h
+++ b/src/widgets/itemviews/qabstractitemview.h
@@ -326,20 +326,6 @@ protected:
 private:
     Q_DECLARE_PRIVATE(QAbstractItemView)
     Q_DISABLE_COPY(QAbstractItemView)
-    Q_PRIVATE_SLOT(d_func(), void _q_columnsAboutToBeRemoved(const QModelIndex&, int, int))
-    Q_PRIVATE_SLOT(d_func(), void _q_columnsRemoved(const QModelIndex&, int, int))
-    Q_PRIVATE_SLOT(d_func(), void _q_columnsInserted(const QModelIndex&, int, int))
-    Q_PRIVATE_SLOT(d_func(), void _q_rowsInserted(const QModelIndex&, int, int))
-    Q_PRIVATE_SLOT(d_func(), void _q_rowsRemoved(const QModelIndex&, int, int))
-    Q_PRIVATE_SLOT(d_func(), void _q_columnsMoved(const QModelIndex&, int, int, const QModelIndex&, int))
-    Q_PRIVATE_SLOT(d_func(), void _q_rowsMoved(const QModelIndex&, int, int, const QModelIndex&, int))
-    Q_PRIVATE_SLOT(d_func(), void _q_modelDestroyed())
-    Q_PRIVATE_SLOT(d_func(), void _q_layoutChanged())
-    Q_PRIVATE_SLOT(d_func(), void _q_headerDataChanged())
-#if QT_CONFIG(gestures) && QT_CONFIG(scroller)
-    Q_PRIVATE_SLOT(d_func(), void _q_scrollerStateChanged())
-#endif
-    Q_PRIVATE_SLOT(d_func(), void _q_delegateSizeHintChanged(const QModelIndex&))
 
     friend class ::tst_QAbstractItemView;
     friend class ::tst_QTreeView;
diff --git a/src/widgets/itemviews/qcolumnview.h b/src/widgets/itemviews/qcolumnview.h
index 25b15b5273..c0c1398692 100644
--- a/src/widgets/itemviews/qcolumnview.h
+++ b/src/widgets/itemviews/qcolumnview.h
@@ -67,9 +67,6 @@ protected:
 private:
     Q_DECLARE_PRIVATE(QColumnView)
     Q_DISABLE_COPY(QColumnView)
-    Q_PRIVATE_SLOT(d_func(), void _q_gripMoved(int))
-    Q_PRIVATE_SLOT(d_func(), void _q_changeCurrentColumn())
-    Q_PRIVATE_SLOT(d_func(), void _q_clicked(const QModelIndex &))
 };
 
 QT_END_NAMESPACE
diff --git a/src/widgets/itemviews/qheaderview.h b/src/widgets/itemviews/qheaderview.h
index 6118faa868..ddb34311c4 100644
--- a/src/widgets/itemviews/qheaderview.h
+++ b/src/widgets/itemviews/qheaderview.h
@@ -211,14 +211,6 @@ protected:
 private:
     void initStyleOption(QStyleOptionFrame *option) const override;
 
-    // ### Qt6: make them protected slots in QHeaderViewPrivate
-    Q_PRIVATE_SLOT(d_func(), void _q_sectionsRemoved(const QModelIndex &parent, int logicalFirst, int logicalLast))
-    Q_PRIVATE_SLOT(d_func(), void _q_sectionsAboutToBeMoved(const QModelIndex &sourceParent, int logicalStart, int logicalEnd, const QModelIndex &destinationParent, int logicalDestination))
-    Q_PRIVATE_SLOT(d_func(), void _q_sectionsMoved(const QModelIndex &sourceParent, int logicalStart, int logicalEnd, const QModelIndex &destinationParent, int logicalDestination))
-    Q_PRIVATE_SLOT(d_func(), void _q_sectionsAboutToBeChanged(const QList<QPersistentModelIndex> &parents = QList<QPersistentModelIndex>(),
-                                                              QAbstractItemModel::LayoutChangeHint hint = QAbstractItemModel::NoLayoutChangeHint))
-    Q_PRIVATE_SLOT(d_func(), void _q_sectionsChanged(const QList<QPersistentModelIndex> &parents = QList<QPersistentModelIndex>(),
-                                                     QAbstractItemModel::LayoutChangeHint hint = QAbstractItemModel::NoLayoutChangeHint))
     Q_DECLARE_PRIVATE(QHeaderView)
     Q_DISABLE_COPY(QHeaderView)
 };
diff --git a/src/widgets/itemviews/qlistwidget.h b/src/widgets/itemviews/qlistwidget.h
index 516553b71b..c6ba714c43 100644
--- a/src/widgets/itemviews/qlistwidget.h
+++ b/src/widgets/itemviews/qlistwidget.h
@@ -258,16 +258,6 @@ private:
 
     Q_DECLARE_PRIVATE(QListWidget)
     Q_DISABLE_COPY(QListWidget)
-
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemPressed(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemClicked(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemDoubleClicked(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemActivated(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemEntered(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemChanged(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitCurrentItemChanged(const QModelIndex &previous, const QModelIndex &current))
-    Q_PRIVATE_SLOT(d_func(), void _q_sort())
-    Q_PRIVATE_SLOT(d_func(), void _q_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight))
 };
 
 inline void QListWidget::removeItemWidget(QListWidgetItem *aItem)
diff --git a/src/widgets/itemviews/qtableview.h b/src/widgets/itemviews/qtableview.h
index 955b29995c..eff0ea3502 100644
--- a/src/widgets/itemviews/qtableview.h
+++ b/src/widgets/itemviews/qtableview.h
@@ -145,13 +145,6 @@ private:
 
     Q_DECLARE_PRIVATE(QTableView)
     Q_DISABLE_COPY(QTableView)
-    Q_PRIVATE_SLOT(d_func(), void _q_selectRow(int))
-    Q_PRIVATE_SLOT(d_func(), void _q_selectColumn(int))
-    Q_PRIVATE_SLOT(d_func(), void _q_updateSpanInsertedRows(QModelIndex,int,int))
-    Q_PRIVATE_SLOT(d_func(), void _q_updateSpanInsertedColumns(QModelIndex,int,int))
-    Q_PRIVATE_SLOT(d_func(), void _q_updateSpanRemovedRows(QModelIndex,int,int))
-    Q_PRIVATE_SLOT(d_func(), void _q_updateSpanRemovedColumns(QModelIndex,int,int))
-    Q_PRIVATE_SLOT(d_func(), void _q_sortIndicatorChanged(int column, Qt::SortOrder order))
 };
 
 QT_END_NAMESPACE
diff --git a/src/widgets/itemviews/qtablewidget.h b/src/widgets/itemviews/qtablewidget.h
index 8f4cb9a660..303f4d5f5b 100644
--- a/src/widgets/itemviews/qtablewidget.h
+++ b/src/widgets/itemviews/qtablewidget.h
@@ -312,16 +312,6 @@ private:
 
     Q_DECLARE_PRIVATE(QTableWidget)
     Q_DISABLE_COPY(QTableWidget)
-
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemPressed(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemClicked(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemDoubleClicked(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemActivated(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemEntered(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemChanged(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitCurrentItemChanged(const QModelIndex &previous, const QModelIndex &current))
-    Q_PRIVATE_SLOT(d_func(), void _q_sort())
-    Q_PRIVATE_SLOT(d_func(), void _q_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight))
 };
 
 inline void QTableWidget::removeCellWidget(int arow, int acolumn)
diff --git a/src/widgets/itemviews/qtreeview.h b/src/widgets/itemviews/qtreeview.h
index d73ca5e2cd..1dd4650c5d 100644
--- a/src/widgets/itemviews/qtreeview.h
+++ b/src/widgets/itemviews/qtreeview.h
@@ -195,11 +195,6 @@ private:
 
     Q_DECLARE_PRIVATE(QTreeView)
     Q_DISABLE_COPY(QTreeView)
-#if QT_CONFIG(animation)
-    Q_PRIVATE_SLOT(d_func(), void _q_endAnimatedOperation())
-#endif // animation
-    Q_PRIVATE_SLOT(d_func(), void _q_modelAboutToBeReset())
-    Q_PRIVATE_SLOT(d_func(), void _q_sortIndicatorChanged(int column, Qt::SortOrder order))
 };
 
 QT_END_NAMESPACE
diff --git a/src/widgets/itemviews/qtreewidget.h b/src/widgets/itemviews/qtreewidget.h
index f83cf421ed..992f6cdb1c 100644
--- a/src/widgets/itemviews/qtreewidget.h
+++ b/src/widgets/itemviews/qtreewidget.h
@@ -323,19 +323,6 @@ private:
 
     Q_DECLARE_PRIVATE(QTreeWidget)
     Q_DISABLE_COPY(QTreeWidget)
-
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemPressed(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemClicked(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemDoubleClicked(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemActivated(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemEntered(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemChanged(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemExpanded(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitItemCollapsed(const QModelIndex &index))
-    Q_PRIVATE_SLOT(d_func(), void _q_emitCurrentItemChanged(const QModelIndex &previous, const QModelIndex &current))
-    Q_PRIVATE_SLOT(d_func(), void _q_sort())
-    Q_PRIVATE_SLOT(d_func(), void _q_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight))
-    Q_PRIVATE_SLOT(d_func(), void _q_selectionChanged(const QItemSelection &selected, const QItemSelection &deselected))
 };
 
 inline void QTreeWidget::removeItemWidget(QTreeWidgetItem *item, int column)