diff --git a/src/corelib/itemmodels/qabstractitemmodel.cpp b/src/corelib/itemmodels/qabstractitemmodel.cpp
index cb5c62c190f..50c80c24bb4 100644
--- a/src/corelib/itemmodels/qabstractitemmodel.cpp
+++ b/src/corelib/itemmodels/qabstractitemmodel.cpp
@@ -1766,6 +1766,11 @@ bool QAbstractItemModel::canDropMimeData(const QMimeData *data, Qt::DropAction a
                                          int row, int column,
                                          const QModelIndex &parent) const
 {
+    Q_UNUSED(data)
+    Q_UNUSED(action)
+    Q_UNUSED(row)
+    Q_UNUSED(column)
+    Q_UNUSED(parent)
     return true;
 }