Remove row while model (QSqlRelationalTableModel) is dirty

[Panoss]

I add a new row in my model (QSqlRelationalTableModel).
So, it's dirty (model ->dirty returns true) . (EditStrategy is OnManualSubmit)

If I want to cancel the new record and delete it from the model while it is dirty, what should I do?

I tried:

 model->removeRow(model->rowCount());

but fails, the row is not removed from model.

[Panoss]

I replaced:

model->rowCount()

with:

mapper->currentIndex()

and seems to work.

[Panoss]

But the model>isDirty() remains true...
How can I make it become false?
I tried:

mapper->submit();
model->submitAll();
model->submit(); 

but they fail.

EDIT: model->revertAll() seems to set isDirty to false.