Please let me try to explain in details what is the case here. If you take a look at the default template of any type of row in RadGridView (GridViewRow, GridViewFooterRow etc.) you will see an element named DataCellsPresenter, which is responsible for displaying all kind of cells in RadGridView. Within its template you may see the incorporated part FrozenColumnSplitter. So in order to remove it only in GridViewFooterRow you should predefine the template of GridViewFooterRow and the template of DataCellsPresenter which is incorporated in it. I have updated the previous project which demonstrates how this can be achieved. Please take a look at the attachment and let me know how this works for you!
the Telerik team
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