gtk-widget-remove-mnemonic-label (widget label)

widget -- a gtk-widget object
label -- a gtk-widget object that was previously set as a mnemonic label for widget

Removes a widget from the list of mnemonic labels for this widget. See the function gtk-widget-list-mnemonic-labels for a list of mnemonic labels for the widget. The widget must have previously been added to the list with the function gtk-widget-add-mnemonic-label.