def get_formset(self, request, obj=None, **kwargs):
    """
        Override the formset function in order to remove the add and change buttons beside the foreign key pull-down
        menus in the inline.
        """
formset = super(VersionEntryInline, self).get_formset(request, obj, **kwargs)
form = formset.form
widget = form.base_fields['project'].widget
widget.can_add_related = False
widget.can_change_related = False
widget = form.base_fields['version'].widget
widget.can_add_related = False
widget.can_change_related = False
return formset
Django 1.7 removing Add button from inline form