Hi, Peter,

Thank you very much for the provided runnable Dojo that allowed us to observe the faulty behaviour you describe.

I converted this thread to a Public feedback item and you may track its process here:

https://feedback.telerik.com/kendo-jquery-ui/1448251-control-keeps-selection-highlighted-after-clearing-value

Until the bug is fixed, you may use this workaround:

function myFunction() {
    daterangepicker.range({ start:null, end: null});
    if(daterangepicker.dateView.calendar){
      daterangepicker.dateView.calendar._range.start = null;
      daterangepicker.dateView.calendar._range.end = null;
    }
  }

As a token of appreciation for helping us improve, I have also updated your Telerik points.

Kind Regards,
Alex Hajigeorgieva
Progress Telerik