How to remove fixed column horizontal scroll bar

dravidnsk

var rowCount = $('#fixedtable tr').length;
var heightDy=$('#fixedtable ').height()-300;
if(rowCount>1){
var cTable =$('#fixedtable ').dataTable( {
"scrollY" : "94%",
"scrollX" : "90%",
"scrollCollapse" : true,
"bFilter" : false,
"bInfo" : false,
"bJQueryUI" : false,
"bAutoWidth" : false,
"paging" : false

} );

 new $.fn.dataTable.FixedColumns( cTable, { heightMatch: 'none' }  );

}

while my table display is giving 2 scroll bar .
1)How to remove fixed column horizontal scroll bar
2)both the scroll bar not in alignment ? how to do the alignment ?