let grid = new w2grid({

    name    : 'grid',

    columns: [

        { field: 'recid', text: 'ID', size: '50px' },

        { field: 'lname', text: 'Last Name', size: '30%' },

        { field: 'fname', text: 'First Name', size: '30%' },

        { field: 'email', text: 'Email', size: '40%' },

        { field: 'sdate', text: 'End Date', size: '120px' }

    ],

    records: [

        { recid: 1, fname: 'John', lname: 'doe', email: 'vitali@gmail.com', sdate: '1/3/2012' },

        { recid: 2, fname: 'Stuart', lname: 'Motzart', email: 'jdoe@gmail.com', sdate: '2/4/2012' }

    ],

    searches: [

        { field: 'recid', label: 'ID', type: 'int' },

        { field: 'fname', label: 'First Name', type: 'text' },

        { field: 'lname', label: 'Last Name', type: 'text' }

    ]

});

​

grid.removeSearch('recid', 'fname');

​