remove details preview of krajee avatar upload?

I'm using the jquery krajee plugin to upload images, however I have a problem. I can not remove the zoom button from the image after uploading

Thisistheconfigurationscriptcode:

<!--jQuery--><scriptsrc="<?php echo base_url();?>assets/js/jquery.js"></script>
    <!-- Bootstrap Core JavaScript -->
    <script src="<?php echo base_url();?>assets/js/bootstrap.min.js"></script>
    <script src="//ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
    <!-- the main fileinput plugin file -->
    <script src="<?php echo base_url();?>assets/js/fileinput.min.js"></script>
    <script src="<?php echo base_url();?>assets/js/theme.js"></script>


    <!-- the fileinput plugin initialization -->
    <script>
    var btnCust = '<button type="submit" class="btn btn-default" title="Upload">' + 
        '<i class="glyphicon glyphicon-upload"></i>'+
        '</button>'; 
    $("#avatar-1").fileinput({
        browseOnZoneClick: true,
        overwriteInitial: true,
        maxFileSize: 1500,
        showClose: false,
        showCaption: false,
        showBrowse: false,
        removeLabel: '',
        removeIcon: '<i class="glyphicon glyphicon-remove"></i>',
        removeTitle: 'Cancel or reset changes',
        elErrorContainer: '#kv-avatar-errors-1',
        msgErrorClass: 'alert alert-block alert-danger',
        defaultPreviewContent: '<img src="<?php echo base_url(); ?><?php echo $_SESSION['Utilizador']['Imagem'] ?>" alt="Imagem de perfil" style="width:160px"><h6 class="text-muted">Clique para selecionar</h6>',
        layoutTemplates: {main2: '{preview} ' +  btnCust + ' {remove} {browse}'},
        allowedFileExtensions: ["jpg", "png", "gif"]
    });
    </script>