Dcat-Admin/resources/views/grid/quick-search.blade.php

<style>::-ms-clear,::-ms-reveal{display: none;}</style>

<form action="{!! $action !!}" class="input-no-border d-md-inline-block" pjax-container style="display:none;margin-right: 16px">
    <div class="dataTables_filter">
        <label style="width: {{ $width }}rem">
            <input
                    type="search"
                    class="form-control form-control-sm quick-search-input"
                    placeholder="{{ $placeholder }}"
                    name="{{ $key }}"
                    value="{{ $value }}"
                    auto="{{ $auto ? '1' : '0' }}"
            >

        </label>
        @if (! \Dcat\Admin\Support\Helper::isQQBrowser())
        <span class="quick-search-clear" style="{{$value ? 'color:#333;cursor:pointer;' : ''}}">×</span>
        @endif
    </div>
</form>