twitter bootstrap - How to disable wrap checkbox with .form-group in Yii2 -

how disable wrap checkbox div.form-group in yii2 using yii\bootstrap\activeform?

that need (adminlte login page template):

<div class="row">     <div class="col-xs-8">         <div class="checkbox icheck">             <label>                 <input type="checkbox"> remember me             </label>         </div>     </div>     <div class="col-xs-4">         <button type="submit" class="btn btn-primary btn-block btn-flat">sign in</button>     </div> </div> 

i tried:

<?php $form = activeform::begin(['id' => 'login-form']); ?>     ...     <div class="row">         <div class="col-xs-8">             <?= $form->field($model, 'rememberme')->checkbox(); ?>         </div>         <div class="col-xs-4">             <?= html::submitbutton('sign in', ['class' => 'btn btn-primary btn-block btn-flat', 'name' => 'login-button']); ?>         </div>     </div> <?php activeform::end(); ?> 

it render to:

<div class="row">     <div class="col-xs-8">         <div class="form-group field-loginform-rememberme">             <div class="checkbox">                 <label>                     <input type="checkbox" name="loginform[rememberme]" value="0"> remember me                 </label>                 <p class="help-block help-block-error"></p>             </div>         </div>     </div>     <div class="col-xs-4">         <button type="submit" class="btn btn-primary btn-block btn-flat">sign in</button>     </div> </div> 

everything except wrapper <div class="form-group field-loginform-rememberme">
how remove wrapper?

$form->field($model,'field',[      'options'=>            [              'tag'=>'div',              'class'=>'checkbox icheck'            ]        ]    )->checkbox(); 

or can in next way

$field = $form->field($model,'field',[      'options'=>            [              'tag'=>'div',              'class'=>'checkbox icheck'            ],       'selectors'=>[            'error'=>'span.error'            ]        ]    );    echo $field->begin();   ?>     <label><?php         echo \yii\helpers\html::activecheckbox($model,'field');     ?></label>   <?php        echo \yii\helpers\html::error($model,'field',                        ['class'=>'error','tag'=>'span' ]);   <?php          echo $field->end(); 

something this.