Remove draggable functionality from the element.
Examples
sample
<style>
.element { border: 1px solid #999; width: 300px; height: 200px; cursor: move; text-align: center; background-color: #DDD; }
</style>
<button onclick="dragEl.destroy()" class="gj-button-md">Destroy</button>
<div id="element" class="element">Drag Me</div>
<script>
var dragEl = $('#element').draggable();
</script>