SharePoint 2013 Hide upload and disable drag drop for document library

Add a script web part with the following:

<style type="text/css">

#Ribbon\.Documents\.New\.AddDocument-Large

{    

               display:none !important;

}

</style>

<style type="text/css">

td.ms-addnew

{    

               display:none !important;

}

</style>

<script type="text/javascript">

ExecuteOrDelayUntilScriptLoaded(function() {

    g_uploadType = DragDropMode.NOTSUPPORTED;

    SPDragDropManager.DragDropMode = DragDropMode.NOTSUPPORTED;

}, "DragDrop.js");

</script>