Dequeue jQuery Migrate

// functions.php
function dequeue_jquery_migrate( &$scripts ){
  if( !is_admin() ) {
    $scripts->remove( 'jquery');
    $scripts->add( 'jquery', false, array( 'jquery-core' ), '1.10.2' );
  }
}
add_filter( 'wp_default_scripts', 'dequeue_jquery_migrate' );

Read : Reasons to dequeue this script