如何在恢复jQuery UI时删除动画可拖动？

I tried Googling and couldn't find this, but I imagine it is a fairly simple task. I am trying to get rid of the revert animation (N.B. I want to keep the revert action, just want to remove the animation of it reverting) when you drop from the left side to the right side in this example : I tried Googling and couldn't find this, but I