Is there a way to reduce the length of the Timeline?

In Captivate 6, one of my slides has an audio track that is a minute and thirty seconds long. No elements will go beyond a minute-thirty. But the timeline is twenty minutes and thirty-two seconds long. If I zoom in to fine-tune some layers the scroll bar slider at the bottom gets incredibly small. It's a lot of wasted space. I'm looking for something like After Effects' "Reduce comp to work area" function. Does it exist in Captivate?