Make report to Show only some WBS in Gantt chart

Sometime you need to make a report which focus on some WBS only. Like in this picture:

However, the Gantt chart show all other bar and make you distracted.

How about we can make it like this:

Well, much more cleaner. All unnecessary bars is hidden.

I will show you how.

Right click on Gantt chart area. Click on Bar:

You select the Bar which is showed in Gantt chart. By default the “Show bar when collapsed” option is checked. Now you uncheck them:

You will do this for each bar.

Then you will have a very clean Gantt chart.