How To Remove Facebook Timeline

Step1.
First go to Facebook Developer Page. Where you created this app.
Then Go to Edit App.

Step 2.
when you click on edit then you can see on left corner Delete App. Just click on it.

 

Step 3.
Once you click on Delete App then its asking for Delete Confirmation. 

When You Confirm, then your Timeline will be disabled..
Now Enjoy with your old FB profile :)