Is your templates folder full of view template files and you are failing to keep track of it?
The most probable reason is that you are creating multiple view template with same contents but different names, just make sure that template is being called in all the veiw. Its high time you do it the smart way.
Note down all the views which are using these templates with the same contents.
Click on Edit name & description and add a new tag, lets call it "firstset"