How do I hide custom fields from a dashboard's widget value?

[Fletcher Wu]

I work in a Jira project that is shared across many teams, and thus there are a lot of custom fields. When I create a dashboard widget (Two Dimensional Filter Statistics for example), and I try to select the values (X and Y axis for example), the dropdown lists all the available custom fields, even those that aren't applicable for my team's project. I tried hiding those fields in Field Configuration but that didn't work. I also made sure the Custom Fields were project specific and not Global, but that didn't work. Anyone have a possible solution to this?

[Nic Brough -Adaptavist-]

There's a lot to go though here.  The shorter version is:

>and thus there are a lot of custom fields.

Why?   Why are people not working with each other in similar ways and providing consistent activity and reporting?

>When I create a dashboard widget [...] the dropdown lists all the available custom fields, even those that aren't applicable for my team's project. 

Why are you expecting a dashboard to read your mind as you want to see on it?  Computers are fast, but stupid.  A dashboard is a collection of reports on stuff you might be interested in.  The computer can not know what you might be interested in, and the software reflects that - in this case, it gives you the flexibility to choose what you want.  If you want to hide things from yourself, you will need to remove your project access so you don't see issues you don't have an interest in.

The "possible solution" is to analyse what you really want to see, not expect a (dumb) computer to guess.