Any reason to not remove internal shielding when doing mods?

[cr4zymanz0r]

If I'm doing a small space efficient mod I generally try to keep the RF shielding intact, but some mods are just too big and either require discarding the shielding or doing a lot of cutting on it for it to still fit.

Now I'm pretty sure it's generally useless and I've heard it was basically just a requirement imposed by the FCC, as a lot of JPN model consoles don't seem to have any of the metal shielding. However, I don't consider myself an expert on the subject so I wanted to see if anyone has had a negative impact from removing it and/or more knowledge on the subject.

[ApolloBoy]

I removed the shielding from most of my consoles years ago when I did mods to them and so far I haven't noticed any effects. In fact I think the only consoles of mine left that still have shielding are ones where the shielding is structurally integral to the system (i.e. Atari 800, Saturn, Dreamcast). Plus leaving the shielding out makes things easier if you need to make repairs or add more mods.

[Corredor X]

Removing the lower internal shielding (the one under and around the board) of the original Xbox can cause a fuzzy image if you use component cables. I experienced it myself not so long ago, I was "lucky" enough to buy one that the former owner have modded and threw out the shieldings. He only used composite cables with it, which causes no image interference, so he never noticed anything wrong. Had to buy another empty console shell just to get the shieldings for it to work, good thing the shell was in better shape than my first model and I ended using it too. The upper shielding has no effect on the video and can be removed.