How can I delete the part which is out of the border?

[altay5CB5]

I want to delete it. I tried pathfinder but i think i'm missing somewhere.

[Monika Gause · Accepted solution]

All that's outside the border or just some?

If all: try a clipping mask.

[altay5CB5]

Oh, i forgot to write it. Just bottom part.

[altay5CB5]

i tried clipping mask and it worked but i have to add new border. Thanks.