# How to Remove URCAP via the terminal in Docker?

**URL:** <https://forum.universal-robots.com/t/how-to-remove-urcap-via-the-terminal-in-docker/29741>\
**Category:** URCap Development\
**Created:** [July 28, 2023, 7:16pm UTC](https://forum.universal-robots.com/t/how-to-remove-urcap-via-the-terminal-in-docker/29741 "2023-07-28T19:16:54Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![eric.feldmann](https://avatars.discourse-cdn.com/v4/letter/e/94ad74/32.png) [@eric.feldmann](https://forum.universal-robots.com/u/eric.feldmann)\
**Post date:** [July 28, 2023, 7:16pm UTC](https://forum.universal-robots.com/t/how-to-remove-urcap-via-the-terminal-in-docker/29741/1 "2023-07-28T19:16:54Z")

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Hey all. I’ve got some bug with my CAP (not surprised). Says “Extra Bytes at the end of class file [myFileName]” Whatever. I don’t know what’s causing that, but it is causing the simulator to crash while loading. I need to just remove that busted version of my CAP off the simulator, but I can’t boot into it to remove it. I’ve gone through the terminal in VSCode and straight up deleted the urcaps directories to make absolutely sure there’s no CAPs in there, but it still boots up with my busted CAP in there.

Should I just delete the dev container and start over?

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**Author:** ![eric.feldmann](https://avatars.discourse-cdn.com/v4/letter/e/94ad74/32.png) [@eric.feldmann](https://forum.universal-robots.com/u/eric.feldmann)\
**Post date:** [July 28, 2023, 8:26pm UTC](https://forum.universal-robots.com/t/how-to-remove-urcap-via-the-terminal-in-docker/29741/2 "2023-07-28T20:26:19Z")

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Well after a lot of scratching my head, I just rebuilt the container. Seems like there should be an easier way to remove it but whatever.