# \[BUG\] 8.1.0rc3 Pressing 'Esc' when deleting UDT definition with instance deletes definition

**URL:** <https://forum.inductiveautomation.com/t/bug-8-1-0rc3-pressing-esc-when-deleting-udt-definition-with-instance-deletes-definition/40168>\
**Category:** Ignition\
**Tags:** ignition80\
**Created:** [October 30, 2020, 1:06pm UTC](https://forum.inductiveautomation.com/t/bug-8-1-0rc3-pressing-esc-when-deleting-udt-definition-with-instance-deletes-definition/40168 "2020-10-30T13:06:27Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![nminchin](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/nminchin/32/6911_2.png) [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\
**Post date:** [October 30, 2020, 1:06pm UTC](https://forum.inductiveautomation.com/t/bug-8-1-0rc3-pressing-esc-when-deleting-udt-definition-with-instance-deletes-definition/40168/1 "2020-10-30T13:06:27Z")

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When a UDT definition has instances and you go to delete it, it brings up a prompt warning you that it has instances and if you want to continue. If you press `Esc` to cancel it, it deletes it ☹ And tag deletions aren’t added to the undo stack…