# Particle parameter reappears after deleting it in details panel

**URL:** <https://forums.unrealengine.com/t/particle-parameter-reappears-after-deleting-it-in-details-panel/435978>\
**Category:** FX\
**Tags:** details-panel-ui, unreal-engine, question\
**Created:** [October 19, 2018, 6:59pm UTC](https://forums.unrealengine.com/t/particle-parameter-reappears-after-deleting-it-in-details-panel/435978 "2018-10-19T18:59:27Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![AntonioE](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@AntonioE](https://forums.unrealengine.com/u/AntonioE)\
**Post date:** [October 19, 2018, 6:59pm UTC](https://forums.unrealengine.com/t/particle-parameter-reappears-after-deleting-it-in-details-panel/435978/1 "2018-10-19T18:59:27Z")

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I delete a particle parameter I previously added to a particle in the Details panel. I save-all, and the parameter appears again. I have to delete the particle and add it again to get around this. Just wandering if this happens to anyone else.

![257070-particleparameterbug1.gif](https://d3kjluh73b9h9o.cloudfront.net/original/4X/3/d/9/3d951745865720f3b0e40c824e70796d3f40e760.gif)