> For the complete documentation index, see [llms.txt](https://docs.enercalc.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.enercalc.com/efr-user-manual/calculation-types/working-with-beam-calculations/beam-design-rules/erasing-rules-from-elements.md).

# Erasing Rule Definitions From Elements

How to erase beam design rules from selected elements and the resulting warning states and default rules on relaunch.

Rules may be selectively erased from the elements they were previously assigned to using the "Erase Definitions From Elements" button.

Users should take note that the "Erase Definitions" control is independent of the current table row selection. Using this command will erase **ANY** beam design rule from the elements the user picks.

![](https://4249100372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgHVzpA9PT0VcuNGp6j39%2Fuploads%2Fgit-blob-d6ed958556f88dd316e5ba5fb37eb94c62863164%2Fclip0735.png?alt=media)

Similar to the "Apply" control, the "Erase" control will trigger a multi-select process and await element selection by the user:

![](https://4249100372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgHVzpA9PT0VcuNGp6j39%2Fuploads%2Fgit-blob-6800737461dad6ced01e692cd509a6ce8e2583a8%2Fclip0719.png?alt=media)

![](https://4249100372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgHVzpA9PT0VcuNGp6j39%2Fuploads%2Fgit-blob-c6133b787e518b302d2ce324708a7707f3fef470%2Fclip0720.png?alt=media)

When the user clicks "Finish" to complete the selection operation, all selected elements will have their beam design rule erased, regardless of which rule is highlighted in the table. The "Element Qty." column will then automatically update to reflect the fact that some elements have had their beam design rule erased:

![](https://4249100372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgHVzpA9PT0VcuNGp6j39%2Fuploads%2Fgit-blob-6846c427290e0e2d8552b154b8fb4293ebd8f079%2Fclip0741.png?alt=media)

Similar to the case of modifying rules, there is a risk of impact to existing calculations when rules are erased from elements. As a result, any existing beam calculation whose beam design rule was erased will automatically be placed in a warning state. This is evident via both color-coded highlighting in the Revit view and via the Element Manager:

![](https://4249100372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgHVzpA9PT0VcuNGp6j39%2Fuploads%2Fgit-blob-db32508adebe53210bbb5bf4ce11adbf60522a5e%2Fclip0726.png?alt=media)

Any beam calculation that is subsequently relaunched after its design rules have been erased will be launched with the following default rules:

* Auto add beam weight = true
* Deflection ratio - Total = 180
* Deflection ratio - Live Load = 240
* Design method = ASD


---

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