> For the complete documentation index, see [llms.txt](https://docs.bimcat.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bimcat.org/user-manual/usage/library-browser/current-project/remove-ec3-data.md).
# Remove bimCAT Data
The **Remove bimCAT Data** button becomes available when one or more items are checked using the checkboxes. Allows to remove the bimCAT back annotations from the checked items.
Before:
After:
If the selected family types are located in linked models, upon clicking the **Remove bimCAT Data** button a save prompt will be displayed.
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