Purge Unused Groups (Revit pyRevit Tool)

See which group types are placed, which are dead weight, and clean house.

Group types linger in a model long after their instances are gone. This pyRevit tool audits both model and detail group types with their instance counts, protects placed groups from accidental deletion, and lets you delete the unused ones or batch-rename any selection.

What's inside

• One pyRevit button: Purge Groups
• An audit dialog listing model and detail group types with instance and member counts
• Unused types highlighted; placed groups blocked from deletion
• Batch rename with prefix, suffix, or find-and-replace, with a live preview
• Cross-language category detection that works on English and German Revit

Who this is for

• BIM managers standardising group naming and cleaning templates
• BIM professionals purging inherited models before issue
• Revit users transitioning into BIM who want to review group usage before deleting

Requirements

• Autodesk Revit 2021 or newer
• pyRevit installed (free, from pyrevitlabs.io)
• Runs in a single confirmable, undoable Revit transaction

What you'll get faster

The risky manual job of deciding which group types are safe to delete. Instance counts make it obvious, and placed groups are protected automatically.

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