How can you get rid of them?
There are various paid tools that will let you do it, but if you already have access to the Whitefeet Tools, you can use them to easily delete any import definitions (they don't have to be DWGs) that you no longer want in the model.
Here's how to do it:
- Install the WhiteFeet Tools, if you haven't already.
- Open Revit
- Go to Add-Ins, Utility Tools (the W logo) and click on Management Tools
- Click on Manage Attachment Links
- Select the definition you want to remove. Make sure to select a line with the Type 'definition'. (See image below).
- OK and close out of the dialogs
- Once back in Revit, use the Manage - Select by ID tool and press Ctrl+V. This will paste the element ID for that import definition. The Properties Palette will show the proper import name, but everything will be grayed out.
- Press the Delete key on your keyboard
Congratulations, your model just got cleaner!