Our model is rather large, and over multiple development cycles and many different developers we have a large amount pieces of the model that may now be obsolete. The trouble is with a large model it is incredibly cumbersome to locate safely remove clutter without the fear of causing major issues in the model.
The only way I know of is to check all the "referenced by" columns in the various settings menu lists (Actions Dashboards, Modules etc.), and stitch together a picture of whether something is unused. Even then a complete picture of whether something is used or not isn't available for builders to view (imports pointing to saved views for instance).
It would be incredibly helpful to have a dedicated place in the settings menus where model builders can go to help them identify model clutter, such as:
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