https://communities.bentley.com/products/road___site_design/f/geopak-inroads-mx-openroads-forum/219033/remove-deleted-element-from-surfaceHi, I am using Power inroads SS10. I have attached a dgn with smart elements and corridor. I created surface in the active file from the referenced file. When i delete few features in the referenced file, the deleted features does not go away fromen-USTelligent Community 12https://communities.bentley.com/thread/669970?ContentTypeID=1Fri, 03 Sep 2021 19:15:59 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:ed52758f-6f54-47b7-8ba5-794e1d1f6246Ramanan R<p>Thanks for the reply. The terrain is not a complex terrain. The terrain was created from elements. The elements are in reference file</p><div style="clear:both;"></div>https://communities.bentley.com/thread/669969?ContentTypeID=1Fri, 03 Sep 2021 19:11:34 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:63dfc8c6-ca4e-4242-b3be-d0f9a05dff57eddiegiese<p>You may need to remove the rule for the Terrain so that you are allowed to edit it, if it was built from Complex.</p><div style="clear:both;"></div>