Admins and Publishers can delete a model from the cloud.
Deleting a model from a design group and the files from the shared model's cache is a two-part task. Before you delete a cloud model from a group and delete its model cache, it is recommended to Duplicate the cloud model, which will create a local copy of the cloud model.
to display the horizontal menu.

to open the Manage Online Models and Scenarios dialog box.
.
The model's connection to the cloud service is now cut. No one in the group sharing this model can sync changes to it. However, you need to complete the next step to remove the files from the model cache. Also, each group member should be notified to remove the files from their cache, as shown in step 5.
The model's tile will continue to display on
InfraWorks 360 Home. Its mini-icon switches from
to
. This is not a usable local model.

Now the shared model's files are deleted from the model cache.