Use
Under certain prerequisites you can delete activities and activity elements directly, that is, delete physically.

You cannot undo the physical deletion of activities and activity elements.
You can give activities, and activity elements that cannot be deleted directly the Deletion flag status. They are deleted from the project logically.
Prerequisites
You can only directly delete activities and activity elements when they have the status Created or Released.

When deleting activities and activity elements, any residence time that may have been set up is taken into account. If a residence time has been entered in the network type, no deletion is carried out as from the Released status and a corresponding message is issued.
If material components are assigned to an operation with the status Released, the activity cannot be deleted. First delete the material components.
See also:
System statuses in networksFeatures
Set the Deletion flag status for activities, and activity elements if they have any other status than Created or Released. As long as the activities and activity elements have the status Deletion flag and deletion indicators have not been set, you can cancel the deletion flag.
Activities
The following table contains the functions with which you can delete or mark for deletion the activities or activity:
Function |
Menu Path |
Delete activity or activity element directly |
Edit ® Object ® Delete |
Give activity or activity element the status Deletion flag |
Edit ® Status ® Deletion flag |
Canceling Deletion Flags |
Edit ® Status ® Revoke deletion flag |

To be able to revoke the deletion flag, you must first show the activities or activity elements that have been flagged for deletion. To do this, choose Edit ® Object ® Display deleted ® Disp. The activities or activity elements that have been flagged for deletion are underlined in grey. You can now cancel the deletion flag for the required activities or activity elements.