UAF — Implements should be removed from Enduring Task diagram

It is Actual Enduring Task that is implemented by Operational Activities. Not the Enduring Task.

Implements removed from Enduring Task diagram

Implements relationship links Operational Activity to Actual Enduring Task not the Enduring task as it is depicted in diagrams for Enduring Task and Implements. As a resolution Enduring Task is removed from Implements diagram and Implements is removed from Enduring Task diagram.