Server Administration > Automate Tasks and Calculate Data Using Event Triggers > Deleting Workflow and Document Event Triggers
  
Deleting Workflow and Document Event Triggers
When a workflow and document event trigger is no longer needed, you can delete it in the Triggers view.
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If you delete a relationship field used in a rule-based trigger, the field associated with the relationship field and rule trigger are automatically deleted.
To delete an event trigger in the GUI