Step 1:
In AgentUI, it's not possible to delete an environment, but you can sync it with production to use it for development.
Read that article to discover how.

Agent UI - Knowledge Base
Environments
Discover how to delete an environment in AgentUI.
Last updated on 21 Apr, 2026
In AgentUI, it's not possible to delete an environment, but you can sync it with production to use it for development.
Sync Testing with ProductionRead that article to discover how.