How to delete custom advanced workflow?

[katenech]

I understand, it's really stupid question, but…
I removed extension folder, executed command "delete all workflows" in workflow-console, but all advanced workflows are in "Start Advanced Workflow Wizard". How it's possible??

[vinaxwater]

all workflow inserted into database because i think you must doing with database. Thanks!

[katenech]

This is decision:

undeploy definition name jbpm$name_processdefinition