Looks like we can't reproduce the issue or there's a problem in the test case provided.
"stubs" created in one of my controllers
"stubs" created in one of my controllers which I can delete:
For now is a minor inconvenience (I cant delete them because there is no related object) but increases, innecesary, my JS files.
Do you need my project's file?
UI: Sencha Architect 3.x / ExtJS 4 - 6
Server side: JEE / EJB 3.x / CDI / JPA 2.x/ JAX-RS / JasperReports
Application Server: Glassfish / WildFly
Databases: Oracle / DB2 / MySQL / Firebird
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Can't you see these in your project inspector? that would normally be the place to delete.
Here is the original bug report you opened a few weeks ago and the explanation of why its happening:
This will be fixed post GA.