useBeanValidation set to false does not work. Annotations javax.validation.* are still produced

Description

I am trying to turn off bean validation, so not @Validated would be used on generated model.
I can't. When I set false it is completely ignored.

Swagger-codegen version

2.3.1

Swagger declaration file content or url

Command line used for generation

io.swagger swagger-codegen-maven-plugin 2.3.1 generate-java-server generate ${basedir}/src/main/resources/api/pisp-api-swagger.yaml spring ${swagger.debug} Gen <title>${project.parent.name}</title> /src/main/java generated.rest.api generated.rest.model generated.rest spring-boot java8 true true false true false true true false false false true ${swagger.debug} ${swagger.debug} ${swagger.debug}

Steps to reproduce

Use the plugin configuration above and have the code generated.
It will still contain @Validated annotations, plus more javax.validation.*

Related issues/PRs

I haven't found any.

Suggest a fix/enhancement

Please advise, or fix it.

Start by reproducing the issue with the swagger-codegen Maven plugin configuration and generated Spring server models. Trace how the useBeanValidation option is handled and how @Validated and javax.validation annotations are selected. Done means setting useBeanValidation to false prevents those validation annotations from appearing in generated output.