Travis deploying extra files to github releases

Hi,
I finished setup an opensource electron application for the company that I work on, and I’m having a problem with the files published on Github releases.

If you look at the .travis.yml file on lines 27, 39 and 53 you can see that I’m only publishing 3 *.tgz files for Windows, Osx and Linux.

When I go to the release page of the app, two new files were also created:

Do you know where are these files coming from?
Is there a way to prevent these two to files to be deployed automatically?

Thank you

Something appears to be uploading these files during the build, before your GitHub Releases deployment happens.

https://travis-ci.com/esrlabs/chipmunk/jobs/232657021#L11954
https://travis-ci.com/esrlabs/chipmunk/jobs/232657022#L12010

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