Some example to use this workaround and hide some column in your survey with Expression Manager
hideEmptyColumn
Use Expression Manager to hide column in LimeSurvey. This plugin add some javascript to column with empty header in array question type.
hideEmptyColumn > Documentation hideEmptyColumn > Download You can download hideEmptyColumn in one zip file to be unzipped in your own LimeSurvey installation. You can fork it via GIT if you want.