     @_pages = null
     @_highlighter = null
 
-    focusAnnotationId = null
-
   _viewport: (page) =>
     scale = SCALE
     page.pdfPage.getViewport scale

    Notify.debug "Destroying publication #{ @_id }"

    currentPublication = null

    pages = @_pages or []
    @_pages = null # To remove references to pdf.js elements to allow cleanup, and as soon as possible as this disables other callbacks

  _highlights = highlights
  highlightsDependency.changed()

class @Publication extends @Publication
  constructor: (args...) ->
    super args...
