           title: tab.title
           relevancyFunction: @computeRelevancy
           tabId: tab.id
+          deDuplicate: false
       onComplete suggestions
 
   computeRelevancy: (suggestion) ->

    @highlightTerms = true
    # @insertText is text to insert into the vomnibar input when the suggestion is selected.
    @insertText = null

    # Other options set by individual completers include:
    # - tabId (TabCompleter)

    suggestions =
      for suggestion in suggestions
        url = suggestion.shortenUrl()
        continue if suggestion.deDuplicate and seenUrls[url]
        break if count++ == @maxResults
        seenUrls[url] = suggestion

