       @backgroundWorkHandle = null
 
   update: (params) ->
-    currentSoftWrapColumn = @getSoftWrapColumn()
     displayLayerParams = {}
 
     for param in Object.keys(params)

        when 'softWrapAtPreferredLineLength'
          if value isnt @softWrapAtPreferredLineLength
            @softWrapAtPreferredLineLength = value
            softWrapColumn = @getSoftWrapColumn()
            if softWrapColumn isnt currentSoftWrapColumn
              displayLayerParams.softWrapColumn = softWrapColumn

        when 'preferredLineLength'
          if value isnt @preferredLineLength
            @preferredLineLength = value
            softWrapColumn = @getSoftWrapColumn()
            if softWrapColumn isnt currentSoftWrapColumn
              displayLayerParams.softWrapColumn = softWrapColumn

        when 'mini'
          if value isnt @mini

        when 'editorWidthInChars'
          if value > 0 and value isnt @editorWidthInChars
            @editorWidthInChars = value
            displayLayerParams.softWrapColumn = @getSoftWrapColumn()

        when 'width'
          if value isnt @width
            @width = value
            displayLayerParams.softWrapColumn = @getSoftWrapColumn()

        when 'scrollPastEnd'
          if value isnt @scrollPastEnd
