diff --git a/src/lines-component.coffee b/src/lines-component.coffee
index ad2847d26..947f22691 100644
--- a/src/lines-component.coffee
+++ b/src/lines-component.coffee
@@ -80,6 +80,7 @@ LinesComponent = React.createClass
         delete @lineNodesByLineId[lineId]
         delete @lineIdsByScreenRow[screenRow] if @lineIdsByScreenRow[screenRow] is lineId
         delete @screenRowsByLineId[lineId]
+        delete @renderedDecorationsByLineId[lineId]
         node.removeChild(lineNode)
 
   appendOrUpdateVisibleLineNodes: (visibleLines, startRow) ->