diff --git a/src/lines-tile-component.coffee b/src/lines-tile-component.coffee
index 51d11f814..3f1167238 100644
--- a/src/lines-tile-component.coffee
+++ b/src/lines-tile-component.coffee
@@ -315,6 +315,7 @@ class LinesTileComponent
       lineNode.dataset.screenRow = newLineState.screenRow
       oldLineState.screenRow = newLineState.screenRow
       @lineIdsByScreenRow[newLineState.screenRow] = id
+      @screenRowsByLineId[id] = newLineState.screenRow
 
   lineNodeForScreenRow: (screenRow) ->
     @lineNodesByLineId[@lineIdsByScreenRow[screenRow]]
diff --git a/src/text-editor-presenter.coffee b/src/text-editor-presenter.coffee
index 87a030217..27bbd0de3 100644
--- a/src/text-editor-presenter.coffee
+++ b/src/text-editor-presenter.coffee
@@ -695,10 +695,6 @@ class TextEditorPresenter
       @updateScrollbarDimensions()
       @updateScrollWidth()
 
-  updateContentDimensions: ->
-    @updateVerticalDimensions()
-    @updateHorizontalDimensions()
-
   updateClientHeight: ->
     return unless @height? and @horizontalScrollbarHeight?