diff --git a/src/gutter-component.coffee b/src/gutter-component.coffee
index 9dc6fb3e7..826723575 100644
--- a/src/gutter-component.coffee
+++ b/src/gutter-component.coffee
@@ -19,9 +19,7 @@ GutterComponent = React.createClass
     {scrollHeight, scrollViewHeight, onMouseDown} = @props
 
     div className: 'gutter', onClick: @onClick, onMouseDown: onMouseDown,
-      # The line-numbers div must have the 'editor-colors' class so it has an
-      # opaque background to avoid sub-pixel anti-aliasing problems on the GPU
-      div className: 'gutter line-numbers editor-colors', ref: 'lineNumbers', style:
+      div className: 'gutter line-numbers', ref: 'lineNumbers', style:
         height: Math.max(scrollHeight, scrollViewHeight)
         WebkitTransform: @getTransform()
 
diff --git a/src/lines-component.coffee b/src/lines-component.coffee
index 9704aaf35..d1b1aba94 100644
--- a/src/lines-component.coffee
+++ b/src/lines-component.coffee
@@ -26,9 +26,7 @@ LinesComponent = React.createClass
         width: scrollWidth
         WebkitTransform: @getTransform()
 
-    # The lines div must have the 'editor-colors' class so it has an opaque
-    # background to avoid sub-pixel anti-aliasing problems on the GPU
-    div {className: 'lines editor-colors', style},
+    div {className: 'lines', style},
       div className: 'placeholder-text', placeholderText if placeholderText?
       HighlightsComponent({editor, highlightDecorations, lineHeightInPixels, defaultCharWidth, scopedCharacterWidthsChangeCount, performedInitialMeasurement})