diff --git a/benchmark/benchmark-suite.coffee b/benchmark/benchmark-suite.coffee
index 1e833fc21..7857da039 100644
--- a/benchmark/benchmark-suite.coffee
+++ b/benchmark/benchmark-suite.coffee
@@ -59,7 +59,7 @@ describe "editor.", ->
         editor.insertText('"')
         editor.backspace()
 
-    describe "calculating-pixel-position.", ->
+    fdescribe "calculating-pixel-position.", ->
       line = null
       beforeEach ->
         editor.scrollTop(2000)
diff --git a/src/editor.coffee b/src/editor.coffee
index 7c23544b4..f5df9f6ef 100644
--- a/src/editor.coffee
+++ b/src/editor.coffee
@@ -9,6 +9,8 @@ fsUtils = require './fs-utils'
 $ = require './jquery-extensions'
 _ = require './underscore-extensions'
 
+MEASURE_RANGE = document.createRange()
+
 # Private: Represents the entire visual pane in Atom.
 #
 # The Editor manages the {EditSession}, which manages the file buffers.
@@ -1563,11 +1565,9 @@ class Editor extends View
         break
       delta = nextDelta
 
-    range = document.createRange()
-    range.setEnd(textNode, offset)
-    range.collapse()
-    left = range.getClientRects()[0].left - Math.floor(@scrollView.offset().left) + Math.floor(@scrollLeft())
-    range.detach()
+    MEASURE_RANGE.setEnd(textNode, offset)
+    MEASURE_RANGE.collapse()
+    left = MEASURE_RANGE.getClientRects()[0].left - Math.floor(@scrollView.offset().left) + Math.floor(@scrollLeft())
 
     lineCache[column] = left
     left