diff --git a/app/assets/javascripts/src/check-canvas-support.js b/app/assets/javascripts/src/check-canvas-support.js
deleted file mode 100644
index 90afdde1..00000000
--- a/app/assets/javascripts/src/check-canvas-support.js
+++ /dev/null
@@ -1,15 +0,0 @@
-// TODO document this user agent function
-var labelType, useGradients, nativeTextSupport, animate
-;(function () {
-  var ua = navigator.userAgent,
-    iStuff = ua.match(/iPhone/i) || ua.match(/iPad/i),
-    typeOfCanvas = typeof HTMLCanvasElement,
-    nativeCanvasSupport = (typeOfCanvas == 'object' || typeOfCanvas == 'function'),
-    textSupport = nativeCanvasSupport && (typeof document.createElement('canvas').getContext('2d').fillText == 'function')
-  // I'm setting this based on the fact that ExCanvas provides text support for IE
-  // and that as of today iPhone/iPad current text support is lame
-  labelType = (!nativeCanvasSupport || (textSupport && !iStuff)) ? 'Native' : 'HTML'
-  nativeTextSupport = labelType == 'Native'
-  useGradients = nativeCanvasSupport
-  animate = !(iStuff || !nativeCanvasSupport)
-})()