diff --git a/examples/static-image.js b/examples/static-image.js
index 919c403c9f..9697a74785 100644
--- a/examples/static-image.js
+++ b/examples/static-image.js
@@ -4,7 +4,6 @@ goog.require('ol.View2D');
 goog.require('ol.extent');
 goog.require('ol.layer.Image');
 goog.require('ol.proj.Projection');
-goog.require('ol.proj.Units');
 goog.require('ol.source.ImageStatic');
 
 
@@ -13,7 +12,7 @@ goog.require('ol.source.ImageStatic');
 // map can use to properly display the layer.
 var pixelProjection = new ol.proj.Projection({
   code: 'pixel',
-  units: ol.proj.Units.PIXELS,
+  units: 'pixels',
   extent: [0, 0, 1024, 968]
 });
 
diff --git a/examples/wms-no-proj.js b/examples/wms-no-proj.js
index ee42a3be65..6ec230650b 100644
--- a/examples/wms-no-proj.js
+++ b/examples/wms-no-proj.js
@@ -5,7 +5,6 @@ goog.require('ol.View2D');
 goog.require('ol.layer.Image');
 goog.require('ol.layer.Tile');
 goog.require('ol.proj.Projection');
-goog.require('ol.proj.Units');
 goog.require('ol.source.ImageWMS');
 goog.require('ol.source.TileWMS');
 
@@ -48,7 +47,7 @@ var layers = [
 // projection object.
 var projection = new ol.proj.Projection({
   code: 'EPSG:21781',
-  units: ol.proj.Units.METERS
+  units: 'm'
 });
 
 var map = new ol.Map({
diff --git a/examples/zoomify.js b/examples/zoomify.js
index 112c4f506b..cd0136c531 100644
--- a/examples/zoomify.js
+++ b/examples/zoomify.js
@@ -4,7 +4,6 @@ goog.require('ol.View2D');
 goog.require('ol.layer.Tile');
 goog.require('ol.proj');
 goog.require('ol.proj.Projection');
-goog.require('ol.proj.Units');
 goog.require('ol.source.Zoomify');
 
 // This server does not support CORS, and so is incompatible with WebGL.
@@ -26,7 +25,7 @@ var imgCenter = [imgWidth / 2, - imgHeight / 2];
 // can use to properly display the layer.
 var proj = new ol.proj.Projection({
   code: 'ZOOMIFY',
-  units: ol.proj.Units.PIXELS,
+  units: 'pixels',
   extent: [0, 0, imgWidth, imgHeight]
 });