diff --git a/src/ol/proj/epsg3857.js b/src/ol/proj/epsg3857.js
index 85f4b7a11c..7d0dbd119e 100644
--- a/src/ol/proj/epsg3857.js
+++ b/src/ol/proj/epsg3857.js
@@ -75,7 +75,6 @@ ol.proj.EPSG3857.PROJECTIONS = [
   new ol.proj.EPSG3857.Projection_('EPSG:102113'),
   new ol.proj.EPSG3857.Projection_('EPSG:900913'),
   new ol.proj.EPSG3857.Projection_('urn:ogc:def:crs:EPSG:6.18:3:3857'),
-  new ol.proj.EPSG3857.Projection_('urn:ogc:def:crs:EPSG:3857'),
   new ol.proj.EPSG3857.Projection_('urn:ogc:def:crs:EPSG::3857'),
   new ol.proj.EPSG3857.Projection_('http://www.opengis.net/gml/srs/epsg.xml#3857')
 ];