diff --git a/src/ol.export.js b/src/ol.export.js
index d31391abba..20098968d9 100644
--- a/src/ol.export.js
+++ b/src/ol.export.js
@@ -40,6 +40,14 @@ goog.exportProperty( ol.Bounds.prototype, 'minY', ol.Bounds.prototype.minY );
 goog.exportProperty( ol.Bounds.prototype, 'maxX', ol.Bounds.prototype.maxX );
 goog.exportProperty( ol.Bounds.prototype, 'maxY', ol.Bounds.prototype.maxY );
 
+// ol.layer.xyz
+goog.exportSymbol('ol.layer.xyz', ol.layer.xyz);
+goog.exportSymbol('ol.layer.XYZ', ol.layer.XYZ);
+
+// ol.layer.osm
+goog.exportSymbol('ol.layer.osm', ol.layer.osm);
+goog.exportSymbol('ol.layer.OSM', ol.layer.OSM);
+
 // ol.feature
 goog.exportSymbol('ol.feature', ol.feature);
 goog.exportSymbol('ol.Feature', ol.Feature);
@@ -70,4 +78,4 @@ goog.exportProperty(ol.geom.Point.prototype, 'projection', ol.geom.Point.prototy
 
 // LOOKUP FOR DYNMICALLY REGISTERED CONTROLS DOES NOT RUN WELL NOW IN THE ADVANCED MODE
 // HACK TO PUSH COMPILER TO NOT STRIP THE NAVIGATION CONTROL. TO BE FIXED.
-ol.control.addControl('navigation', ol.control.Navigation);
\ No newline at end of file
+ol.control.addControl('navigation', ol.control.Navigation);