diff --git a/src/objectliterals.exports b/src/objectliterals.exports
index 171672ef67..7e1f62a30d 100644
--- a/src/objectliterals.exports
+++ b/src/objectliterals.exports
@@ -51,6 +51,11 @@
 @exportObjectLiteralProperty ol.source.BingMapsOptions.key string
 @exportObjectLiteralProperty ol.source.BingMapsOptions.style ol.BingMapsStyle
 
+@exportObjectLiteral ol.source.DebugTileSourceOptions
+@exportObjectLiteralProperty ol.source.DebugTileSourceOptions.extent ol.Extent|undefined
+@exportObjectLiteralProperty ol.source.DebugTileSourceOptions.projection ol.Projection|undefined
+@exportObjectLiteralProperty ol.source.DebugTileSourceOptions.tileGrid ol.tilegrid.TileGrid|undefined
+
 @exportObjectLiteral ol.source.StamenOptions
 @exportObjectLiteralProperty ol.source.StamenOptions.flavor string|undefined
 @exportObjectLiteralProperty ol.source.StamenOptions.provider string
diff --git a/src/ol/source/debugtilesource.exports b/src/ol/source/debugtilesource.exports
new file mode 100644
index 0000000000..2c74b974f3
--- /dev/null
+++ b/src/ol/source/debugtilesource.exports
@@ -0,0 +1 @@
+@exportClass ol.source.DebugTileSource ol.source.DebugTileSourceOptions
diff --git a/src/ol/source/debugtilesource.js b/src/ol/source/debugtilesource.js
index cfe149bb20..452cf5085a 100644
--- a/src/ol/source/debugtilesource.js
+++ b/src/ol/source/debugtilesource.js
@@ -1,5 +1,4 @@
 goog.provide('ol.source.DebugTileSource');
-goog.provide('ol.source.DebugTileSourceOptions');
 
 goog.require('ol.Size');
 goog.require('ol.Tile');
@@ -79,14 +78,6 @@ ol.DebugTile_.prototype.getImage = function(opt_context) {
 };
 
 
-/**
- * @typedef {{extent: (ol.Extent|undefined),
- *            projection: (ol.Projection|undefined),
- *            tileGrid: (ol.tilegrid.TileGrid|undefined)}}
- */
-ol.source.DebugTileSourceOptions;
-
-
 
 /**
  * @constructor