diff --git a/src/objectliterals.jsdoc b/src/objectliterals.jsdoc
index d941a65ff5..613e1a51e9 100644
--- a/src/objectliterals.jsdoc
+++ b/src/objectliterals.jsdoc
@@ -530,14 +530,6 @@
  * @property {string|undefined} url WMS service URL.
  */
 
-/**
- * @typedef {Object} ol.source.SourceOptions
- * @property {Array.<ol.Attribution>|undefined} attributions Attributions.
- * @property {ol.Extent|undefined} extent Extent.
- * @property {string|undefined} logo Logo.
- * @property {ol.proj.ProjectionLike} projection Projection.
- */
-
 /**
  * @typedef {Object} ol.source.StamenOptions
  * @property {string} layer Layer.
diff --git a/src/ol/source/source.js b/src/ol/source/source.js
index 2f1f0db681..b7d2d0206b 100644
--- a/src/ol/source/source.js
+++ b/src/ol/source/source.js
@@ -8,6 +8,15 @@ goog.require('ol.Extent');
 goog.require('ol.proj');
 
 
+/**
+ * @typedef {{attributions: (Array.<ol.Attribution>|undefined),
+ *            extent: (ol.Extent|undefined),
+ *            logo: (string|undefined),
+ *            projection: ol.proj.ProjectionLike}}
+ */
+ol.source.SourceOptions;
+
+
 
 /**
  * @constructor