diff --git a/src/ol/source/Tile.js b/src/ol/source/Tile.js
index 7ff1d5e020..8d0ad4b727 100644
--- a/src/ol/source/Tile.js
+++ b/src/ol/source/Tile.js
@@ -36,7 +36,7 @@ import {wrapX, getForProjection as getTileGridForProjection} from '../tilegrid.j
  * @constructor
  * @abstract
  * @extends {ol.source.Source}
- * @param {module:ol/source/SourceTile~Options} options SourceTile source options.
+ * @param {module:ol/source/SourceTile~Options=} options SourceTile source options.
  * @api
  */
 const TileSource = function(options) {
diff --git a/src/ol/source/UrlTile.js b/src/ol/source/UrlTile.js
index 7c43c8bc91..bac594efaa 100644
--- a/src/ol/source/UrlTile.js
+++ b/src/ol/source/UrlTile.js
@@ -8,6 +8,25 @@ import TileSource, {TileSourceEvent} from '../source/Tile.js';
 import TileEventType from '../source/TileEventType.js';
 import {getKeyZXY} from '../tilecoord.js';
 
+/**
+ * @typedef {Object} Options
+ * @property {ol.AttributionLike} [attributions]
+ * @property {number} [cacheSize]
+ * @property {module:ol/extent~Extent} [extent]
+ * @property {boolean} [opaque]
+ * @property {module:ol/proj~ProjectionLike} [projection]
+ * @property {ol.source.State} [state]
+ * @property {ol.tilegrid.TileGrid} [tileGrid]
+ * @property {module:ol/Tile~LoadFunction} tileLoadFunction
+ * @property {number} [tilePixelRatio]
+ * @property {module:ol/Tile~UrlFunction} [tileUrlFunction]
+ * @property {string} [url]
+ * @property {Array.<string>} [urls]
+ * @property {boolean} [wrapX=true]
+ * @property {number} [transition]
+ */
+
+
 /**
  * @classdesc
  * Base class for sources providing tiles divided into a tile grid over http.
@@ -16,7 +35,7 @@ import {getKeyZXY} from '../tilecoord.js';
  * @abstract
  * @fires ol.source.Tile.Event
  * @extends {ol.source.Tile}
- * @param {ol.SourceUrlTileOptions} options Image tile options.
+ * @param {module:ol/source/UrlTile~Options=} options Image tile options.
  */
 const UrlTile = function(options) {
 
diff --git a/src/ol/typedefs.js b/src/ol/typedefs.js
index d6f6300365..9ae0b8405e 100644
--- a/src/ol/typedefs.js
+++ b/src/ol/typedefs.js
@@ -217,25 +217,6 @@ ol.ReprojTriangle;
 ol.SourceRasterRenderedState;
 
 
-/**
- * @typedef {{attributions: (ol.AttributionLike|undefined),
- *            cacheSize: (number|undefined),
- *            extent: (module:ol/extent~Extent|undefined),
- *            opaque: (boolean|undefined),
- *            projection: module:ol/proj~ProjectionLike,
- *            state: (ol.source.State|undefined),
- *            tileGrid: (ol.tilegrid.TileGrid|undefined),
- *            tileLoadFunction: module:ol/Tile~LoadFunction,
- *            tilePixelRatio: (number|undefined),
- *            tileUrlFunction: (module:ol/Tile~UrlFunction|undefined),
- *            url: (string|undefined),
- *            urls: (Array.<string>|undefined),
- *            wrapX: (boolean|undefined),
- *            transition: (number|undefined)}}
- */
-ol.SourceUrlTileOptions;
-
-
 /**
  * A function that takes an {@link module:ol/Feature~Feature} as argument and returns an
  * {@link module:ol/geom/Geometry~Geometry} that will be rendered and styled for the feature.