diff --git a/externs/olx.js b/externs/olx.js
index 4a14b6cc79..8528a194f0 100644
--- a/externs/olx.js
+++ b/externs/olx.js
@@ -3950,7 +3950,12 @@ olx.source.BingMapsOptions.prototype.reprojectionErrorThreshold;
 
 
 /**
- * Optional function to load a tile given a URL.
+ * Optional function to load a tile given a URL. The default is
+ * ```js
+ * function(imageTile, src) {
+ *   imageTile.getImage().src = src;
+ * };
+ * ```
  * @type {ol.TileLoadFunctionType|undefined}
  * @api
  */
@@ -4174,7 +4179,12 @@ olx.source.TileImageOptions.prototype.tileGrid;
 
 
 /**
- * Optional function to load a tile given a URL.
+ * Optional function to load a tile given a URL. The default is
+ * ```js
+ * function(imageTile, src) {
+ *   imageTile.getImage().src = src;
+ * };
+ * ```
  * @type {ol.TileLoadFunctionType|undefined}
  * @api
  */
@@ -4319,7 +4329,13 @@ olx.source.VectorTileOptions.prototype.tileGrid;
 
 
 /**
- * Optional function to load a tile given a URL.
+ * Optional function to load a tile given a URL. The default is
+ * ```js
+ * function(tile, url) {
+ *   tile.setLoader(
+ *       ol.featureloader.tile(url, tile.getFormat()));
+ * };
+ * ```
  * @type {ol.TileLoadFunctionType|undefined}
  * @api
  */
@@ -4500,7 +4516,12 @@ olx.source.MapQuestOptions.prototype.reprojectionErrorThreshold;
 
 
 /**
- * Optional function to load a tile given a URL.
+ * Optional function to load a tile given a URL. The default is
+ * ```js
+ * function(imageTile, src) {
+ *   imageTile.getImage().src = src;
+ * };
+ * ```
  * @type {ol.TileLoadFunctionType|undefined}
  * @api
  */
@@ -4601,7 +4622,12 @@ olx.source.OSMOptions.prototype.reprojectionErrorThreshold;
 
 
 /**
- * Optional function to load a tile given a URL.
+ * Optional function to load a tile given a URL. The default is
+ * ```js
+ * function(imageTile, src) {
+ *   imageTile.getImage().src = src;
+ * };
+ * ```
  * @type {ol.TileLoadFunctionType|undefined}
  * @api
  */
@@ -5006,7 +5032,12 @@ olx.source.StamenOptions.prototype.reprojectionErrorThreshold;
 
 
 /**
- * Optional function to load a tile given a URL.
+ * Optional function to load a tile given a URL. The default is
+ * ```js
+ * function(imageTile, src) {
+ *   imageTile.getImage().src = src;
+ * };
+ * ```
  * @type {ol.TileLoadFunctionType|undefined}
  * @api
  */
@@ -5194,7 +5225,12 @@ olx.source.TileArcGISRestOptions.prototype.reprojectionErrorThreshold;
 
 
 /**
- * Optional function to load a tile given a URL.
+ * Optional function to load a tile given a URL. The default is
+ * ```js
+ * function(imageTile, src) {
+ *   imageTile.getImage().src = src;
+ * };
+ * ```
  * @type {ol.TileLoadFunctionType|undefined}
  * @api
  */
@@ -5281,7 +5317,12 @@ olx.source.TileJSONOptions.prototype.reprojectionErrorThreshold;
 
 
 /**
- * Optional function to load a tile given a URL.
+ * Optional function to load a tile given a URL. The default is
+ * ```js
+ * function(imageTile, src) {
+ *   imageTile.getImage().src = src;
+ * };
+ * ```
  * @type {ol.TileLoadFunctionType|undefined}
  * @api
  */
@@ -5434,7 +5475,12 @@ olx.source.TileWMSOptions.prototype.serverType;
 
 
 /**
- * Optional function to load a tile given a URL.
+ * Optional function to load a tile given a URL. The default is
+ * ```js
+ * function(imageTile, src) {
+ *   imageTile.getImage().src = src;
+ * };
+ * ```
  * @type {ol.TileLoadFunctionType|undefined}
  * @api
  */
@@ -5768,7 +5814,12 @@ olx.source.WMTSOptions.prototype.maxZoom;
 
 
 /**
- * Optional function to load a tile given a URL.
+ * Optional function to load a tile given a URL. The default is
+ * ```js
+ * function(imageTile, src) {
+ *   imageTile.getImage().src = src;
+ * };
+ * ```
  * @type {ol.TileLoadFunctionType|undefined}
  * @api
  */
@@ -5882,7 +5933,12 @@ olx.source.XYZOptions.prototype.tileGrid;
 
 
 /**
- * Optional function to load a tile given a URL.
+ * Optional function to load a tile given a URL. The default is
+ * ```js
+ * function(imageTile, src) {
+ *   imageTile.getImage().src = src;
+ * };
+ * ```
  * @type {ol.TileLoadFunctionType|undefined}
  * @api
  */
diff --git a/src/ol/tileloadfunction.js b/src/ol/tileloadfunction.js
index 37f3e0d8f5..0a476ae6b3 100644
--- a/src/ol/tileloadfunction.js
+++ b/src/ol/tileloadfunction.js
@@ -1,22 +1,11 @@
 goog.provide('ol.TileLoadFunctionType');
-goog.provide('ol.TileVectorLoadFunctionType');
 
 
 /**
- * A function that takes an {@link ol.Tile} for the tile and a
- * `{string}` for the url as arguments.
+ * A function that takes an {@link ol.Tile} for the tile and a `{string}` for
+ * the url as arguments.
  *
  * @typedef {function(ol.Tile, string)}
  * @api
  */
 ol.TileLoadFunctionType;
-
-
-/**
- * A function that is called with a tile url for the features to load and
- * a callback that takes the loaded features as argument.
- *
- * @typedef {function(string, function(Array.<ol.Feature>))}
- * @api
- */
-ol.TileVectorLoadFunctionType;