diff --git a/externs/olx.js b/externs/olx.js
index 4bc33d3092..da2f7a76fc 100644
--- a/externs/olx.js
+++ b/externs/olx.js
@@ -5,47 +5,6 @@
 let olx;
 
 
-/**
- * @typedef {{extractStyles: (boolean|undefined),
- *     defaultStyle: (Array.<ol.style.Style>|undefined),
- *     showPointNames: (boolean|undefined),
- *     writeStyles: (boolean|undefined)}}
- */
-olx.format.KMLOptions;
-
-
-/**
- * Extract styles from the KML. Default is `true`.
- * @type {boolean|undefined}
- * @api
- */
-olx.format.KMLOptions.prototype.extractStyles;
-
-
-/**
- * Show names as labels for placemarks which contain points. Default is `true`.
- * @type {boolean|undefined}
- * @api
- */
-olx.format.KMLOptions.prototype.showPointNames;
-
-
-/**
- * Default style. The default default style is the same as Google Earth.
- * @type {Array.<ol.style.Style>|undefined}
- * @api
- */
-olx.format.KMLOptions.prototype.defaultStyle;
-
-
-/**
- * Write styles into KML. Default is `true`.
- * @type {boolean|undefined}
- * @api
- */
-olx.format.KMLOptions.prototype.writeStyles;
-
-
 /**
  * @typedef {{featureNS: (Object.<string, string>|string|undefined),
  *     featureType: (Array.<string>|string|undefined),
diff --git a/externs/xol.js b/externs/xol.js
index 9806e8f51f..34e5387d4e 100644
--- a/externs/xol.js
+++ b/externs/xol.js
@@ -1,13 +1,4 @@
 
-/**
- * @typedef {Object} format_KMLOptions
- * @property {boolean|undefined} extractStyles Extract styles from the KML. Default is `true`.
- * @property {boolean|undefined} showPointNames Show names as labels for placemarks which contain points. Default is `true`.
- * @property {Array.<ol.style.Style>|undefined} defaultStyle Default style. The default default style is the same as Google Earth.
- * @property {boolean|undefined} writeStyles Write styles into KML. Default is `true`.
- */
-
-
 /**
  * @typedef {Object} format_GMLOptions
  * @property {Object.<string, string>|string|undefined} featureNS Feature namespace. If not defined will be derived from GML. If multiple
diff --git a/src/ol/format/KML.js b/src/ol/format/KML.js
index 05672657fb..bd06287317 100644
--- a/src/ol/format/KML.js
+++ b/src/ol/format/KML.js
@@ -227,6 +227,19 @@ function createStyleDefaults() {
 
 }
 
+
+/**
+ * @typedef {Object} Options
+ * @property {boolean|undefined} extractStyles Extract styles from the KML.
+ * Default is `true`.
+ * @property {boolean|undefined} showPointNames Show names as labels for placemarks
+ * which contain points. Default is `true`.
+ * @property {Array.<ol.style.Style>|undefined} defaultStyle Default style. The
+ * default default style is the same as Google Earth.
+ * @property {boolean|undefined} writeStyles Write styles into KML. Default is `true`.
+ */
+
+
 /**
  * @classdesc
  * Feature format for reading and writing data in the KML format.
@@ -236,7 +249,7 @@ function createStyleDefaults() {
  *
  * @constructor
  * @extends {ol.format.XMLFeature}
- * @param {olx.format.KMLOptions=} opt_options Options.
+ * @param {module:ol/format/KML~Options=} opt_options Options.
  * @api
  */
 const KML = function(opt_options) {