diff --git a/externs/olx.js b/externs/olx.js
index 0ace491a77..72f1cb37de 100644
--- a/externs/olx.js
+++ b/externs/olx.js
@@ -5,48 +5,6 @@
 let olx;
 
 
-/**
- * @typedef {{featureNS: (Object.<string, string>|string|undefined),
- *     featureType: (Array.<string>|string|undefined),
- *     gmlFormat: (ol.format.GMLBase|undefined),
- *     schemaLocation: (string|undefined)}}
- */
-olx.format.WFSOptions;
-
-
-/**
- * The namespace URI used for features.
- * @type {Object.<string, string>|string|undefined}
- * @api
- */
-olx.format.WFSOptions.prototype.featureNS;
-
-
-/**
- * The feature type to parse. Only used for read operations.
- * @type {Array.<string>|string|undefined}
- * @api
- */
-olx.format.WFSOptions.prototype.featureType;
-
-
-/**
- * The GML format to use to parse the response. Default is `ol.format.GML3`.
- * @type {ol.format.GMLBase|undefined}
- * @api
- */
-olx.format.WFSOptions.prototype.gmlFormat;
-
-
-/**
- * Optional schemaLocation to use for serialization, this will override the
- * default.
- * @type {string|undefined}
- * @api
- */
-olx.format.WFSOptions.prototype.schemaLocation;
-
-
 /**
  * @typedef {{featureNS: string,
  *     featurePrefix: string,
diff --git a/externs/xol.js b/externs/xol.js
index b93b7f3e60..cd9202a500 100644
--- a/externs/xol.js
+++ b/externs/xol.js
@@ -1,14 +1,4 @@
 
-/**
- * @typedef {Object} format_WFSOptions
- * @property {Object.<string, string>|string|undefined} featureNS The namespace URI used for features.
- * @property {Array.<string>|string|undefined} featureType The feature type to parse. Only used for read operations.
- * @property {ol.format.GMLBase|undefined} gmlFormat The GML format to use to parse the response. Default is `ol.format.GML3`.
- * @property {string|undefined} schemaLocation Optional schemaLocation to use for serialization, this will override the
- * default.
- */
-
-
 /**
  * @typedef {Object} format_WFSWriteGetFeatureOptions
  * @property {string} featureNS The namespace URI used for features.
diff --git a/src/ol/format/WFS.js b/src/ol/format/WFS.js
index 6b8772bcfd..9cc0a36d11 100644
--- a/src/ol/format/WFS.js
+++ b/src/ol/format/WFS.js
@@ -17,6 +17,19 @@ import {createElementNS, isDocument, isNode, makeArrayPusher, makeChildAppender,
   pushParseAndPop, pushSerializeAndPop, setAttributeNS} from '../xml.js';
 
 
+/**
+ * @typedef {Object} Options
+ * @property {Object.<string, string>|string|undefined} featureNS The namespace
+ * URI used for features.
+ * @property {Array.<string>|string|undefined} featureType The feature type to parse.
+ * Only used for read operations.
+ * @property {ol.format.GMLBase|undefined} gmlFormat The GML format to use to parse
+ * the response. Default is `ol.format.GML3`.
+ * @property {string|undefined} schemaLocation Optional schemaLocation to use for
+ * serialization, this will override the default.
+ */
+
+
 /**
  * @type {string}
  */
@@ -71,8 +84,7 @@ const DEFAULT_VERSION = '1.1.0';
  * Also see {@link ol.format.GMLBase} which is used by this format.
  *
  * @constructor
- * @param {olx.format.WFSOptions=} opt_options
- *     Optional configuration object.
+ * @param {module:ol/format/WFS~Options=} opt_options Optional configuration object.
  * @extends {ol.format.XMLFeature}
  * @api
  */