diff --git a/externs/olx.js b/externs/olx.js
index b65465bfc2..ca39637278 100644
--- a/externs/olx.js
+++ b/externs/olx.js
@@ -5,20 +5,6 @@
 let olx;
 
 
-/**
- * @typedef {{geometryName: (string|undefined)}}
- */
-olx.format.EsriJSONOptions;
-
-
-/**
- * Geometry name to use when creating features.
- * @type {string|undefined}
- * @api
- */
-olx.format.EsriJSONOptions.prototype.geometryName;
-
-
 /**
  * @typedef {{featureClass: (function((ol.geom.Geometry|Object.<string, *>)=)|
  *         function(ol.geom.GeometryType,Array.<number>,
diff --git a/externs/xol.js b/externs/xol.js
index b37b8c250f..d1441918fc 100644
--- a/externs/xol.js
+++ b/externs/xol.js
@@ -1,11 +1,4 @@
 
-
-/**
- * @typedef {Object} format_EsriJSONOptions
- * @property {string|undefined} geometryName Geometry name to use when creating features.
- */
-
-
 /**
  * @typedef {Object} format_MVTOptions
  * @property {undefined|function((ol.geom.Geometry|Object.<string,*>)=)|    function(ol.geom.GeometryType,Array.<number>,
diff --git a/src/ol/format/EsriJSON.js b/src/ol/format/EsriJSON.js
index 004c471f7f..5ad0bab99e 100644
--- a/src/ol/format/EsriJSON.js
+++ b/src/ol/format/EsriJSON.js
@@ -48,13 +48,19 @@ GEOMETRY_WRITERS[GeometryType.MULTI_LINE_STRING] = writeMultiLineStringGeometry;
 GEOMETRY_WRITERS[GeometryType.MULTI_POLYGON] = writeMultiPolygonGeometry;
 
 
+/**
+ * @typedef {Object} Options
+ * @property {string|undefined} geometryName Geometry name to use when creating features.
+ */
+
+
 /**
  * @classdesc
  * Feature format for reading and writing data in the EsriJSON format.
  *
  * @constructor
  * @extends {ol.format.JSONFeature}
- * @param {olx.format.EsriJSONOptions=} opt_options Options.
+ * @param {module:ol/format/EsriJSON~Options=} opt_options Options.
  * @api
  */
 const EsriJSON = function(opt_options) {