diff --git a/externs/olx.js b/externs/olx.js
index dde9aa5af8..631df3239d 100644
--- a/externs/olx.js
+++ b/externs/olx.js
@@ -12,90 +12,6 @@ let olx;
 olx.control;
 
 
-/**
- * @typedef {{className: (string|undefined),
- *     collapsible: (boolean|undefined),
- *     collapsed: (boolean|undefined),
- *     tipLabel: (string|undefined),
- *     label: (string|Element|undefined),
- *     collapseLabel: (string|Element|undefined),
- *     render: (function(ol.MapEvent)|undefined),
- *     target: (Element|string|undefined)}}
- */
-olx.control.AttributionOptions;
-
-
-/**
- * CSS class name. Default is `ol-attribution`.
- * @type {string|undefined}
- * @api
- */
-olx.control.AttributionOptions.prototype.className;
-
-
-/**
- * Specify a target if you want the control to be rendered outside of the map's
- * viewport.
- * @type {Element|string|undefined}
- * @api
- */
-olx.control.AttributionOptions.prototype.target;
-
-
-/**
- * Specify if attributions can be collapsed. If you use an OSM source,
- * should be set to `false` — see
- * {@link https://www.openstreetmap.org/copyright OSM Copyright} —
- * Default is `true`.
- * @type {boolean|undefined}
- * @api
- */
-olx.control.AttributionOptions.prototype.collapsible;
-
-
-/**
- * Specify if attributions should be collapsed at startup. Default is `true`.
- * @type {boolean|undefined}
- * @api
- */
-olx.control.AttributionOptions.prototype.collapsed;
-
-
-/**
- * Text label to use for the button tip. Default is `Attributions`
- * @type {string|undefined}
- * @api
- */
-olx.control.AttributionOptions.prototype.tipLabel;
-
-
-/**
- * Text label to use for the collapsed attributions button. Default is `i`.
- * Instead of text, also an element (e.g. a `span` element) can be used.
- * @type {string|Element|undefined}
- * @api
- */
-olx.control.AttributionOptions.prototype.label;
-
-
-/**
- * Text label to use for the expanded attributions button. Default is `»`.
- * Instead of text, also an element (e.g. a `span` element) can be used.
- * @type {string|Element|undefined}
- * @api
- */
-olx.control.AttributionOptions.prototype.collapseLabel;
-
-
-/**
- * Function called when the control should be re-rendered. This is called
- * in a requestAnimationFrame callback.
- * @type {function(ol.MapEvent)|undefined}
- * @api
- */
-olx.control.AttributionOptions.prototype.render;
-
-
 /**
  * @typedef {{element: (Element|undefined),
  *     render: (function(ol.MapEvent)|undefined),
diff --git a/externs/xol.js b/externs/xol.js
index 4a26edba5d..0a3b26c149 100644
--- a/externs/xol.js
+++ b/externs/xol.js
@@ -1,24 +1,4 @@
 
-/**
- * @typedef {Object} control_AttributionOptions
- * @property {string|undefined} className CSS class name. Default is `ol-attribution`.
- * @property {Element|string|undefined} target Specify a target if you want the control to be rendered outside of the map's
- * viewport.
- * @property {boolean|undefined} collapsible Specify if attributions can be collapsed. If you use an OSM source,
- * should be set to `false` — see
- * {@link https://www.openstreetmap.org/copyright OSM Copyright} —
- * Default is `true`.
- * @property {boolean|undefined} collapsed Specify if attributions should be collapsed at startup. Default is `true`.
- * @property {string|undefined} tipLabel Text label to use for the button tip. Default is `Attributions`
- * @property {string|Element|undefined} label Text label to use for the collapsed attributions button. Default is `i`.
- * Instead of text, also an element (e.g. a `span` element) can be used.
- * @property {string|Element|undefined} collapseLabel Text label to use for the expanded attributions button. Default is `»`.
- * Instead of text, also an element (e.g. a `span` element) can be used.
- * @property {function(ol.MapEvent)|undefined} render Function called when the control should be re-rendered. This is called
- * in a requestAnimationFrame callback.
- */
-
-
 /**
  * @typedef {Object} control_ControlOptions
  * @property {Element|undefined} element The element is the control's container element. This only needs to be
diff --git a/src/ol/control/Attribution.js b/src/ol/control/Attribution.js
index 6224c417fe..27aed85ccd 100644
--- a/src/ol/control/Attribution.js
+++ b/src/ol/control/Attribution.js
@@ -10,6 +10,34 @@ import {listen} from '../events.js';
 import EventType from '../events/EventType.js';
 import {visibleAtResolution} from '../layer/Layer.js';
 
+
+/**
+ * @typedef {Object} Options
+ * @property {string|undefined} className CSS class name. Default is
+ * `'ol-attribution'`.
+ * @property {Element|string|undefined} target Specify a target if you
+ * want the control to be rendered outside of the map's
+ * viewport.
+ * @property {boolean|undefined} collapsible Specify if attributions can
+ * be collapsed. If you use an OSM source, should be set to `false` — see
+ * {@link https://www.openstreetmap.org/copyright OSM Copyright} —
+ * Default is `true`.
+ * @property {boolean|undefined} collapsed Specify if attributions should
+ * be collapsed at startup. Default is `true`.
+ * @property {string|undefined} tipLabel Text label to use for the button
+ * tip. Default is `'Attributions'`
+ * @property {string|Element|undefined} label Text label to use for the
+ * collapsed attributions button. Default is `'i'`.
+ * Instead of text, also an element (e.g. a `span` element) can be used.
+ * @property {string|Element|undefined} collapseLabel Text label to use
+ * for the expanded attributions button. Default is `'»'`.
+ * Instead of text, also an element (e.g. a `span` element) can be used.
+ * @property {function(ol.MapEvent)|undefined} render Function called when
+ * the control should be re-rendered. This is called in a `requestAnimationFrame`
+ * callback.
+ */
+
+
 /**
  * @classdesc
  * Control to show all the attributions associated with the layer sources
@@ -19,7 +47,7 @@ import {visibleAtResolution} from '../layer/Layer.js';
  *
  * @constructor
  * @extends {ol.control.Control}
- * @param {olx.control.AttributionOptions=} opt_options Attribution options.
+ * @param {module:ol/control/Attribution~Options=} opt_options Attribution options.
  * @api
  */
 const Attribution = function(opt_options) {