diff --git a/externs/olx.js b/externs/olx.js
index af0e9e79af..9230a9226d 100644
--- a/externs/olx.js
+++ b/externs/olx.js
@@ -49,122 +49,6 @@ olx.render.State.prototype.resolution;
 olx.render.State.prototype.rotation;
 
 
-/**
- * Specify radius for regular polygons, or radius1 and radius2 for stars.
- * @typedef {{fill: (module:ol/style/Fill~Fill|undefined),
- *     points: number,
- *     radius: (number|undefined),
- *     radius1: (number|undefined),
- *     radius2: (number|undefined),
- *     angle: (number|undefined),
- *     snapToPixel: (boolean|undefined),
- *     stroke: (module:ol/style/Stroke~Stroke|undefined),
- *     rotation: (number|undefined),
- *     rotateWithView: (boolean|undefined),
- *     atlasManager: (module:ol/style/AtlasManager~AtlasManager|undefined)}}
- */
-olx.style.RegularShapeOptions;
-
-
-/**
- * Fill style.
- * @type {module:ol/style/Fill~Fill|undefined}
- * @api
- */
-olx.style.RegularShapeOptions.prototype.fill;
-
-
-/**
- * Number of points for stars and regular polygons. In case of a polygon, the
- * number of points is the number of sides.
- * @type {number}
- * @api
- */
-olx.style.RegularShapeOptions.prototype.points;
-
-
-/**
- * Radius of a regular polygon.
- * @type {number|undefined}
- * @api
- */
-olx.style.RegularShapeOptions.prototype.radius;
-
-
-/**
- * Outer radius of a star.
- * @type {number|undefined}
- * @api
- */
-olx.style.RegularShapeOptions.prototype.radius1;
-
-
-/**
- * Inner radius of a star.
- * @type {number|undefined}
- * @api
- */
-olx.style.RegularShapeOptions.prototype.radius2;
-
-
-/**
- * Shape's angle in radians. A value of 0 will have one of the shape's point
- * facing up.
- * Default value is 0.
- * @type {number|undefined}
- * @api
- */
-olx.style.RegularShapeOptions.prototype.angle;
-
-
-/**
- * If `true` integral numbers of pixels are used as the X and Y pixel
- * coordinate when drawing the shape in the output canvas. If `false`
- * fractional numbers may be used. Using `true` allows for "sharp"
- * rendering (no blur), while using `false` allows for "accurate"
- * rendering. Note that accuracy is important if the shape's
- * position is animated. Without it, the shape may jitter noticeably.
- * Default value is `true`.
- * @type {boolean|undefined}
- * @api
- */
-olx.style.RegularShapeOptions.prototype.snapToPixel;
-
-
-/**
- * Stroke style.
- * @type {module:ol/style/Stroke~Stroke|undefined}
- * @api
- */
-olx.style.RegularShapeOptions.prototype.stroke;
-
-
-/**
- * Rotation in radians (positive rotation clockwise). Default is `0`.
- * @type {number|undefined}
- * @api
- */
-olx.style.RegularShapeOptions.prototype.rotation;
-
-
-/**
- * Whether to rotate the shape with the view. Default is `false`.
- * @type {boolean|undefined}
- * @api
- */
-olx.style.RegularShapeOptions.prototype.rotateWithView;
-
-
-/**
- * The atlas manager to use for this symbol. When using WebGL it is
- * recommended to use an atlas manager to avoid texture switching.
- * If an atlas manager is given, the symbol is added to an atlas.
- * By default no atlas manager is used.
- * @type {module:ol/style/AtlasManager~AtlasManager|undefined}
- */
-olx.style.RegularShapeOptions.prototype.atlasManager;
-
-
 /**
  * @typedef {{font: (string|undefined),
  *     maxAngle: (number|undefined),
diff --git a/src/ol/style/RegularShape.js b/src/ol/style/RegularShape.js
index 33e9626597..f15784f29c 100644
--- a/src/ol/style/RegularShape.js
+++ b/src/ol/style/RegularShape.js
@@ -9,6 +9,30 @@ import ImageState from '../ImageState.js';
 import {defaultStrokeStyle, defaultFillStyle, defaultLineCap, defaultLineWidth, defaultLineJoin, defaultMiterLimit} from '../render/canvas.js';
 import ImageStyle from '../style/Image.js';
 
+
+/**
+ * Specify radius for regular polygons, or radius1 and radius2 for stars.
+ * @typedef {Object} Options
+ * @property {module:ol/style/Fill~Fill} [fill] Fill style.
+ * @property {number} points Number of points for stars and regular polygons. In case of a polygon, the number of points
+ * is the number of sides.
+ * @property {number} [radius] Radius of a regular polygon.
+ * @property {number} [radius1] Outer radius of a star.
+ * @property {number} [radius2] Inner radius of a star.
+ * @property {number} [angle=0] Shape's angle in radians. A value of 0 will have one of the shape's point facing up.
+ * @property {boolean} [snapToPixel=true] If `true` integral numbers of pixels are used as the X and Y pixel coordinate
+ * when drawing the shape in the output canvas. If `false` fractional numbers may be used. Using `true` allows for
+ * "sharp" rendering (no blur), while using `false` allows for "accurate" rendering. Note that accuracy is important if
+ * the shape's position is animated. Without it, the shape may jitter noticeably.
+ * @property {module:ol/style/Stroke~Stroke} [stroke] Stroke style.
+ * @property {number} [rotation=0] Rotation in radians (positive rotation clockwise).
+ * @property {boolean} [rotateWithView=false] Whether to rotate the shape with the view.
+ * @property {module:ol/style/AtlasManager~AtlasManager} [atlasManager] The atlas manager to use for this symbol. When
+ * using WebGL it is recommended to use an atlas manager to avoid texture switching. If an atlas manager is given, the
+ * symbol is added to an atlas. By default no atlas manager is used.
+ */
+
+
 /**
  * @classdesc
  * Set regular shape style for vector features. The resulting shape will be
@@ -16,7 +40,7 @@ import ImageStyle from '../style/Image.js';
  * `radius2` are provided.
  *
  * @constructor
- * @param {olx.style.RegularShapeOptions} options Options.
+ * @param {module:ol/style/RegularShape~Options} options Options.
  * @extends {module:ol/style/Image~ImageStyle}
  * @api
  */