diff --git a/src/ol/source/Cluster.js b/src/ol/source/Cluster.js
index 0e00c6f72d..fe39e27028 100644
--- a/src/ol/source/Cluster.js
+++ b/src/ol/source/Cluster.js
@@ -17,7 +17,6 @@ import VectorSource from '../source/Vector.js';
  * @property {module:ol/source/Source~AttributionLike} [attributions] Attributions.
  * @property {number} [distance=20] Minimum distance in pixels between clusters.
  * @property {module:ol/extent~Extent} [extent] Extent.
- * @property {ol.format.Feature} [format] Format.
  * @property {function(module:ol/Feature~Feature):module:ol/geom/Point~Point} [geometryFunction]
  * Function that takes an {@link module:ol/Feature~Feature} as argument and returns an
  * {@link module:ol/geom/Point~Point} as cluster calculation point for the feature. When a